PartitionerPlugin.java

/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2013 by Pentaho : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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package org.pentaho.di.core.annotations;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * An alternate way of defining partiioners. Classes annotated with "PartitionerPlugin" are automatically recognized and
 * registered as a partitioner plugin.
 *
 * Important: The XML definitions alienate annoated steps and the two methods of definition are therefore mutually
 * exclusive.
 *
 * @author Alex Silva
 *
 */
@Documented
@Retention( RetentionPolicy.RUNTIME )
@Target( ElementType.TYPE )
public @interface PartitionerPlugin {
  String id();

  String name() default "";

  String description() default "";

  String i18nPackageName() default "";

  String classLoaderGroup() default "";
}