hyracks-api/src/main/java/edu/uci/ics/hyracks/api/context/IHyracksTaskContext.java

/*
 * 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.api.context;

import edu.uci.ics.hyracks.api.dataflow.ActivityId;
import edu.uci.ics.hyracks.api.dataflow.TaskAttemptId;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory;
import edu.uci.ics.hyracks.api.job.profiling.counters.ICounterContext;
import edu.uci.ics.hyracks.api.resources.IDeallocatableRegistry;

public interface IHyracksTaskContext extends IHyracksCommonContext, IWorkspaceFileFactory, IDeallocatableRegistry {
    public IHyracksJobletContext getJobletContext();

    public TaskAttemptId getTaskAttemptId();

    public ICounterContext getCounterContext();

    public Object lookupGlobalVariable(ActivityId producerActivity, int partition, String varName)
            throws HyracksDataException;

    public Object lookupLocalVariable(ActivityId producerActivity, int partition, String varName)
            throws HyracksDataException;

    public void setVariable(String name, Object value) throws HyracksDataException;
}