org.opendaylight.yangtools.concepts.AbstractObjectRegistration Maven / Gradle / Ivy
/*
* 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 static java.util.Objects.requireNonNull;
import com.google.common.base.MoreObjects.ToStringHelper;
import org.eclipse.jdt.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 extends AbstractRegistration implements ObjectRegistration {
private final T instance;
protected AbstractObjectRegistration(final @NonNull T instance) {
this.instance = requireNonNull(instance);
}
@Override
public final T getInstance() {
return instance;
}
@Override
protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
return super.addToStringAttributes(toStringHelper).add("instance", instance);
}
}