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     */
020    package org.sonar.api.batch;
021    
022    import java.lang.annotation.ElementType;
023    import java.lang.annotation.Retention;
024    import java.lang.annotation.RetentionPolicy;
025    import java.lang.annotation.Target;
026    
027    /**
028     * Define instantiation strategy of batch extensions. If an extension is not annotated, then default value
029     * is {@link org.sonar.api.batch.InstantiationStrategy#PER_PROJECT}.
030     * @since 4.4
031     */
032    @Retention(RetentionPolicy.RUNTIME)
033    @Target(ElementType.TYPE)
034    public @interface InstantiationStrategy {
035    
036      /**
037       * Shared extension. Lifecycle is the full analysis.
038       */
039      String PER_BATCH = "PER_BATCH";
040    
041      /**
042       * Created and initialized for each project and sub-project (a project is a module in Maven terminology).
043       */
044      String PER_PROJECT = "PER_PROJECT";
045    
046      String value();
047    }