2 * Sonar, open source software quality management tool.
3 * Copyright (C) 2008-2012 SonarSource
4 * mailto:contact AT sonarsource DOT com
6 * Sonar is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 3 of the License, or (at your option) any later version.
11 * Sonar is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Sonar; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
20 package org.sonar.plugins.dbcleaner.period;
22 import java.util.Date;
23 import java.util.GregorianCalendar;
25 import org.sonar.api.database.model.Snapshot;
27 class KeepOneSnapshotByPeriodBetweenTwoDatesFilter extends SnapshotFilter {
29 private final Date before;
30 private final Date after;
31 private GregorianCalendar calendar = new GregorianCalendar();
32 private int lastFieldValue = -1;
33 private final int dateField;
35 KeepOneSnapshotByPeriodBetweenTwoDatesFilter(int dateField, Date before, Date after) {
38 this.dateField = dateField;
42 boolean filter(Snapshot snapshot) {
43 boolean result = false;
44 Date createdAt = snapshot.getCreatedAt();
45 calendar.setTime(createdAt);
46 int currentFieldValue = calendar.get(dateField);
47 if (lastFieldValue != currentFieldValue && snapshot.getCreatedAt().after(after) && snapshot.getCreatedAt().before(before)) {
50 lastFieldValue = currentFieldValue;