001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2009 SonarSource SA
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.api.batch;
021    
022    import org.apache.commons.lang.builder.ToStringBuilder;
023    import org.sonar.api.database.model.Snapshot;
024    
025    /**
026     * 
027     * @since 1.10
028     */
029    public class PurgeContext {
030    
031      private Integer currentSid;
032      private Integer lastSid;
033    
034      public PurgeContext() {
035      }
036    
037      public PurgeContext(Snapshot currentSnapshot) {
038        this(currentSnapshot, null);
039      }
040    
041      public PurgeContext(Snapshot currentSnapshot, Snapshot lastSnapshot) {
042        if (currentSnapshot != null) {
043          currentSid = currentSnapshot.getId();
044        }
045        if (lastSnapshot != null) {
046          lastSid = lastSnapshot.getId();
047        }
048      }
049    
050      public PurgeContext(Integer currentSid, Integer lastSid) {
051        this.currentSid = currentSid;
052        this.lastSid = lastSid;
053      }
054    
055      public PurgeContext setLastSnapshotId(Integer lastSid) {
056        this.lastSid = lastSid;
057        return this;
058      }
059    
060      public PurgeContext setCurrentSnapshotId(Integer currentSid) {
061        this.currentSid = currentSid;
062        return this;
063      }
064    
065      public Integer getPreviousSnapshotId() {
066        return lastSid;
067      }
068    
069      public Integer getLastSnapshotId() {
070        return currentSid;
071      }
072    
073      @Override
074      public boolean equals(Object o) {
075        if (this == o) {
076          return true;
077        }
078        if (o == null || getClass() != o.getClass()) {
079          return false;
080        }
081    
082        PurgeContext context = (PurgeContext) o;
083    
084        if (!currentSid.equals(context.currentSid)) {
085          return false;
086        }
087        if (lastSid != null ? !lastSid.equals(context.lastSid) : context.lastSid != null) {
088          return false;
089        }
090    
091        return true;
092      }
093    
094      @Override
095      public int hashCode() {
096        int result = lastSid != null ? lastSid.hashCode() : 0;
097        result = 31 * result + currentSid.hashCode();
098        return result;
099      }
100    
101      @Override
102      public String toString() {
103        return new ToStringBuilder(this)
104            .append("currentSid", currentSid)
105            .append("lastSid", lastSid)
106            .toString();
107      }
108    }