Coverage Report - org.kuali.rice.core.dao.GenericDao
 
Classes in this File Line Coverage Branch Coverage Complexity
GenericDao
N/A
N/A
1
 
 1  
 /*
 2  
  * Copyright 2007-2008 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.core.dao;
 17  
 
 18  
 import java.util.Collection;
 19  
 import java.util.List;
 20  
 import java.util.Map;
 21  
 
 22  
 import org.apache.ojb.broker.query.Criteria;
 23  
 
 24  
 /**
 25  
  * This is the generic data access interface for business objects. 
 26  
  * This class was adapted from the Kuali Nervous System
 27  
  * (org.kuali.rice.kns.dao.BusinessObjectDao). 
 28  
  * It's not as generic as it could be as it relies on the OJB criteria object...
 29  
  * 
 30  
  * @author Kuali Rice Team (rice.collab@kuali.org)
 31  
  */
 32  
 public interface GenericDao {
 33  
     /**
 34  
      * Saves any object
 35  
      * 
 36  
      * @param bo
 37  
      */
 38  
     public void save(Object bo);
 39  
 
 40  
     /**
 41  
      * Saves a List of objects
 42  
      * 
 43  
      * @param businessObjects
 44  
      */
 45  
     public void save(List businessObjects);
 46  
 
 47  
     /**
 48  
      * Retrieves an object instance identified bys it primary key.
 49  
      * 
 50  
      * @param clazz the class
 51  
      * @param id the primary key value
 52  
      * @return Object
 53  
      */
 54  
     public Object findById(Class clazz, Object keyValue);
 55  
     
 56  
     /**
 57  
      * Retrieves an object instance identified by its primary keys and
 58  
      * values. This can be done by constructing a map where the key to the
 59  
      * map entry is the primary key attribute and the value of the entry
 60  
      * being the primary key value. For composite keys, pass in each
 61  
      * primaryKey attribute and its value as a map entry.
 62  
      * 
 63  
      * @param clazz
 64  
      * @param primaryKeys
 65  
      * @return Object
 66  
      */
 67  
     public Object findByPrimaryKey(Class clazz, Map primaryKeys);
 68  
     
 69  
     /**
 70  
      * This method should be used to try and locate an object instance by passing 
 71  
      * in unique keys and values. This can be done by constructing a map where the key to the
 72  
      * map entry is the unique key attribute and the value of the entry
 73  
      * being the unique key value. For composite keys, pass in each
 74  
      * unique key attribute and its value as a map entry.
 75  
      * 
 76  
      * @param clazz
 77  
      * @param uniqueKeys
 78  
      * @return Object
 79  
      */
 80  
     public Object findByUniqueKey(Class clazz, Map uniqueKeys);
 81  
 
 82  
     /**
 83  
      * Retrieves an object instance identified by the class of the given
 84  
      * object and the object's primary key values.
 85  
      * 
 86  
      * @param object
 87  
      * @return Object
 88  
      */
 89  
     public Object retrieve(Object object);
 90  
     
 91  
     /**
 92  
      * This method allows you to pass in an object that has some fields filled in, 
 93  
      * and will query underneath by automatically constructing a select statement 
 94  
      * whose where clause is built automatically by looking at the non-null 
 95  
      * attributes and using their values as part of the query.  This is basically 
 96  
      * a query by "template" method.
 97  
      * @param object
 98  
      * @return Collection
 99  
      */
 100  
     public Collection findMatchingByExample(Object object);
 101  
 
 102  
     /**
 103  
      * Retrieves a collection of business objects populated with data, such
 104  
      * that each record in the database populates a new object instance.
 105  
      * This will only retrieve business objects by class type.
 106  
      * 
 107  
      * @param clazz
 108  
      * @return Collection
 109  
      */
 110  
     public Collection findAll(Class clazz);
 111  
 
 112  
     /**
 113  
      * Retrieves a collection of business objects populated with data, such
 114  
      * that each record in the database populates a new object instance.
 115  
      * This will only retrieve business objects by class type. Orders the
 116  
      * results by the given field.
 117  
      * 
 118  
      * @param clazz
 119  
      * @return Collection
 120  
      */
 121  
     public Collection findAllOrderBy(Class clazz, String sortField,
 122  
         boolean sortAscending);
 123  
 
 124  
     /**
 125  
      * This method retrieves a collection of business objects populated with
 126  
      * data, such that each record in the database populates a new object
 127  
      * instance. This will retrieve business objects by class type and also
 128  
      * by criteria passed in as key-value pairs, specifically attribute
 129  
      * name-expected value.
 130  
      * 
 131  
      * @param clazz
 132  
      * @param fieldValues
 133  
      * @return Collection
 134  
      */
 135  
     public Collection findMatching(Class clazz, Map fieldValues);
 136  
     
 137  
     /**
 138  
      * This method allows for a more flexible search by allowing the programmer to 
 139  
      * construct the criteria however they need to and then pass that in for execution.
 140  
      * @param clazz
 141  
      * @param criteria
 142  
      * @return Collection
 143  
      */
 144  
     public Collection findMatching(Class clazz, Criteria criteria);
 145  
 
 146  
     /**
 147  
      * This method allows for a more flexible search by allowing the programmer to 
 148  
      * construct the criteria however they need to and then pass that in for execution.
 149  
      * @param clazz
 150  
      * @param criteria
 151  
      * @param selectForUpdate whether to perform a select for update query
 152  
      * @param wait millis to wait for select for update
 153  
      * @return Collection
 154  
      */
 155  
     public Collection findMatching(Class clazz, Criteria criteria, boolean selectForUpdate, long wait);
 156  
 
 157  
     /**
 158  
      * @param clazz
 159  
      * @param fieldValues
 160  
      * @return count of BusinessObjects of the given class whose fields
 161  
      *         match the values in the given Map.
 162  
      */
 163  
     public int countMatching(Class clazz, Map fieldValues);
 164  
 
 165  
     /**
 166  
      * 
 167  
      * This method returns the number of matching result given the positive
 168  
      * criterias and negative criterias. The negative criterias are the ones
 169  
      * that will be set to "notEqualTo" or "notIn"
 170  
      * 
 171  
      * @param clazz
 172  
      * @param positiveFieldValues
 173  
      *                Map of fields and values for positive criteria
 174  
      * @param negativeFieldValues
 175  
      *                Map of fields and values for negative criteria
 176  
      * @return int
 177  
      */
 178  
     public int countMatching(Class clazz, Map positiveFieldValues,
 179  
         Map negativeFieldValues);
 180  
 
 181  
     /**
 182  
      * This method retrieves a collection of business objects populated with
 183  
      * data, such that each record in the database populates a new object
 184  
      * instance. This will retrieve business objects by class type and also
 185  
      * by criteria passed in as key-value pairs, specifically attribute
 186  
      * name-expected value. Orders the results by the given field.
 187  
      * 
 188  
      * @param clazz
 189  
      * @param fieldValues
 190  
      * @return Collection
 191  
      */
 192  
     public Collection findMatchingOrderBy(Class clazz, Map fieldValues,
 193  
         String sortField, boolean sortAscending);
 194  
 
 195  
     /**
 196  
      * Deletes a business object from the database.
 197  
      * 
 198  
      * @param bo
 199  
      */
 200  
     public void delete(Object bo);
 201  
 
 202  
     /**
 203  
      * Deletes each business object in the given List from the database.
 204  
      * 
 205  
      * @param boList
 206  
      */
 207  
     public void delete(List<Object> boList);
 208  
 
 209  
     /**
 210  
      * Deletes the business objects matching the given fieldValues
 211  
      * 
 212  
      * @param clazz
 213  
      * @param fieldValues
 214  
      */
 215  
     public void deleteMatching(Class clazz, Map fieldValues);
 216  
 }