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1   /**
2    * Copyright 2005-2014 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.kew.impl.document.search;
17  
18  import org.apache.commons.collections.CollectionUtils;
19  import org.apache.commons.lang.StringUtils;
20  import org.joda.time.DateTime;
21  import org.kuali.rice.core.api.CoreApiServiceLocator;
22  import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
23  import org.kuali.rice.core.api.uif.RemotableAttributeError;
24  import org.kuali.rice.core.api.uif.RemotableAttributeField;
25  import org.kuali.rice.core.api.util.RiceConstants;
26  import org.kuali.rice.core.framework.persistence.jdbc.sql.Criteria;
27  import org.kuali.rice.core.framework.persistence.jdbc.sql.SqlBuilder;
28  import org.kuali.rice.core.framework.persistence.platform.DatabasePlatform;
29  import org.kuali.rice.kew.api.KewApiConstants;
30  import org.kuali.rice.kew.api.KewApiServiceLocator;
31  import org.kuali.rice.kew.api.document.Document;
32  import org.kuali.rice.kew.api.document.DocumentStatus;
33  import org.kuali.rice.kew.api.document.DocumentStatusCategory;
34  import org.kuali.rice.kew.api.document.attribute.DocumentAttribute;
35  import org.kuali.rice.kew.api.document.attribute.DocumentAttributeFactory;
36  import org.kuali.rice.kew.api.document.search.DocumentSearchCriteria;
37  import org.kuali.rice.kew.api.document.search.DocumentSearchResult;
38  import org.kuali.rice.kew.api.document.search.DocumentSearchResults;
39  import org.kuali.rice.kew.api.document.search.RouteNodeLookupLogic;
40  import org.kuali.rice.kew.docsearch.DocumentSearchInternalUtils;
41  import org.kuali.rice.kew.docsearch.QueryComponent;
42  import org.kuali.rice.kew.docsearch.SearchableAttributeValue;
43  import org.kuali.rice.kew.doctype.bo.DocumentType;
44  import org.kuali.rice.kew.doctype.service.DocumentTypeService;
45  import org.kuali.rice.kew.engine.node.RouteNode;
46  import org.kuali.rice.kew.service.KEWServiceLocator;
47  import org.kuali.rice.kew.util.PerformanceLogger;
48  import org.kuali.rice.kim.api.identity.Person;
49  import org.kuali.rice.kim.api.identity.principal.PrincipalContract;
50  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
51  import org.kuali.rice.krad.util.KRADConstants;
52  import org.kuali.rice.krad.util.MessageMap;
53  
54  import java.sql.ResultSet;
55  import java.sql.SQLException;
56  import java.sql.Statement;
57  import java.sql.Timestamp;
58  import java.util.ArrayList;
59  import java.util.Collection;
60  import java.util.Collections;
61  import java.util.HashMap;
62  import java.util.HashSet;
63  import java.util.List;
64  import java.util.Map;
65  import java.util.Set;
66  import java.util.TreeSet;
67  
68  
69  /**
70   * Reference implementation of the {@code DocumentSearchGenerator}.
71   *
72   * @author Kuali Rice Team (rice.collab@kuali.org)
73   */
74  public class DocumentSearchGeneratorImpl implements DocumentSearchGenerator {
75  
76      private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(DocumentSearchGeneratorImpl.class);
77  
78      private static final String ROUTE_NODE_TABLE = "KREW_RTE_NODE_T";
79      private static final String ROUTE_NODE_INST_TABLE = "KREW_RTE_NODE_INSTN_T";
80      private static final String DATABASE_WILDCARD_CHARACTER_STRING = "%";
81      private static final char DATABASE_WILDCARD_CHARACTER = DATABASE_WILDCARD_CHARACTER_STRING.toCharArray()[0];
82  
83      private org.kuali.rice.kew.api.doctype.DocumentTypeService apiDocumentTypeService;
84  
85      private DatabasePlatform dbPlatform;
86      private MessageMap messageMap;
87  
88      private SqlBuilder sqlBuilder = null;
89  
90      @Override
91      public DocumentSearchCriteria clearSearch(DocumentSearchCriteria criteria) {
92          return DocumentSearchCriteria.Builder.create().build();
93      }
94  
95      public DocumentType getValidDocumentType(String documentTypeFullName) {
96          if (!org.apache.commons.lang.StringUtils.isEmpty(documentTypeFullName)) {
97              DocumentType documentType = KEWServiceLocator.getDocumentTypeService().findByNameCaseInsensitive(documentTypeFullName);
98              if (documentType == null) {
99                  throw new RuntimeException("No Valid Document Type Found for document type name '" + documentTypeFullName + "'");
100             }
101             return documentType;
102         }
103         return null;
104     }
105 
106     @Override
107     public List<RemotableAttributeError> validateSearchableAttributes(DocumentSearchCriteria.Builder criteria) {
108         List<RemotableAttributeError> errors = new ArrayList<RemotableAttributeError>();
109         DocumentType documentType = null;
110         try{
111               documentType = getValidDocumentType(criteria.getDocumentTypeName());
112         }catch(RuntimeException re){
113             errors.add(RemotableAttributeError.Builder.create("documentTypeName", re.getMessage()).build());
114         }
115 
116         if (documentType != null) {
117             errors = KEWServiceLocator.getDocumentSearchCustomizationMediator().validateLookupFieldParameters(documentType, criteria.build());
118         } else {
119             criteria.setDocumentAttributeValues(new HashMap<String, List<String>>());
120         }
121         return errors == null ? Collections.<RemotableAttributeError>emptyList() : Collections.unmodifiableList(errors);
122     }
123 
124     public QueryComponent getSearchableAttributeSql(Map<String, List<String>> documentAttributeValues, List<RemotableAttributeField> searchFields, String whereClausePredicatePrefix) {
125 
126         StringBuilder fromSql = new StringBuilder();
127         StringBuilder whereSql = new StringBuilder();
128 
129         //Map<String, List<SearchAttributeCriteriaComponent>> searchableAttributeRangeComponents = new HashMap<String,List<SearchAttributeCriteriaComponent>>();
130         Criteria finalCriteria = null;
131         int tableIndex = 1;
132         SqlBuilder sqlBuilder = this.getSqlBuilder();
133 
134         for (String documentAttributeName : documentAttributeValues.keySet()) {
135             String documentAttributeNameForSQL = documentAttributeName;
136             if (documentAttributeName.contains(KewApiConstants.DOCUMENT_ATTRIBUTE_FIELD_PREFIX)) {
137                 documentAttributeNameForSQL = documentAttributeName.replaceFirst(KewApiConstants.DOCUMENT_ATTRIBUTE_FIELD_PREFIX, "");
138             }
139             List<String> searchValues = documentAttributeValues.get(documentAttributeName);
140             if (CollectionUtils.isEmpty(searchValues) || documentAttributeName.contains(KRADConstants.CHECKBOX_PRESENT_ON_FORM_ANNOTATION)) {
141                 continue;
142             }
143 
144             String tableAlias = "EXT" + tableIndex;
145             RemotableAttributeField searchField = getSearchFieldByName(documentAttributeName, searchFields);
146             String tableName = DocumentSearchInternalUtils.getAttributeTableName(searchField);
147             boolean caseSensitive = DocumentSearchInternalUtils.isLookupCaseSensitive(searchField);
148 
149             Criteria crit = null;
150 
151             Class<?> dataTypeClass = DocumentSearchInternalUtils.getDataTypeClass(searchField);
152             if (searchValues.size() > 1) {
153                 // if there's more than one entry, we need to do an "in"
154                 crit = new Criteria(tableName, tableAlias);
155                 crit.setDbPlatform(sqlBuilder.getDbPlatform());
156                 crit.in("VAL", searchValues, dataTypeClass);
157             } else {
158                 crit = sqlBuilder.createCriteria("VAL", searchValues.get(0) , tableName, tableAlias, dataTypeClass, !caseSensitive);
159             }
160 
161             sqlBuilder.addCriteria("KEY_CD", documentAttributeNameForSQL, String.class, false, false, crit); // this is always of type string.
162             sqlBuilder.andCriteria("DOC_HDR_ID", tableAlias + ".DOC_HDR_ID", "KREW_DOC_HDR_T", "DOC_HDR", SqlBuilder.JoinType.class, false, false, crit);
163 
164             if (finalCriteria == null ){
165                 finalCriteria = crit;
166             } else{
167                 sqlBuilder.andCriteria(finalCriteria, crit);
168             }
169 
170             // - below is the old code
171             // if where clause is empty then use passed in prefix... otherwise generate one
172             String whereClausePrefix = (whereSql.length() == 0) ? whereClausePredicatePrefix : getGeneratedPredicatePrefix(whereSql.length());
173             QueryComponent qc = generateSearchableAttributeSql(tableName, documentAttributeNameForSQL, whereClausePrefix, tableIndex);
174             fromSql.append(qc.getFromSql());
175             tableIndex++;
176         }
177 
178         if (finalCriteria == null) {
179             return new QueryComponent("", "", "");
180         }
181 
182         String whereClausePrefix = (whereSql.length() == 0) ? whereClausePredicatePrefix : getGeneratedPredicatePrefix(whereSql.length());
183 
184         return new QueryComponent("", fromSql.toString(), whereClausePrefix + " " + finalCriteria.buildWhere());
185     }
186 
187     private RemotableAttributeField getSearchFieldByName(String fieldName, List<RemotableAttributeField> searchFields) {
188         for (RemotableAttributeField searchField : searchFields) {
189             if (searchField.getName().equals(fieldName)
190                     || searchField.getName().equals(KewApiConstants.DOCUMENT_ATTRIBUTE_FIELD_PREFIX + fieldName)) {
191                 return searchField;
192             }
193         }
194         throw new IllegalStateException("Failed to locate a RemotableAttributeField for fieldName=" + fieldName);
195     }
196 
197     public QueryComponent generateSearchableAttributeSql(String tableName, String documentAttributeName, String whereSqlStarter,int tableIndex) {
198         String tableIdentifier = "EXT" + tableIndex;
199         QueryComponent joinSqlComponent = getSearchableAttributeJoinSql(tableName, tableIdentifier, whereSqlStarter, documentAttributeName);
200         return new QueryComponent("", joinSqlComponent.getFromSql(), joinSqlComponent.getWhereSql());
201     }
202 
203     public QueryComponent getSearchableAttributeJoinSql(String tableName, String tableIdentifier, String whereSqlStarter, String attributeTableKeyColumnName) {
204         return new QueryComponent("", generateSearchableAttributeFromSql(tableName, tableIdentifier).toString(), generateSearchableAttributeWhereClauseJoin(whereSqlStarter, tableIdentifier, attributeTableKeyColumnName).toString());
205     }
206 
207     public StringBuilder generateSearchableAttributeWhereClauseJoin(String whereSqlStarter,String tableIdentifier,String attributeTableKeyColumnName) {
208         StringBuilder whereSql = new StringBuilder(constructWhereClauseElement(whereSqlStarter, "DOC_HDR.DOC_HDR_ID", "=", getDbPlatform().escapeString(tableIdentifier + ".DOC_HDR_ID"), null, null));
209         whereSql.append(constructWhereClauseElement(" and ", tableIdentifier + ".KEY_CD", "=",
210                 getDbPlatform().escapeString(attributeTableKeyColumnName), "'", "'"));
211         return whereSql;
212     }
213 
214     public StringBuilder generateSearchableAttributeFromSql(String tableName, String tableIdentifier) {
215         if (StringUtils.isBlank(tableName)) {
216             throw new IllegalArgumentException("tableName was null or blank");
217         }
218         if (StringUtils.isBlank(tableIdentifier)) {
219             throw new IllegalArgumentException("tableIdentifier was null or blank");
220         }
221         StringBuilder fromSql = new StringBuilder();
222         fromSql.append(" ,").append(tableName).append(" ").append(getDbPlatform().escapeString(tableIdentifier)).append(" ");
223         return fromSql;
224     }
225 
226     public StringBuilder constructWhereClauseElement(String clauseStarter,String queryTableColumnName,String operand,String valueToSearch,String valuePrefix,String valueSuffix) {
227         StringBuilder whereSql = new StringBuilder();
228         valuePrefix = (valuePrefix != null) ? valuePrefix : "";
229         valueSuffix = (valueSuffix != null) ? valueSuffix : "";
230         whereSql.append(" " + clauseStarter + " ").append(getDbPlatform().escapeString(queryTableColumnName)).append(" " + operand + " ").append(valuePrefix).append(valueToSearch).append(valueSuffix).append(" ");
231         return whereSql;
232     }
233 
234     @Override
235     public DocumentSearchResults.Builder processResultSet(DocumentSearchCriteria criteria, boolean criteriaModified, Statement searchAttributeStatement, ResultSet resultSet, int maxResultCap, int fetchLimit) throws SQLException {
236         DocumentSearchCriteria.Builder criteriaBuilder = DocumentSearchCriteria.Builder.create(criteria);
237         DocumentSearchResults.Builder results = DocumentSearchResults.Builder.create(criteriaBuilder);
238         results.setCriteriaModified(criteriaModified);
239 
240         List<DocumentSearchResult.Builder> resultList = new ArrayList<DocumentSearchResult.Builder>();
241         results.setSearchResults(resultList);
242         Map<String, DocumentSearchResult.Builder> resultMap = new HashMap<String, DocumentSearchResult.Builder>();
243 
244         int startAt = (criteria.getStartAtIndex()==null) ? 0 : criteria.getStartAtIndex();
245         int iteration = 0;
246         boolean resultSetHasNext = resultSet.next();
247 
248         PerformanceLogger perfLog = new PerformanceLogger();
249 
250         while (resultSetHasNext && resultMap.size() < maxResultCap && iteration < fetchLimit && startAt >= 0) {
251             if (iteration >= startAt) {
252                 DocumentSearchResult.Builder resultBuilder = processRow(criteria, searchAttributeStatement, resultSet);
253                 String documentId = resultBuilder.getDocument().getDocumentId();
254                 if (!resultMap.containsKey(documentId)) {
255                     resultList.add(resultBuilder);
256                     resultMap.put(documentId, resultBuilder);
257                 } else {
258                     // handle duplicate rows with different search data
259                     DocumentSearchResult.Builder previousEntry = resultMap.get(documentId);
260                     handleMultipleDocumentRows(previousEntry, resultBuilder);
261                 }
262             }
263 
264             iteration++;
265             resultSetHasNext = resultSet.next();
266         }
267 
268         perfLog.log("Time to read doc search results.", true);
269         // if we have threshold+1 results, then we have more results than we are going to display
270         results.setOverThreshold(resultSetHasNext);
271 
272         LOG.debug("Processed " + resultMap.size() + " document search result rows.");
273         return results;
274     }
275 
276     /**
277      * Handles multiple document rows by collapsing them into the list of document attributes on the existing row.
278      * The two rows must represent the same document.
279      *
280      * @param existingRow the existing row to combine the new row into
281      * @param newRow the new row from which to combine document attributes with the existing row
282      */
283     private void handleMultipleDocumentRows(DocumentSearchResult.Builder existingRow, DocumentSearchResult.Builder newRow) {
284         for (DocumentAttribute.AbstractBuilder<?> newDocumentAttribute : newRow.getDocumentAttributes()) {
285             existingRow.getDocumentAttributes().add(newDocumentAttribute);
286         }
287     }
288 
289     /**
290      * Processes the search result row, returning a DocumentSearchResult
291      * @param criteria the original search criteria
292      * @param searchAttributeStatement statement being used to call the database for queries
293      * @param rs the search result set
294      * @return a DocumentSearchResult representing the current ResultSet row
295      * @throws SQLException
296      */
297     protected DocumentSearchResult.Builder processRow(DocumentSearchCriteria criteria, Statement searchAttributeStatement, ResultSet rs) throws SQLException {
298 
299         String documentId = rs.getString("DOC_HDR_ID");
300         String initiatorPrincipalId = rs.getString("INITR_PRNCPL_ID");
301         String documentTypeName = rs.getString("DOC_TYP_NM");
302         org.kuali.rice.kew.api.doctype.DocumentType documentType =
303                 getApiDocumentTypeService().getDocumentTypeByName(documentTypeName);
304         if (documentType == null) {
305             throw new IllegalStateException("Failed to locate a document type with the given name: " + documentTypeName);
306         }
307         String documentTypeId = documentType.getId();
308 
309         Document.Builder documentBuilder = Document.Builder.create(documentId, initiatorPrincipalId, documentTypeName, documentTypeId);
310         DocumentSearchResult.Builder resultBuilder = DocumentSearchResult.Builder.create(documentBuilder);
311 
312         String statusCode = rs.getString("DOC_HDR_STAT_CD");
313         Timestamp createTimestamp = rs.getTimestamp("CRTE_DT");
314         String title = rs.getString("TTL");
315         String applicationDocumentStatus = rs.getString("APP_DOC_STAT");
316 
317         documentBuilder.setStatus(DocumentStatus.fromCode(statusCode));
318         documentBuilder.setDateCreated(new DateTime(createTimestamp.getTime()));
319         documentBuilder.setTitle(title);
320         documentBuilder.setApplicationDocumentStatus(applicationDocumentStatus);
321         documentBuilder.setApplicationDocumentStatusDate(new DateTime(rs.getTimestamp("APP_DOC_STAT_MDFN_DT")));
322         documentBuilder.setDateApproved(new DateTime(rs.getTimestamp("APRV_DT")));
323         documentBuilder.setDateFinalized(new DateTime(rs.getTimestamp("FNL_DT")));
324         documentBuilder.setApplicationDocumentId(rs.getString("APP_DOC_ID"));
325         documentBuilder.setDateLastModified(new DateTime(rs.getTimestamp("STAT_MDFN_DT")));
326         documentBuilder.setRoutedByPrincipalId(rs.getString("RTE_PRNCPL_ID"));
327 
328         // TODO - KULRICE-5755 - should probably set as many properties on the document as we can
329         documentBuilder.setDocumentHandlerUrl(rs.getString("DOC_HDLR_URL"));
330 
331         if (isUsingAtLeastOneSearchAttribute(criteria)) {
332             populateDocumentAttributesValues(resultBuilder, searchAttributeStatement);
333         }
334 
335         return resultBuilder;
336     }
337 
338     /**
339      * This method performs searches against the search attribute value tables (see classes implementing
340      * {@link org.kuali.rice.kew.docsearch.SearchableAttributeValue}) to get data to fill in search attribute values on the given resultBuilder parameter
341      *
342      * @param resultBuilder - document search result object getting search attributes added to it
343      * @param searchAttributeStatement - statement being used to call the database for queries
344      * @throws SQLException
345      */
346     public void populateDocumentAttributesValues(DocumentSearchResult.Builder resultBuilder, Statement searchAttributeStatement) throws SQLException {
347         searchAttributeStatement.setFetchSize(50);
348         String documentId = resultBuilder.getDocument().getDocumentId();
349         List<SearchableAttributeValue> attributeValues = DocumentSearchInternalUtils
350                 .getSearchableAttributeValueObjectTypes();
351         PerformanceLogger perfLog = new PerformanceLogger(documentId);
352         for (SearchableAttributeValue searchAttValue : attributeValues) {
353             String attributeSql = "select KEY_CD, VAL from " + searchAttValue.getAttributeTableName() + " where DOC_HDR_ID = '" + documentId + "'";
354             ResultSet attributeResultSet = null;
355             try {
356                 attributeResultSet = searchAttributeStatement.executeQuery(attributeSql);
357                 while (attributeResultSet.next()) {
358                     searchAttValue.setSearchableAttributeKey(attributeResultSet.getString("KEY_CD"));
359                     searchAttValue.setupAttributeValue(attributeResultSet, "VAL");
360                     if ( (!org.apache.commons.lang.StringUtils.isEmpty(searchAttValue.getSearchableAttributeKey())) && (searchAttValue.getSearchableAttributeValue() != null) ) {
361                         DocumentAttribute documentAttribute = searchAttValue.toDocumentAttribute();
362                         resultBuilder.getDocumentAttributes().add(DocumentAttributeFactory.loadContractIntoBuilder(
363                                 documentAttribute));
364                     }
365                 }
366             } finally {
367                 if (attributeResultSet != null) {
368                     try {
369                         attributeResultSet.close();
370                     } catch (Exception e) {
371                         LOG.warn("Could not close searchable attribute result set for class " + searchAttValue.getClass().getName(),e);
372                     }
373                 }
374             }
375         }
376         perfLog.log("Time to execute doc search search attribute queries.", true);
377     }
378 
379     @SuppressWarnings("deprecation")
380     public String generateSearchSql(DocumentSearchCriteria criteria, List<RemotableAttributeField> searchFields) {
381 
382         String docTypeTableAlias   = "DOC1";
383         String docHeaderTableAlias = "DOC_HDR";
384 
385         String sqlPrefix = "Select * from (";
386         String sqlSuffix = ") FINAL_SEARCH order by FINAL_SEARCH.CRTE_DT desc";
387         
388         // the DISTINCT here is important as it filters out duplicate rows which could occur as the result of doc search extension values...
389         StringBuilder selectSQL = new StringBuilder("select DISTINCT("+ docHeaderTableAlias +".DOC_HDR_ID), "
390                                                     + StringUtils.join(new String[] {
391                                                         docHeaderTableAlias + ".INITR_PRNCPL_ID",
392                                                         docHeaderTableAlias + ".DOC_HDR_STAT_CD",
393                                                         docHeaderTableAlias + ".CRTE_DT",
394                                                         docHeaderTableAlias + ".TTL",
395                                                         docHeaderTableAlias + ".APP_DOC_STAT",
396                                                         docHeaderTableAlias + ".STAT_MDFN_DT",
397                                                         docHeaderTableAlias + ".APRV_DT",
398                                                         docHeaderTableAlias + ".FNL_DT",
399                                                         docHeaderTableAlias + ".APP_DOC_ID",
400                                                         docHeaderTableAlias + ".RTE_PRNCPL_ID",
401                                                         docHeaderTableAlias + ".APP_DOC_STAT_MDFN_DT",
402                                                         docTypeTableAlias + ".DOC_TYP_NM",
403                                                         docTypeTableAlias + ".LBL",
404                                                         docTypeTableAlias + ".DOC_HDLR_URL",
405                                                         docTypeTableAlias + ".ACTV_IND"
406                                                     }, ", "));
407         StringBuilder fromSQL = new StringBuilder(" from KREW_DOC_TYP_T "+ docTypeTableAlias +" ");
408         StringBuilder fromSQLForDocHeaderTable = new StringBuilder(", KREW_DOC_HDR_T " + docHeaderTableAlias + " ");
409 
410         StringBuilder whereSQL = new StringBuilder();
411         whereSQL.append(getDocumentIdSql(criteria.getDocumentId(), getGeneratedPredicatePrefix(whereSQL.length()), docHeaderTableAlias));
412         // if principalId criteria exists ignore deprecated principalName search term
413         String principalInitiatorIdSql = getInitiatorIdSql(criteria.getInitiatorPrincipalId(), getGeneratedPredicatePrefix(whereSQL.length()));
414         if (StringUtils.isNotBlank(principalInitiatorIdSql)) {
415             whereSQL.append(principalInitiatorIdSql);
416         } else {
417             whereSQL.append(getInitiatorSql(criteria.getInitiatorPrincipalName(), getGeneratedPredicatePrefix(whereSQL.length())));
418         }
419         whereSQL.append(getAppDocIdSql(criteria.getApplicationDocumentId(), getGeneratedPredicatePrefix(whereSQL.length())));
420         whereSQL.append(getDateCreatedSql(criteria.getDateCreatedFrom(), criteria.getDateCreatedTo(), getGeneratedPredicatePrefix(whereSQL.length())));
421         whereSQL.append(getDateLastModifiedSql(criteria.getDateLastModifiedFrom(), criteria.getDateLastModifiedTo(), getGeneratedPredicatePrefix(whereSQL.length())));
422         whereSQL.append(getDateApprovedSql(criteria.getDateApprovedFrom(), criteria.getDateApprovedTo(), getGeneratedPredicatePrefix(whereSQL.length())));
423         whereSQL.append(getDateFinalizedSql(criteria.getDateFinalizedFrom(), criteria.getDateFinalizedTo(), getGeneratedPredicatePrefix(whereSQL.length())));
424 
425         // flags for the table being added to the FROM class of the sql
426         String principalViewerSql = getViewerSql(criteria.getViewerPrincipalName(), getGeneratedPredicatePrefix(whereSQL.length()));
427         String principalViewerIdSql = getViewerIdSql(criteria.getViewerPrincipalId(), getGeneratedPredicatePrefix(whereSQL.length()));
428         // if principalId criteria exists ignore deprecated principalName search term
429         if (StringUtils.isNotBlank(principalViewerIdSql)){
430             principalViewerSql = "";
431         }
432         String groupViewerSql = getGroupViewerSql(criteria.getGroupViewerId(), getGeneratedPredicatePrefix(whereSQL.length()));
433         if (StringUtils.isNotBlank(principalViewerSql) || StringUtils.isNotBlank(groupViewerSql) || StringUtils.isNotBlank(principalViewerIdSql) ) {
434             whereSQL.append(principalViewerSql);
435             whereSQL.append(principalViewerIdSql);
436             whereSQL.append(groupViewerSql);
437             fromSQL.append(", KREW_ACTN_RQST_T ");
438         }
439 
440         String principalApproverSql =  getApproverSql(criteria.getApproverPrincipalName(), getGeneratedPredicatePrefix(whereSQL.length()));
441         String principalApproverIdSql = getApproverIdSql(criteria.getApproverPrincipalId(), getGeneratedPredicatePrefix(whereSQL.length()));
442         // if principalId criteria exists ignore deprecated principalName search term
443         if (StringUtils.isNotBlank(principalApproverIdSql)){
444             principalApproverSql = "";
445         }
446         if (StringUtils.isNotBlank(principalApproverSql) || StringUtils.isNotBlank(principalApproverIdSql)) {
447             whereSQL.append(principalApproverSql);
448             whereSQL.append(principalApproverIdSql);
449             fromSQL.append(", KREW_ACTN_TKN_T ");
450         }
451 
452 
453 
454         String docRouteNodeSql = getDocRouteNodeSql(criteria.getDocumentTypeName(), criteria.getRouteNodeName(), criteria.getRouteNodeLookupLogic(), getGeneratedPredicatePrefix(whereSQL.length()));
455         if (StringUtils.isNotBlank(docRouteNodeSql)) {
456             whereSQL.append(docRouteNodeSql);
457             fromSQL.append(", KREW_RTE_NODE_INSTN_T ");
458             fromSQL.append(", KREW_RTE_NODE_T ");
459         }
460 
461         if (!criteria.getDocumentAttributeValues().isEmpty()) {
462             QueryComponent queryComponent = getSearchableAttributeSql(criteria.getDocumentAttributeValues(), searchFields, getGeneratedPredicatePrefix(
463                     whereSQL.length()));
464             selectSQL.append(queryComponent.getSelectSql());
465             fromSQL.append(queryComponent.getFromSql());
466             whereSQL.append(queryComponent.getWhereSql());
467         }
468 
469         whereSQL.append(getDocTypeFullNameWhereSql(criteria, getGeneratedPredicatePrefix(whereSQL.length())));
470         whereSQL.append(getDocTitleSql(criteria.getTitle(), getGeneratedPredicatePrefix(whereSQL.length())));
471         whereSQL.append(getDocumentStatusSql(criteria.getDocumentStatuses(), criteria.getDocumentStatusCategories(), getGeneratedPredicatePrefix(whereSQL.length())));
472         whereSQL.append(getGeneratedPredicatePrefix(whereSQL.length())).append(" DOC_HDR.DOC_TYP_ID = DOC1.DOC_TYP_ID ");
473         fromSQL.append(fromSQLForDocHeaderTable);
474 
475         // App Doc Status Value and Transition clauses
476         String statusTransitionWhereClause = getStatusTransitionDateSql(criteria.getDateApplicationDocumentStatusChangedFrom(), criteria.getDateApplicationDocumentStatusChangedTo(), getGeneratedPredicatePrefix(whereSQL.length()));
477 
478         List<String> applicationDocumentStatuses = criteria.getApplicationDocumentStatuses();
479         // deal with legacy usage of applicationDocumentStatus (which is deprecated)
480         if (!StringUtils.isBlank(criteria.getApplicationDocumentStatus())) {
481             if (!criteria.getApplicationDocumentStatuses().contains(criteria.getApplicationDocumentStatus())) {
482                 applicationDocumentStatuses = new ArrayList<String>(criteria.getApplicationDocumentStatuses());
483                 applicationDocumentStatuses.add(criteria.getApplicationDocumentStatus());
484             }
485         }
486 
487         whereSQL.append(getAppDocStatusesSql(applicationDocumentStatuses, getGeneratedPredicatePrefix(
488                 whereSQL.length()), statusTransitionWhereClause.length()));
489         if (statusTransitionWhereClause.length() > 0){
490         	whereSQL.append(statusTransitionWhereClause);
491             whereSQL.append(getGeneratedPredicatePrefix(whereSQL.length())).append(" DOC_HDR.DOC_HDR_ID = STAT_TRAN.DOC_HDR_ID ");
492         	fromSQL.append(", KREW_APP_DOC_STAT_TRAN_T STAT_TRAN ");
493         }
494 
495         String finalizedSql = sqlPrefix + " " + selectSQL.toString() + " " + fromSQL.toString() + " " + whereSQL.toString() + " " + sqlSuffix;
496 
497         LOG.info("*********** SEARCH SQL ***************");
498         LOG.info(finalizedSql);
499         LOG.info("**************************************");
500         return finalizedSql;
501     }
502 
503     public String getDocumentIdSql(String documentId, String whereClausePredicatePrefix, String tableAlias) {
504         if (StringUtils.isBlank(documentId)) {
505             return "";
506         } else {
507         	// Using true for caseInsensitive causes bad performance for MYSQL databases since function indexes cannot be added.
508         	// Due to this, false is passed for caseInsensitive
509             Criteria crit = getSqlBuilder().createCriteria("DOC_HDR_ID", documentId, "KREW_DOC_HDR_T", tableAlias, String.class, false, true);
510             return new StringBuilder(whereClausePredicatePrefix + crit.buildWhere()).toString();
511         }
512     }
513 
514     public String getDocTitleSql(String docTitle, String whereClausePredicatePrefix) {
515         if (StringUtils.isBlank(docTitle)) {
516             return "";
517         } else {
518             // quick and dirty ' replacement that isn't the best but should work for all dbs
519             docTitle = docTitle.trim().replace("\'", "\'\'");
520             SqlBuilder sqlBuild = new SqlBuilder();
521             Criteria crit = new Criteria("KREW_DOC_HDR_T", "DOC_HDR");
522             sqlBuild.addCriteria("TTL", docTitle, String.class, true, true, crit);
523             return new StringBuilder(whereClausePredicatePrefix + crit.buildWhere()).toString();
524         }
525     }
526 
527     // special methods that return the sql needed to complete the search
528     // or nothing if the field was not filled in
529     public String getAppDocIdSql(String appDocId, String whereClausePredicatePrefix) {
530         if (StringUtils.isBlank(appDocId)) {
531             return "";
532         } else {
533             String tableAlias = "DOC_HDR";
534             Criteria crit = getSqlBuilder().createCriteria("APP_DOC_ID", appDocId, "KREW_DOC_HDR_T", tableAlias,String.class);
535             return new StringBuilder(whereClausePredicatePrefix + crit.buildWhere()).toString();
536         }
537     }
538 
539     public String getDateCreatedSql(DateTime fromDateCreated, DateTime toDateCreated, String whereClausePredicatePrefix) {
540         return establishDateString(fromDateCreated, toDateCreated, "KREW_DOC_HDR_T", "DOC_HDR", "CRTE_DT", whereClausePredicatePrefix);
541     }
542 
543     public String getDateApprovedSql(DateTime fromDateApproved, DateTime toDateApproved, String whereClausePredicatePrefix) {
544         return establishDateString(fromDateApproved, toDateApproved, "KREW_DOC_HDR_T", "DOC_HDR", "APRV_DT", whereClausePredicatePrefix);
545     }
546 
547     public String getDateFinalizedSql(DateTime fromDateFinalized, DateTime toDateFinalized, String whereClausePredicatePrefix) {
548         return establishDateString(fromDateFinalized, toDateFinalized, "KREW_DOC_HDR_T", "DOC_HDR", "FNL_DT", whereClausePredicatePrefix);
549     }
550 
551     public String getDateLastModifiedSql(DateTime fromDateLastModified, DateTime toDateLastModified, String whereClausePredicatePrefix) {
552         return establishDateString(fromDateLastModified, toDateLastModified, "KREW_DOC_HDR_T", "DOC_HDR", "STAT_MDFN_DT", whereClausePredicatePrefix);
553     }
554 
555 	public String getStatusTransitionDateSql(DateTime fromStatusTransitionDate, DateTime toStatusTransitionDate, String whereClausePredicatePrefix) {
556         return establishDateString(fromStatusTransitionDate, toStatusTransitionDate, "KREW_DOC_HDR_T", "DOC_HDR", "APP_DOC_STAT_MDFN_DT", whereClausePredicatePrefix);
557     }
558 
559     public String getViewerSql(String viewer, String whereClausePredicatePrefix) {
560         StringBuilder returnSql = new StringBuilder();
561         if (StringUtils.isNotBlank(viewer)) {
562             Map<String, String> m = new HashMap<String, String>();
563             m.put("principalName", viewer);
564 
565             // This will search for people with the ability for the valid operands.
566             List<Person> personList = KimApiServiceLocator.getPersonService().findPeople(m, false);
567             List<String> principalList = new ArrayList<String>();
568 
569             if(CollectionUtils.isEmpty(personList)) {
570             	// findPeople allows for wildcards, but the person must be active.  If no one was found,
571             	// check for an exact inactive user.
572                 PrincipalContract tempPrincipal = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName(viewer.trim());
573         		if (tempPrincipal != null) {
574                     principalList.add(tempPrincipal.getPrincipalId());
575             	} else {
576                     // they entered something that returned nothing... so we should return nothing
577 
578                     return new StringBuilder(whereClausePredicatePrefix + " 1 = 0 ").toString();
579             	}
580             }
581 
582             for (Person person : personList){
583                 principalList.add(person.getPrincipalId());
584             }
585 
586             Criteria crit = new Criteria("KREW_ACTN_RQST_T", "KREW_ACTN_RQST_T");
587             crit.in("PRNCPL_ID", principalList, String.class);
588             returnSql.append(whereClausePredicatePrefix + "( (DOC_HDR.DOC_HDR_ID = KREW_ACTN_RQST_T.DOC_HDR_ID and " + crit.buildWhere() + " )");
589 
590             Set<String> viewerGroupIds = new TreeSet<String>();
591 
592             if(CollectionUtils.isNotEmpty(principalList)) {
593                 for(String principalId: principalList){
594                     viewerGroupIds.addAll(KimApiServiceLocator.getGroupService().getGroupIdsByPrincipalId(principalId));
595                 }
596             }
597 
598             // Documents routed to users as part of a workgoup should be returned.
599             // Use Chad's escape stuff
600             if (viewerGroupIds != null && !viewerGroupIds.isEmpty()) {
601 
602                 returnSql.append(" or ( " +
603                     "DOC_HDR.DOC_HDR_ID = KREW_ACTN_RQST_T.DOC_HDR_ID " +
604                     "and KREW_ACTN_RQST_T.GRP_ID in (");
605 
606                 boolean first = true;
607                 for (String groupId : viewerGroupIds){
608                     if(!first){
609                         returnSql.append(",");
610                     }
611                     returnSql.append("'").append(groupId).append("'");
612                     first = false;
613                 }
614                 returnSql.append("))");
615             }
616             returnSql.append(")");
617         }
618         return returnSql.toString();
619     }
620 
621     public String getViewerIdSql(String viewerId, String whereClausePredicatePrefix) {
622         StringBuilder returnSql = new StringBuilder();
623         if (StringUtils.isNotBlank(viewerId)) {
624             Map<String, String> m = new HashMap<String, String>();
625             m.put("principalId", viewerId);
626 
627             // This will search for people with the ability for the valid operands.
628             List<Person> personList = KimApiServiceLocator.getPersonService().findPeople(m, false);
629             List<String> principalList = new ArrayList<String>();
630 
631             if(CollectionUtils.isEmpty(personList)) {
632                 // they entered something that returned nothing... so we should return nothing
633                 return new StringBuilder(whereClausePredicatePrefix + " 1 = 0 ").toString();
634             }
635 
636             for (Person person : personList){
637                 principalList.add(person.getPrincipalId());
638             }
639 
640             Criteria crit = new Criteria("KREW_ACTN_RQST_T", "KREW_ACTN_RQST_T");
641             crit.in("PRNCPL_ID", principalList, String.class);
642             returnSql.append(whereClausePredicatePrefix + "( DOC_HDR.DOC_HDR_ID = KREW_ACTN_RQST_T.DOC_HDR_ID and " + crit.buildWhere() + " )");
643         }
644         return returnSql.toString();
645     }
646 
647     public String getGroupViewerSql(String groupId, String whereClausePredicatePrefix) {
648         String sql = "";
649         if (StringUtils.isNotBlank(groupId)) {
650             sql = whereClausePredicatePrefix + " DOC_HDR.DOC_HDR_ID = KREW_ACTN_RQST_T.DOC_HDR_ID and KREW_ACTN_RQST_T.GRP_ID = '" + groupId + "'";
651         }
652         return sql;
653     }
654 
655     public String getInitiatorSql(String initiatorPrincipalName, String whereClausePredicatePrefix) {
656 
657         if (StringUtils.isBlank(initiatorPrincipalName)) {
658             return "";
659         }
660 
661         String tableAlias = "DOC_HDR";
662 
663         Map<String, String> m = new HashMap<String, String>();
664         m.put("principalName", initiatorPrincipalName);
665 
666         // This will search for people with the ability for the valid operands.
667         List<Person> pList = KimApiServiceLocator.getPersonService().findPeople(m, false);
668         List<String> principalList = new ArrayList<String>();
669 
670         if(pList == null || pList.isEmpty() ){
671        		// findPeople allows for wildcards, but the person must be active.  If no one was found,
672        		// check for an exact inactive user.
673        		PrincipalContract tempPrincipal = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName(initiatorPrincipalName.trim());
674        		if (tempPrincipal != null) {
675        			principalList.add(tempPrincipal.getPrincipalId());
676        		} else {
677                 // they entered something that returned nothing... so we should return nothing
678                 return new StringBuilder(whereClausePredicatePrefix + " 1 = 0 ").toString();
679         	}
680         }
681 
682         for(Person p: pList){
683             principalList.add(p.getPrincipalId());
684         }
685 
686         Criteria crit = new Criteria("KREW_DOC_HDR_T", tableAlias);
687         crit.in("INITR_PRNCPL_ID", principalList, String.class);
688 
689         return new StringBuilder(whereClausePredicatePrefix + crit.buildWhere()).toString();
690     }
691 
692     public String getInitiatorIdSql(String initiatorPrincipalId, String whereClausePredicatePrefix) {
693 
694         if (StringUtils.isBlank(initiatorPrincipalId)) {
695             return "";
696         }
697 
698         String tableAlias = "DOC_HDR";
699 
700         Map<String, String> m = new HashMap<String, String>();
701         m.put("principalId", initiatorPrincipalId);
702 
703         // This will search for people with the ability for the valid operands.
704         List<Person> pList = KimApiServiceLocator.getPersonService().findPeople(m, false);
705         List<String> principalList = new ArrayList<String>();
706 
707         if(pList == null || pList.isEmpty() ){
708             // they entered something that returned nothing... so we should return nothing
709             return new StringBuilder(whereClausePredicatePrefix + " 1 = 0 ").toString();
710         }
711 
712         for(Person p: pList){
713             principalList.add(p.getPrincipalId());
714         }
715 
716         Criteria crit = new Criteria("KREW_DOC_HDR_T", tableAlias);
717         crit.in("INITR_PRNCPL_ID", principalList, String.class);
718 
719         return new StringBuilder(whereClausePredicatePrefix + crit.buildWhere()).toString();
720     }
721 
722     public String getApproverSql(String approver, String whereClausePredicatePrefix) {
723         String returnSql = "";
724         if (StringUtils.isNotBlank(approver)) {
725             Map<String, String> m = new HashMap<String, String>();
726             m.put("principalName", approver);
727 
728             // This will search for people with the ability for the valid operands.
729             List<Person> pList = KimApiServiceLocator.getPersonService().findPeople(m, false);
730             List<String> principalList = new ArrayList<String>();
731 
732             if(pList == null || pList.isEmpty() ){
733            		// findPeople allows for wildcards, but the person must be active.  If no one was found,
734            		// check for an exact inactive user.
735                 PrincipalContract tempPrincipal = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName(approver.trim());
736 
737                 if (tempPrincipal != null) {
738            			principalList.add(tempPrincipal.getPrincipalId());
739                 } else {
740                     // they entered something that returned nothing... so we should return nothing
741                     return new StringBuilder(whereClausePredicatePrefix + " 1 = 0 ").toString();
742                 }
743             }
744 
745             for(Person p: pList){
746                 principalList.add(p.getPrincipalId());
747             }
748 
749             Criteria crit = new Criteria("KREW_ACTN_TKN_T", "KREW_ACTN_TKN_T");
750             crit.in("PRNCPL_ID", principalList, String.class);
751 
752             returnSql = whereClausePredicatePrefix +
753             " DOC_HDR.DOC_HDR_ID = KREW_ACTN_TKN_T.DOC_HDR_ID and upper(KREW_ACTN_TKN_T.ACTN_CD) in ('" +
754             KewApiConstants.ACTION_TAKEN_APPROVED_CD + "','" + KewApiConstants.ACTION_TAKEN_BLANKET_APPROVE_CD + "')" +
755             " and " + crit.buildWhere();
756         }
757         return returnSql;
758     }
759 
760     public String getApproverIdSql(String approverId, String whereClausePredicatePrefix) {
761         String returnSql = "";
762         if (StringUtils.isNotBlank(approverId)) {
763             Map<String, String> m = new HashMap<String, String>();
764             m.put("principalId", approverId);
765 
766             // This will search for people with the ability for the valid operands.
767             List<Person> pList = KimApiServiceLocator.getPersonService().findPeople(m, false);
768             List<String> principalList = new ArrayList<String>();
769 
770             if(pList == null || pList.isEmpty() ){
771                  // they entered something that returned nothing... so we should return nothing
772                     return new StringBuilder(whereClausePredicatePrefix + " 1 = 0 ").toString();
773             }
774 
775             for(Person p: pList){
776                 principalList.add(p.getPrincipalId());
777             }
778 
779             Criteria crit = new Criteria("KREW_ACTN_TKN_T", "KREW_ACTN_TKN_T");
780             crit.in("PRNCPL_ID", principalList, String.class);
781 
782             returnSql = whereClausePredicatePrefix +
783                     " DOC_HDR.DOC_HDR_ID = KREW_ACTN_TKN_T.DOC_HDR_ID and upper(KREW_ACTN_TKN_T.ACTN_CD) in ('" +
784                     KewApiConstants.ACTION_TAKEN_APPROVED_CD + "','" + KewApiConstants.ACTION_TAKEN_BLANKET_APPROVE_CD + "')" +
785                     " and " + crit.buildWhere();
786         }
787         return returnSql;
788     }
789 
790     public String getDocTypeFullNameWhereSql(DocumentSearchCriteria criteria, String whereClausePredicatePrefix) {
791         List<String> documentTypeNamesToSearch = new ArrayList<String>();
792         String primaryDocumentTypeName = criteria.getDocumentTypeName();
793         if (StringUtils.isNotBlank(primaryDocumentTypeName)) {
794             documentTypeNamesToSearch.add(primaryDocumentTypeName);
795         }
796         documentTypeNamesToSearch.addAll(criteria.getAdditionalDocumentTypeNames());
797         StringBuilder returnSql = new StringBuilder("");
798         if (CollectionUtils.isNotEmpty(documentTypeNamesToSearch)) {
799             int index = 0;
800             for (String documentTypeName : documentTypeNamesToSearch) {
801                 if (StringUtils.isNotBlank(documentTypeName)) {
802                     String clause = index++ == 0 ? "" : " or ";
803                     DocumentTypeService docSrv = KEWServiceLocator.getDocumentTypeService();
804                     DocumentType docType = docSrv.findByNameCaseInsensitive(documentTypeName.trim());
805                     if (docType != null) {
806                         if (documentTypeName.contains("*") || documentTypeName.contains("%")) {
807                             addDocumentTypeLikeNameToSearchOn(returnSql, documentTypeName.trim(), clause);
808                         } else {
809                             addDocumentTypeNameToSearchOn(returnSql, documentTypeName.trim(), clause);
810                         }
811                         if (docType.getChildrenDocTypes() != null) {
812                             addChildDocumentTypes(returnSql, docType.getChildrenDocTypes());
813                         }
814                     } else{
815                         addDocumentTypeLikeNameToSearchOn(returnSql, documentTypeName.trim(), clause);
816                     }
817                 }
818             }
819         }
820         if (returnSql.length() > 0) {
821             returnSql.insert(0, "(");
822             returnSql.insert(0, whereClausePredicatePrefix);
823             returnSql.append(")");
824         }
825         return returnSql.toString();
826     }
827 
828     public void addChildDocumentTypes(StringBuilder whereSql, Collection<DocumentType> childDocumentTypes) {
829         for (DocumentType child : childDocumentTypes) {
830             addDocumentTypeNameToSearchOn(whereSql, child.getName());
831             addChildDocumentTypes(whereSql, child.getChildrenDocTypes());
832         }
833     }
834 
835     public void addDocumentTypeNameToSearchOn(StringBuilder whereSql, String documentTypeName) {
836         this.addDocumentTypeNameToSearchOn(whereSql, documentTypeName, " or ");
837     }
838 
839     public void addDocumentTypeNameToSearchOn(StringBuilder whereSql, String documentTypeName, String clause) {
840         whereSql.append(clause).append("upper(DOC1.DOC_TYP_NM) = '" + documentTypeName.toUpperCase() + "'");
841     }
842     public void addDocumentTypeLikeNameToSearchOn(StringBuilder whereSql, String documentTypeName, String clause) {
843         documentTypeName = documentTypeName.replace('*', '%');
844         whereSql.append(clause).append(" upper(DOC1.DOC_TYP_NM) LIKE '" + documentTypeName.toUpperCase() + "'");
845     }
846 
847     public String getDocRouteNodeSql(String documentTypeFullName, String routeNodeName, RouteNodeLookupLogic docRouteLevelLogic, String whereClausePredicatePrefix) {
848         // -1 is the default 'blank' choice from the route node drop down a number is used because the ojb RouteNode object is used to
849         // render the node choices on the form.
850         String returnSql = "";
851         if (StringUtils.isNotBlank(routeNodeName)) {
852             if (docRouteLevelLogic == null) {
853                 docRouteLevelLogic = RouteNodeLookupLogic.EXACTLY;
854             }
855             StringBuilder routeNodeCriteria = new StringBuilder("and " + ROUTE_NODE_TABLE + ".NM ");
856             if (RouteNodeLookupLogic.EXACTLY == docRouteLevelLogic) {
857         		routeNodeCriteria.append("= '" + getDbPlatform().escapeString(routeNodeName) + "' ");
858             } else {
859                 routeNodeCriteria.append("in (");
860                 // below buffer used to facilitate the addition of the string ", " to separate out route node names
861                 StringBuilder routeNodeInCriteria = new StringBuilder();
862                 boolean foundSpecifiedNode = false;
863                 List<RouteNode> routeNodes = KEWServiceLocator.getRouteNodeService().getFlattenedNodes(getValidDocumentType(documentTypeFullName), true);
864                 for (RouteNode routeNode : routeNodes) {
865                     if (routeNodeName.equals(routeNode.getRouteNodeName())) {
866                         // current node is specified node so we ignore it outside of the boolean below
867                         foundSpecifiedNode = true;
868                         continue;
869                     }
870                     // below logic should be to add the current node to the criteria if we haven't found the specified node
871                     // and the logic qualifier is 'route nodes before specified'... or we have found the specified node and
872                     // the logic qualifier is 'route nodes after specified'
873                     if ( (!foundSpecifiedNode && RouteNodeLookupLogic.BEFORE == docRouteLevelLogic) ||
874                          (foundSpecifiedNode && RouteNodeLookupLogic.AFTER == docRouteLevelLogic) ) {
875                         if (routeNodeInCriteria.length() > 0) {
876                             routeNodeInCriteria.append(", ");
877                         }
878                         routeNodeInCriteria.append("'" + routeNode.getRouteNodeName() + "'");
879                     }
880                 }
881                 if (routeNodeInCriteria.length() > 0) {
882                     routeNodeCriteria.append(routeNodeInCriteria);
883                 } else {
884                     routeNodeCriteria.append("''");
885                 }
886                 routeNodeCriteria.append(") ");
887             }
888             returnSql = whereClausePredicatePrefix + "DOC_HDR.DOC_HDR_ID = " + ROUTE_NODE_INST_TABLE + ".DOC_HDR_ID and " + ROUTE_NODE_INST_TABLE + ".RTE_NODE_ID = " + ROUTE_NODE_TABLE + ".RTE_NODE_ID and " + ROUTE_NODE_INST_TABLE + ".ACTV_IND = 1 " + routeNodeCriteria.toString() + " ";
889         }
890         return returnSql;
891     }
892 
893     public String getDocumentStatusSql(List<DocumentStatus> documentStatuses, List<DocumentStatusCategory> categories, String whereClausePredicatePrefix) {
894         if (CollectionUtils.isEmpty(documentStatuses) && CollectionUtils.isEmpty(categories)) {
895             return whereClausePredicatePrefix + "DOC_HDR.DOC_HDR_STAT_CD != '" + DocumentStatus.INITIATED.getCode() + "'";
896         } else {
897             // include all given document statuses
898             Set<DocumentStatus> statusesToInclude = new HashSet<DocumentStatus>(documentStatuses);
899 
900             // add all statuses from each category
901             for (DocumentStatusCategory category : categories) {
902                 Set<DocumentStatus> categoryStatuses = DocumentStatus.getStatusesForCategory(category);
903                 statusesToInclude.addAll(categoryStatuses);
904             }
905 
906             Set<String> statusCodes = new HashSet<String>();
907             for (DocumentStatus statusToInclude : statusesToInclude) {
908                 statusCodes.add("'" + getDbPlatform().escapeString(statusToInclude.getCode()) + "'");
909             }
910             return whereClausePredicatePrefix + " DOC_HDR.DOC_HDR_STAT_CD in (" + StringUtils.join(statusCodes, ", ") +")";
911         }
912     }
913 
914     /**
915      * This method generates the where clause fragment related to Application Document Status.
916      * If the Status values only are defined, search for the appDocStatus value in the route header.
917      * If either the transition from/to dates are defined, search agains the status transition history.
918      */
919     public String getAppDocStatusesSql(List<String> appDocStatuses, String whereClausePredicatePrefix, int statusTransitionWhereClauseLength) {
920         if (CollectionUtils.isEmpty(appDocStatuses)) {
921             return "";
922         } else {
923             String inList = buildAppDocStatusInList(appDocStatuses);
924 
925             if (statusTransitionWhereClauseLength > 0){
926                 return whereClausePredicatePrefix + " STAT_TRAN.APP_DOC_STAT_TO" + inList;
927             } else {
928                 return whereClausePredicatePrefix + " DOC_HDR.APP_DOC_STAT" + inList;
929             }
930         }
931     }
932 
933     private String buildAppDocStatusInList(List<String> appDocStatuses) {
934         StringBuilder sql = new StringBuilder(" IN (");
935 
936         boolean first = true;
937         for (String appDocStatus : appDocStatuses) {
938             // commas before each element except the first one
939             if (first) {
940                 first = false;
941             } else {
942                 sql.append(",");
943             }
944 
945             sql.append("'");
946             sql.append(getDbPlatform().escapeString(appDocStatus.trim()));
947             sql.append("'");
948         }
949 
950         sql.append(")");
951 
952         return sql.toString();
953     }
954 
955     public String getGeneratedPredicatePrefix(int whereClauseSize) {
956         return (whereClauseSize > 0) ? " and " : " where ";
957     }
958 
959     public String establishDateString(DateTime fromDate, DateTime toDate, String tableName, String tableAlias, String colName, String whereStatementClause) {
960 
961         String fromDateValue = null;
962         if (fromDate != null) {
963             fromDateValue = CoreApiServiceLocator.getDateTimeService().toDateString(fromDate.toDate());
964         }
965 
966         String toDateValue = null;
967         if (toDate != null) {
968             toDateValue = CoreApiServiceLocator.getDateTimeService().toDateString(toDate.toDate());
969             toDateValue += " 23:59:59";
970         }
971 
972         String searchValue = null;
973         if (fromDateValue != null && toDateValue != null) {
974             searchValue = fromDateValue + " .. " + toDateValue;
975         } else if (fromDateValue != null) {
976             searchValue = ">= " + fromDateValue;
977         } else if (toDateValue != null) {
978             searchValue = "<= " + toDateValue;
979         } else {
980             return "";
981         }
982 
983         Criteria crit = getSqlBuilder().createCriteria(colName, searchValue, tableName, tableAlias, java.sql.Date.class, true, true);
984         return new StringBuilder(whereStatementClause).append(crit.buildWhere()).toString();
985 
986     }
987 
988     public DatabasePlatform getDbPlatform() {
989         if (dbPlatform == null) {
990             dbPlatform = (DatabasePlatform) GlobalResourceLoader.getService(RiceConstants.DB_PLATFORM);
991         }
992         return dbPlatform;
993     }
994 
995     public SqlBuilder getSqlBuilder() {
996         if(sqlBuilder == null){
997             sqlBuilder = new SqlBuilder();
998             sqlBuilder.setDbPlatform(getDbPlatform());
999             sqlBuilder.setDateTimeService(CoreApiServiceLocator.getDateTimeService());
1000         }
1001         return this.sqlBuilder;
1002     }
1003 
1004     public void setSqlBuilder(SqlBuilder sqlBuilder) {
1005         this.sqlBuilder = sqlBuilder;
1006     }
1007 
1008     /**
1009      * A helper method for determining whether any searchable attributes are in use for the search.
1010      *
1011      * @return True if the search criteria contains at least one searchable attribute or the criteria's doc type name is
1012      * non-blank; false otherwise.
1013      */
1014     protected boolean isUsingAtLeastOneSearchAttribute(DocumentSearchCriteria criteria) {
1015         return criteria.getDocumentAttributeValues().size() > 0 || StringUtils.isNotBlank(criteria.getDocumentTypeName());
1016     }
1017 
1018     protected org.kuali.rice.kew.api.doctype.DocumentTypeService getApiDocumentTypeService() {
1019         if (apiDocumentTypeService == null) {
1020             apiDocumentTypeService = KewApiServiceLocator.getDocumentTypeService();
1021         }
1022 
1023         return apiDocumentTypeService;
1024     }
1025 
1026     protected void setApiDocumentTypeService(org.kuali.rice.kew.api.doctype.DocumentTypeService apiDocumentTypeService) {
1027         this.apiDocumentTypeService = apiDocumentTypeService;
1028     }
1029 
1030 }