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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 java.nio.channels;
import java.io.IOException;
import java.nio.channels.spi.AbstractSelectableChannel;
import java.nio.channels.spi.SelectorProvider;
public abstract class Pipe {
public static abstract class SourceChannel extends AbstractSelectableChannel implements ReadableByteChannel, ScatteringByteChannel {
protected SourceChannel(SelectorProvider provider) {
super(provider);
}
public final int validOps() {
return SelectionKey.OP_READ;
}
}
public static abstract class SinkChannel extends AbstractSelectableChannel implements WritableByteChannel, GatheringByteChannel {
protected SinkChannel(SelectorProvider provider) {
super(provider);
}
public final int validOps() {
return SelectionKey.OP_WRITE;
}
}
protected Pipe() {
}
public abstract SourceChannel source();
public abstract SinkChannel sink();
public static Pipe open() throws IOException {
return SelectorProvider.provider().openPipe();
}
}