org.apache.flink.runtime.io.network.partition.consumer.InputGateListener 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,
* 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.apache.flink.runtime.io.network.partition.consumer;
/**
* Listener interface implemented by consumers of {@link InputGate} instances
* that want to be notified of availability of buffer or event instances.
*/
public interface InputGateListener {
/**
* Notification callback if the input gate moves from zero to non-zero
* available input channels with data.
*
* @param inputGate Input Gate that became available.
*/
void notifyInputGateNonEmpty(InputGate inputGate);
}