001 /**
002 * Copyright 2005-2014 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 /*
017 * To change this template, choose Tools | Templates
018 * and open the template in the editor.
019 */
020 package org.kuali.rice.krms.api.repository;
021
022 import java.io.Serializable;
023 import java.util.ArrayList;
024 import java.util.Collection;
025 import java.util.Collections;
026 import java.util.List;
027 import javax.xml.bind.annotation.XmlAccessType;
028 import javax.xml.bind.annotation.XmlAccessorType;
029 import javax.xml.bind.annotation.XmlAnyElement;
030 import javax.xml.bind.annotation.XmlElement;
031 import javax.xml.bind.annotation.XmlRootElement;
032 import javax.xml.bind.annotation.XmlType;
033 import org.kuali.rice.core.api.CoreConstants;
034 import org.kuali.rice.core.api.mo.ModelBuilder;
035 import org.kuali.rice.krms.api.KrmsConstants;
036
037 /**
038 * Concrete model object implementation of a natural language tree immutable.
039 * Instances of natural language tree can be (un)marshalled to and from XML.
040 *
041 * @see NaturalLanguageTreeContract
042 */
043 @XmlRootElement(name = NaturalLanguageTree.Constants.ROOT_ELEMENT_NAME)
044 @XmlAccessorType(XmlAccessType.NONE)
045 @XmlType(name = NaturalLanguageTree.Constants.TYPE_NAME, propOrder = {
046 NaturalLanguageTree.Elements.NATURAL_LANGUAGE,
047 NaturalLanguageTree.Elements.CHILDREN,
048 CoreConstants.CommonElements.FUTURE_ELEMENTS
049 })
050 public class NaturalLanguageTree implements NaturalLanguageTreeContract {
051
052 private static final long serialVersionUID = 2783959459503209577L;
053 @XmlElement(name = NaturalLanguageTree.Elements.NATURAL_LANGUAGE, required = false)
054 private String naturalLanguage;
055 @XmlElement(name = NaturalLanguageTree.Elements.CHILDREN, required = false)
056 private List<NaturalLanguageTree> children;
057 @SuppressWarnings("unused")
058 @XmlAnyElement
059 private final Collection<org.w3c.dom.Element> _futureElements = null;
060
061 /**
062 * This constructor should never be called. It is only present for use
063 * during JAXB unmarshalling.
064 */
065 public NaturalLanguageTree() {
066 this.naturalLanguage = null;
067 this.children = null;
068 }
069
070 @Override
071 public String getNaturalLanguage() {
072 return naturalLanguage;
073 }
074
075 @Override
076 public List<NaturalLanguageTree> getChildren() {
077 return children;
078 }
079
080 /**
081 * Constructs a KRMS Repository Agenda object from the given builder. This
082 * constructor is private and should only ever be invoked from the builder.
083 *
084 * @param builder the Builder from which to construct the Agenda
085 */
086 private NaturalLanguageTree(Builder builder) {
087 this.naturalLanguage = builder.getNaturalLanguage();
088 List<NaturalLanguageTree> list = null;
089 if (builder.getChildren() != null) {
090 list = new ArrayList<NaturalLanguageTree>(builder.getChildren().size());
091 for (NaturalLanguageTreeContract nltree : builder.getChildren()) {
092 list.add(Builder.create(nltree).build());
093 }
094 this.children = Collections.unmodifiableList(list);
095 }
096 }
097
098 /**
099 * This builder is used to construct instances of KRMS Repository Agenda. It
100 * enforces the constraints of the {@link NaturalLanguageTreeContract}.
101 */
102 public static class Builder implements NaturalLanguageTreeContract, ModelBuilder, Serializable {
103
104 private static final long serialVersionUID = -8862851720709537839L;
105 private String naturalLanguage;
106 private List<? extends NaturalLanguageTreeContract> children;
107
108 /**
109 * Private constructor for creating a builder with all of it's required
110 * attributes.
111 */
112 private Builder() {
113 }
114
115 /**
116 * Private constructor for creating a builder with all of it's required
117 * attributes.
118 */
119 private Builder(String naturalLanguage, List<? extends NaturalLanguageTreeContract> children) {
120 setNaturalLanguage(naturalLanguage);
121 setChildren(children);
122 }
123
124 @Override
125 public String getNaturalLanguage() {
126 return naturalLanguage;
127 }
128
129 public void setNaturalLanguage(String naturalLanguage) {
130 this.naturalLanguage = naturalLanguage;
131 }
132
133 @Override
134 public List<? extends NaturalLanguageTreeContract> getChildren() {
135 return children;
136 }
137
138 public void setChildren(List<? extends NaturalLanguageTreeContract> children) {
139 this.children = children;
140 }
141
142
143 /**
144 * Creates a builder by populating it with data from the given
145 * {@link NaturalLanguageTreeContract}.
146 *
147 * @param contract the contract from which to populate this builder
148 * @return an instance of the builder populated with data from the
149 * contract
150 * @throws IllegalArgumentException if the contract is null
151 */
152 public static NaturalLanguageTree.Builder create() {
153 NaturalLanguageTree.Builder builder = new NaturalLanguageTree.Builder();
154 return builder;
155 }
156 /**
157 * Creates a builder by populating it with data from the given
158 * {@link NaturalLanguageTreeContract}.
159 *
160 * @param contract the contract from which to populate this builder
161 * @return an instance of the builder populated with data from the
162 * contract
163 * @throws IllegalArgumentException if the contract is null
164 */
165 public static NaturalLanguageTree.Builder create(NaturalLanguageTreeContract contract) {
166 if (contract == null) {
167 throw new IllegalArgumentException("contract is null");
168 }
169 NaturalLanguageTree.Builder builder = new NaturalLanguageTree.Builder(contract.getNaturalLanguage(), contract.getChildren());
170
171 return builder;
172 }
173
174 /**
175 * Builds an instance of a Natural Language Tree based on the current state of the
176 * builder.
177 *
178 * @return the fully-constructed Agenda
179 */
180 @Override
181 public NaturalLanguageTree build() {
182 return new NaturalLanguageTree(this);
183 }
184 }
185
186 /**
187 * Defines some constants used on this class.
188 */
189 public static class Constants {
190
191 final static String ROOT_ELEMENT_NAME = "naturalLanguageTree";
192 final static String TYPE_NAME = "NaturalLanguageTreeType";
193 final static String[] HASH_CODE_EQUALS_EXCLUDE = {"_futureElements"};
194 public final static String EVENT = "Event"; // key for event attribute
195 }
196
197 /**
198 * A private class which exposes constants which define the XML element
199 * names to use when this object is marshalled to XML.
200 */
201 public static class Elements {
202
203 final static String NATURAL_LANGUAGE = "naturalLanguage";
204 final static String CHILDREN = "children";
205 }
206
207 public static class Cache {
208
209 public static final String NAME = KrmsConstants.Namespaces.KRMS_NAMESPACE_2_0 + "/" + NaturalLanguageTree.Constants.TYPE_NAME;
210 }
211 }