/*
* 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.java.operators.translation;
import org.apache.flink.annotation.Internal;
import org.apache.flink.api.common.functions.AbstractRichFunction;
import org.apache.flink.api.common.functions.Function;
import org.apache.flink.api.common.functions.RuntimeContext;
import org.apache.flink.api.common.functions.util.FunctionUtils;
import org.apache.flink.configuration.Configuration;
@Internal
public abstract class WrappingFunction<T extends Function> extends AbstractRichFunction {
private static final long serialVersionUID = 1L;
protected T wrappedFunction;
protected WrappingFunction(T wrappedFunction) {
this.wrappedFunction = wrappedFunction;
}
@Override
public void open(Configuration parameters) throws Exception {
FunctionUtils.openFunction(this.wrappedFunction, parameters);
}
@Override
public void close() throws Exception {
FunctionUtils.closeFunction(this.wrappedFunction);
}
@Override
public void setRuntimeContext(RuntimeContext t) {
super.setRuntimeContext(t);
FunctionUtils.setFunctionRuntimeContext(this.wrappedFunction, t);
}
public T getWrappedFunction () {
return this.wrappedFunction;
}
}