| /* |
| * Copyright 2009-2013 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.pregelix.dataflow; |
| |
| import org.apache.commons.lang3.tuple.Pair; |
| |
| import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor; |
| import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor; |
| import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicy; |
| import edu.uci.ics.hyracks.api.dataflow.connectors.IConnectorPolicyAssignmentPolicy; |
| import edu.uci.ics.hyracks.api.dataflow.connectors.PipeliningConnectorPolicy; |
| import edu.uci.ics.hyracks.api.dataflow.connectors.SendSideMaterializedPipeliningConnectorPolicy; |
| import edu.uci.ics.hyracks.api.dataflow.connectors.SendSidePipeliningReceiveSideMaterializedBlockingConnectorPolicy; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexInsertUpdateDeleteOperatorDescriptor; |
| |
| public class ConnectorPolicyAssignmentPolicy implements IConnectorPolicyAssignmentPolicy { |
| private static final long serialVersionUID = 1L; |
| private final IConnectorPolicy senderSideMatPipPolicy = new SendSideMaterializedPipeliningConnectorPolicy(); |
| private final IConnectorPolicy senderSidePipeliningReceiverSideMatBlkPolicy = new SendSidePipeliningReceiveSideMaterializedBlockingConnectorPolicy(); |
| private final IConnectorPolicy pipeliningPolicy = new PipeliningConnectorPolicy(); |
| private final JobSpecification spec; |
| |
| public ConnectorPolicyAssignmentPolicy(JobSpecification spec) { |
| this.spec = spec; |
| } |
| |
| @Override |
| public IConnectorPolicy getConnectorPolicyAssignment(IConnectorDescriptor c, int nProducers, int nConsumers, |
| int[] fanouts) { |
| if (c.getClass().getName().contains("MToNPartitioningMergingConnectorDescriptor")) { |
| return senderSideMatPipPolicy; |
| } else { |
| Pair<Pair<IOperatorDescriptor, Integer>, Pair<IOperatorDescriptor, Integer>> endPoints = spec |
| .getConnectorOperatorMap().get(c.getConnectorId()); |
| IOperatorDescriptor consumer = endPoints.getRight().getLeft(); |
| if (consumer instanceof TreeIndexInsertUpdateDeleteOperatorDescriptor) { |
| return senderSidePipeliningReceiverSideMatBlkPolicy; |
| } else { |
| return pipeliningPolicy; |
| } |
| } |
| } |
| } |