/*
 * 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.dataset;

public interface IDatasetInputChannelMonitor {
    public void notifyFailure(IDatasetInputChannel channel);

    public void notifyDataAvailability(IDatasetInputChannel channel, int nFrames);

    public void notifyEndOfStream(IDatasetInputChannel channel);

    public boolean eosReached();

    public boolean failed();

    public int getNFramesAvailable();
}
/*
 * 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.dataset;

import edu.uci.ics.hyracks.api.channels.IInputChannelMonitor;

public interface IDatasetInputChannelMonitor extends IInputChannelMonitor {
    public boolean eosReached();

    public boolean failed();

    public int getNFramesAvailable();
}

Extend IDatasetInputChannelMonitor from IInputChannelMonitor rather than creating a new one altogether.