001    /**
002     * Copyright 2005-2012 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    package org.kuali.rice.kew.api.document.attribute;
017    
018    import javax.xml.bind.annotation.XmlAccessType;
019    import javax.xml.bind.annotation.XmlAccessorType;
020    import javax.xml.bind.annotation.XmlElement;
021    import javax.xml.bind.annotation.XmlRootElement;
022    import javax.xml.bind.annotation.XmlType;
023    import java.math.BigInteger;
024    
025    /**
026     * A document attribute which contains integer data.  Construct instances of {@code DocumentAttributeInteger} using
027     * it's builder or the {@link DocumentAttributeFactory}.
028     *
029     * @author Kuali Rice Team (rice.collab@kuali.org)
030     */
031    @XmlRootElement(name = DocumentAttributeInteger.Constants.ROOT_ELEMENT_NAME)
032    @XmlAccessorType(XmlAccessType.NONE)
033    @XmlType(name = DocumentAttributeInteger.Constants.TYPE_NAME, propOrder = {
034        DocumentAttributeInteger.Elements.VALUE
035    })
036    public final class DocumentAttributeInteger extends DocumentAttribute {
037    
038        @XmlElement(name = Elements.VALUE, required = false)
039        private final BigInteger value;
040    
041        @SuppressWarnings("unused")
042        private DocumentAttributeInteger() {
043            this.value = null;
044        }
045    
046        private DocumentAttributeInteger(Builder builder) {
047            super(builder.getName());
048            this.value = builder.getValue();
049        }
050    
051        @Override
052        public BigInteger getValue() {
053            return value;
054        }
055    
056        @Override
057        public DocumentAttributeDataType getDataType() {
058            return DocumentAttributeDataType.INTEGER;
059        }
060    
061        /**
062         * A builder implementation which allows for construction of a {@code DocumentAttributeInteger}.
063         */
064        public static final class Builder extends AbstractBuilder<BigInteger> {
065    
066            private Builder(String name) {
067                super(name);
068            }
069    
070            /**
071             * Create a builder for the document attribute using the given attribute name.
072             *
073             * @param name the name of the document attribute which should be built by this builder, should never be a
074             * null or blank value
075             * @return a builder instance initialized with the given attribute name
076             */
077            public static Builder create(String name) {
078                return new Builder(name);
079            }
080    
081            @Override
082            public DocumentAttributeDataType getDataType() {
083                return DocumentAttributeDataType.INTEGER;
084            }
085    
086            @Override
087            public DocumentAttributeInteger build() {
088                return new DocumentAttributeInteger(this);
089            }
090    
091        }
092    
093        /**
094         * Defines some internal constants used on this class.
095         */
096        static class Constants {
097            final static String ROOT_ELEMENT_NAME = "documentAttributeInteger";
098            final static String TYPE_NAME = "DocumentAttributeIntegerType";
099        }
100    
101        /**
102         * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.
103         */
104        static class Elements {
105            final static String VALUE = "value";
106        }
107    
108    }