001 /*
002 * JBoss DNA (http://www.jboss.org/dna)
003 * See the COPYRIGHT.txt file distributed with this work for information
004 * regarding copyright ownership. Some portions may be licensed
005 * to Red Hat, Inc. under one or more contributor license agreements.
006 * See the AUTHORS.txt file in the distribution for a full listing of
007 * individual contributors.
008 *
009 * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
010 * is licensed to you under the terms of the GNU Lesser General Public License as
011 * published by the Free Software Foundation; either version 2.1 of
012 * the License, or (at your option) any later version.
013 *
014 * JBoss DNA is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017 * Lesser General Public License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this software; if not, write to the Free
021 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
022 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
023 */
024 package org.jboss.dna.connector.federation.contribution;
025
026 import java.util.Iterator;
027 import net.jcip.annotations.Immutable;
028 import org.jboss.dna.graph.Location;
029 import org.jboss.dna.graph.property.DateTime;
030 import org.jboss.dna.graph.property.Name;
031 import org.jboss.dna.graph.property.Property;
032
033 /**
034 * The record of a source contributing only properties to a node.
035 *
036 * @author Randall Hauch
037 */
038 @Immutable
039 public class ThreePropertyContribution extends NonEmptyContribution {
040
041 /**
042 * This is the first version of this class. See the documentation of MergePlan.serialVersionUID.
043 */
044 private static final long serialVersionUID = 1L;
045
046 private final Property property1;
047 private final Property property2;
048 private final Property property3;
049
050 /**
051 * Create a contribution of node properties from the source with the supplied name.
052 *
053 * @param sourceName the name of the source, which may not be null or blank
054 * @param workspaceName the name of the workspace, which may not be null or blank
055 * @param locationInSource the location in the source for this contributed information; may not be null
056 * @param expirationTime the time (in UTC) after which this contribution should be considered expired, or null if there is no
057 * expiration time
058 * @param property1 the first property from the source; may not be null
059 * @param property2 the second property from the source; may not be null
060 * @param property3 the third property from the source; may not be null
061 */
062 public ThreePropertyContribution( String sourceName,
063 String workspaceName,
064 Location locationInSource,
065 DateTime expirationTime,
066 Property property1,
067 Property property2,
068 Property property3 ) {
069 super(sourceName, workspaceName, locationInSource, expirationTime);
070 assert property1 != null;
071 assert property1.isEmpty() == false;
072 assert property2 != null;
073 assert property2.isEmpty() == false;
074 assert property3 != null;
075 assert property3.isEmpty() == false;
076 this.property1 = property1;
077 this.property2 = property2;
078 this.property3 = property3;
079 if (ContributionStatistics.RECORD) ContributionStatistics.record(3, 0);
080 }
081
082 /**
083 * {@inheritDoc}
084 *
085 * @see org.jboss.dna.connector.federation.contribution.Contribution#getProperties()
086 */
087 @Override
088 public Iterator<Property> getProperties() {
089 return new ThreeValueIterator<Property>(property1, property2, property3);
090 }
091
092 /**
093 * {@inheritDoc}
094 *
095 * @see org.jboss.dna.connector.federation.contribution.Contribution#getPropertyCount()
096 */
097 @Override
098 public int getPropertyCount() {
099 return 3;
100 }
101
102 /**
103 * {@inheritDoc}
104 *
105 * @see org.jboss.dna.connector.federation.contribution.Contribution#getProperty(org.jboss.dna.graph.property.Name)
106 */
107 @Override
108 public Property getProperty( Name name ) {
109 if (this.property1.getName().equals(name)) return property1;
110 if (this.property2.getName().equals(name)) return property2;
111 if (this.property3.getName().equals(name)) return property3;
112 return null;
113 }
114
115 }