/*
c * 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.flink.api.common.io;
import org.apache.flink.annotation.Public;
import org.apache.flink.api.common.functions.RuntimeContext;
/**
* An abstract stub implementation for Rich output formats.
* Rich formats have access to their runtime execution context via {@link #getRuntimeContext()}.
*/
@Public
public abstract class RichOutputFormat<IT> implements OutputFormat<IT> {
private static final long serialVersionUID = 1L;
// --------------------------------------------------------------------------------------------
// Runtime context access
// --------------------------------------------------------------------------------------------
private transient RuntimeContext runtimeContext;
public void setRuntimeContext(RuntimeContext t) {
this.runtimeContext = t;
}
public RuntimeContext getRuntimeContext() {
if (this.runtimeContext != null) {
return this.runtimeContext;
} else {
throw new IllegalStateException("The runtime context has not been initialized yet. Try accessing " +
"it in one of the other life cycle methods.");
}
}
}