/** * 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.hadoop.hive.ql.io.orc.encoded; /** * Data consumer; an equivalent of a data queue for an asynchronous data producer. */ public interface Consumer<T> { /** Some data has been produced. */ public void consumeData(T data); /** No more data will be produced; done */ public void setDone(); /** No more data will be produced; error during production */ public void setError(Throwable t); }