org.sonar.api.batch.fs.internal.AbstractFilePredicate.java Source code

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Here is the source code for org.sonar.api.batch.fs.internal.AbstractFilePredicate.java

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/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.api.batch.fs.internal;

import com.google.common.collect.Iterables;
import org.sonar.api.batch.fs.FileSystem.Index;
import org.sonar.api.batch.fs.InputFile;

/**
 * Partial implementation of {@link OptimizedFilePredicate}.
 * @since 5.1
 */
public abstract class AbstractFilePredicate implements OptimizedFilePredicate {

    protected static final int DEFAULT_PRIORITY = 10;
    protected static final int USE_INDEX = 20;

    @Override
    public Iterable<InputFile> filter(Iterable<InputFile> target) {
        return Iterables.filter(target, this::apply);
    }

    @Override
    public Iterable<InputFile> get(Index index) {
        return filter(index.inputFiles());
    }

    @Override
    public int priority() {
        return DEFAULT_PRIORITY;
    }

    @Override
    public final int compareTo(OptimizedFilePredicate o) {
        return o.priority() - priority();
    }

}