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/*******************************************************************************
* Copyright (c) 2004, 2013 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.internal.location;
import java.io.IOException;
/**
* Internal class.
*/
public interface Locker {
public boolean lock() throws IOException;
public boolean isLocked() throws IOException;
public void release();
static class MockLocker implements Locker {
/**
* @throws IOException
*/
@Override
public boolean lock() throws IOException {
// locking always successful
return true;
}
@Override
public boolean isLocked() {
// this lock is never locked
return false;
}
@Override
public void release() {
// nothing to release
}
}
}
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