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/*
* Copyright 2014 Open Networking Laboratory
*
* 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.onlab.nio;
import java.io.IOException;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.spi.AbstractSelectableChannel;
import java.nio.channels.spi.AbstractSelector;
import java.util.Set;
/**
* A selector instrumented for unit tests.
*/
public class MockSelector extends AbstractSelector {
int wakeUpCount = 0;
/**
* Creates a mock selector, specifying null as the SelectorProvider.
*/
public MockSelector() {
super(null);
}
@Override
public String toString() {
return "{MockSelector: wake=" + wakeUpCount + "}";
}
@Override
protected void implCloseSelector() throws IOException {
}
@Override
protected SelectionKey register(AbstractSelectableChannel ch, int ops,
Object att) {
return null;
}
@Override
public Set<SelectionKey> keys() {
return null;
}
@Override
public Set<SelectionKey> selectedKeys() {
return null;
}
@Override
public int selectNow() throws IOException {
return 0;
}
@Override
public int select(long timeout) throws IOException {
return 0;
}
@Override
public int select() throws IOException {
return 0;
}
@Override
public Selector wakeup() {
wakeUpCount++;
return null;
}
}
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