org.apache.hudi.common.util.queue.FunctionBasedQueueProducer Maven / Gradle / Ivy
/*
* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hudi.common.util.queue;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import java.util.function.Function;
/**
* Buffer producer which allows custom functions to insert entries to queue.
*
* @param Type of entry produced for queue
*/
public class FunctionBasedQueueProducer implements BoundedInMemoryQueueProducer {
private static final Logger LOG = LogManager.getLogger(FunctionBasedQueueProducer.class);
private final Function, Boolean> producerFunction;
public FunctionBasedQueueProducer(Function, Boolean> producerFunction) {
this.producerFunction = producerFunction;
}
@Override
public void produce(BoundedInMemoryQueue queue) {
LOG.info("starting function which will enqueue records");
producerFunction.apply(queue);
LOG.info("finished function which will enqueue records");
}
}