| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.hyracks.control.cc.job; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor; |
| import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor; |
| import edu.uci.ics.hyracks.api.dataflow.OperatorDescriptorId; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksException; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| |
| public class PlanUtils { |
| public static void visit(JobSpecification spec, IOperatorDescriptorVisitor visitor) throws HyracksException { |
| Set<OperatorDescriptorId> seen = new HashSet<OperatorDescriptorId>(); |
| for (IOperatorDescriptor op : spec.getOperatorMap().values()) { |
| visitOperator(visitor, seen, op); |
| } |
| } |
| |
| private static void visitOperator(IOperatorDescriptorVisitor visitor, Set<OperatorDescriptorId> seen, |
| IOperatorDescriptor op) throws HyracksException { |
| if (!seen.contains(op)) { |
| visitor.visit(op); |
| } |
| seen.add(op.getOperatorId()); |
| } |
| |
| public static void visit(JobSpecification spec, IConnectorDescriptorVisitor visitor) throws HyracksException { |
| for (IConnectorDescriptor c : spec.getConnectorMap().values()) { |
| visitor.visit(c); |
| } |
| } |
| } |