kafka/hbase-kafka-proxy/src/main/java/org/apache/hadoop/hbase/kafka/TopicRule.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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.hadoop.hbase.kafka;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;

import org.apache.yetus.audience.InterfaceAudience;

/**
 * If the Cell matches the rule returns the configured topics.
 */
@InterfaceAudience.Private
public class TopicRule extends Rule {
  private Set<String> topics = new HashSet<>();

  public TopicRule(String topics) {
    this.topics.addAll(Arrays.stream(topics.split(",")).collect(Collectors.toList()));
  }

  public Set<String> getTopics() {
    return topics;
  }
}