| /* |
| * 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.dataflow.std.base; |
| |
| import org.json.JSONException; |
| import org.json.JSONObject; |
| |
| import edu.uci.ics.hyracks.api.application.ICCApplicationContext; |
| import edu.uci.ics.hyracks.api.constraints.IConstraintAcceptor; |
| import edu.uci.ics.hyracks.api.dataflow.ConnectorDescriptorId; |
| import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor; |
| import edu.uci.ics.hyracks.api.job.JobActivityGraph; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| |
| public abstract class AbstractConnectorDescriptor implements IConnectorDescriptor { |
| private static final long serialVersionUID = 1L; |
| protected final ConnectorDescriptorId id; |
| |
| public AbstractConnectorDescriptor(JobSpecification spec) { |
| this.id = spec.createConnectorDescriptor(); |
| spec.getConnectorMap().put(id, this); |
| } |
| |
| public ConnectorDescriptorId getConnectorId() { |
| return id; |
| } |
| |
| @Override |
| public JSONObject toJSON() throws JSONException { |
| JSONObject jconn = new JSONObject(); |
| |
| jconn.put("type", "connector"); |
| jconn.put("id", getConnectorId().getId()); |
| jconn.put("java-class", getClass().getName()); |
| |
| return jconn; |
| } |
| |
| @Override |
| public void contributeSchedulingConstraints(IConstraintAcceptor constraintAcceptor, JobActivityGraph plan, |
| ICCApplicationContext appCtx) { |
| // do nothing |
| } |
| } |