/*
* Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.yangtools.concepts;
import com.google.common.base.Preconditions;
import javax.annotation.Nonnull;
/**
* Utility registration handle. It is a convenience for register-style method
* which can return an AutoCloseable realized by a subclass of this class.
* Invoking the close() method triggers unregistration of the state the method
* installed.
*/
public abstract class AbstractObjectRegistration<T> extends AbstractRegistration implements ObjectRegistration<T> {
private final T instance;
protected AbstractObjectRegistration(final @Nonnull T instance) {
this.instance = Preconditions.checkNotNull(instance);
}
@Override
public final T getInstance() {
return instance;
}
@Override
public String toString() {
return "AbstractObjectRegistration{instance=" + instance + '}';
}
}