/**
* 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.lib;
import java.util.Stack;
import org.apache.hadoop.hive.ql.parse.SemanticException;
/**
* CompositeProcessor. Holds a list of node processors to be fired by the same
* rule.
*
*/
public class CompositeProcessor implements NodeProcessor {
NodeProcessor[] procs;
public CompositeProcessor(NodeProcessor...nodeProcessors) {
procs = nodeProcessors;
}
@Override
public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx, Object... nodeOutputs)
throws SemanticException {
for (NodeProcessor proc: procs) {
proc.process(nd, stack, procCtx, nodeOutputs);
}
return null;
}
}