org.glassfish.hk2.utilities.ContextualInput Maven / Gradle / Ivy
/*
* Copyright (c) 2014, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.hk2.utilities;
import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.ServiceHandle;
/**
* Used by several contexts for keeping the inputs of
* {@link org.glassfish.hk2.api.Context#findOrCreate(ActiveDescriptor, ServiceHandle)}.
* May be used as the key in a HashMap, where the criteria for equality
* is the equality of the Descriptor
*
* @author jwells
*/
public class ContextualInput {
private final ActiveDescriptor descriptor;
private final ServiceHandle root;
/**
* The inputs from the {@link org.glassfish.hk2.api.Context#findOrCreate(ActiveDescriptor, ServiceHandle)}
* method
*
* @param descriptor The non-null descriptor associated with a contextual creation
* @param root The possibly null root associated with a contextual creation
*/
public ContextualInput(ActiveDescriptor descriptor, ServiceHandle root) {
this.descriptor = descriptor;
this.root = root;
}
/**
* Returns the descriptor associated with this contextual creation
* @return The non-null descriptor associated with this creation
*/
public ActiveDescriptor getDescriptor() {
return descriptor;
}
/**
* Returns the {@link ServiceHandle} root associated with this
* contextual creation
*
* @return The possibly null root associated with this creation
*/
public ServiceHandle getRoot() {
return root;
}
@Override
public int hashCode() {
return descriptor.hashCode();
}
@SuppressWarnings("unchecked")
@Override
public boolean equals(Object o) {
if (o == null) return false;
if (!(o instanceof ContextualInput)) return false;
ContextualInput other = (ContextualInput) o;
return descriptor.equals(other.descriptor);
}
@Override
public String toString() {
return "ContextualInput(" + descriptor.getImplementation() + "," + root + "," + System.identityHashCode(this) + ")";
}
}