/**
* Copyright 2009 Google Inc.
*
* 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 at
*
* 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 org.waveprotocol.wave.concurrencycontrol.wave;
import org.waveprotocol.wave.model.operation.wave.WaveletOperation;
import org.waveprotocol.wave.model.id.WaveletId;
import org.waveprotocol.wave.model.operation.SilentOperationSink;
/**
* Factory for creating op taps
*
*/
public interface DuplexOpSinkFactory {
DuplexOpSink create(WaveletId waveletId, FlushingOperationSink<WaveletOperation> fromChannel,
SilentOperationSink<? super WaveletOperation> toChannel);
final DuplexOpSinkFactory PASS_THROUGH = new DuplexOpSinkFactory() {
@Override
public DuplexOpSink create(WaveletId waveletId,
final FlushingOperationSink<WaveletOperation> fromChannel,
final SilentOperationSink<? super WaveletOperation> toChannel) {
return new DuplexOpSink() {
@Override
public FlushingOperationSink<WaveletOperation> incoming() {
return fromChannel;
}
@Override
public SilentOperationSink<? super WaveletOperation> outgoing() {
return toChannel;
}
};
}};
}