001/* 002 * SonarQube, open source software quality management tool. 003 * Copyright (C) 2008-2014 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * SonarQube 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 * SonarQube 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 License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020package org.sonar.api.batch.fs.internal; 021 022import com.google.common.base.Predicate; 023import com.google.common.collect.Iterables; 024import org.sonar.api.batch.fs.FilePredicate; 025import org.sonar.api.batch.fs.FileSystem.Index; 026import org.sonar.api.batch.fs.InputFile; 027 028/** 029 * Partial implementation of {@link FilePredicate}. 030 * @since 5.1 031 */ 032public abstract class AbstractFilePredicate implements OptimizedFilePredicate { 033 034 protected static final int DEFAULT_PRIORITY = 10; 035 protected static final int USE_INDEX = 20; 036 037 @Override 038 public Iterable<InputFile> filter(Iterable<InputFile> target) { 039 return Iterables.filter(target, new Predicate<InputFile>() { 040 @Override 041 public boolean apply(InputFile input) { 042 return AbstractFilePredicate.this.apply(input); 043 } 044 }); 045 } 046 047 @Override 048 public Iterable<InputFile> get(Index index) { 049 return filter(index.inputFiles()); 050 } 051 052 @Override 053 public int priority() { 054 return DEFAULT_PRIORITY; 055 } 056 057 @Override 058 public final int compareTo(OptimizedFilePredicate o) { 059 return o.priority() - priority(); 060 } 061 062}