SPQRComponent.java

/**
 * Copyright 2014 Otto (GmbH & Co KG)
 *
 * 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
 * limitations under the License.
 */

package com.ottogroup.bi.spqr.pipeline.component.annotation;

import static java.lang.annotation.ElementType.TYPE;

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

import com.ottogroup.bi.spqr.pipeline.component.MicroPipelineComponentType;
import com.ottogroup.bi.spqr.pipeline.component.emitter.Emitter;
import com.ottogroup.bi.spqr.pipeline.component.operator.Operator;
import com.ottogroup.bi.spqr.pipeline.component.source.Source;


/**
 * Used to mark an implementation to be an SPQR {@link MicroPipelineComponentType component} ({@link Source}, {@link Operator} or {@link Emitter})
 * @author mnxfst
 * @since Oct 29, 2014
 *
 */
@Documented
@Target ( { TYPE } )
@Retention ( value = RetentionPolicy.RUNTIME )
public @interface SPQRComponent {

	MicroPipelineComponentType type();
	String name();
	String version();
	String description();
}