fullstack/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/IOperatorNodePushable.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.dataflow;

import edu.uci.ics.hyracks.api.comm.IFrameWriter;
import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;

public interface IOperatorNodePushable {
    public void initialize() throws HyracksDataException;

    public void deinitialize() throws HyracksDataException;

    public int getInputArity();

    public void setOutputFrameWriter(int index, IFrameWriter writer, RecordDescriptor recordDesc);

    public IFrameWriter getInputFrameWriter(int index);

    public String getDisplayName();
}