storm-client/src/jvm/org/apache/storm/trident/operation/BaseOperation.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The ASF licenses this file to you 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 org.apache.storm.trident.operation;

import java.util.Map;

/**
 * Convenience implementation of the {@link org.apache.storm.trident.operation.Operation} interface.
 *
 * <p>Provides no-op implementations of the `prepare()` and `cleanup()` methods.
 */
public class BaseOperation implements Operation {

    /**
     * No-op implementation.
     *
     * @param conf    the Storm configuration map
     * @param context the operation context which provides information such as the number of partitions in the stream, and the current
     *                partition index. It also provides methods for registering operation-specific metrics.
     */
    @Override
    public void prepare(Map<String, Object> conf, TridentOperationContext context) {
    }

    /**
     * No-op implemnation.
     */
    @Override
    public void cleanup() {
    }

}