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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
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*/
package org.jvnet.hk2.internal;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.glassfish.hk2.api.DescriptorType;
import org.glassfish.hk2.api.DescriptorVisibility;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceHandle;
import org.glassfish.hk2.utilities.AbstractActiveDescriptor;
/**
* @author jwells
* @param The type of the constant
*
*/
public class ConstantActiveDescriptor extends AbstractActiveDescriptor {
/**
* For serialization
*/
private static final long serialVersionUID = 3663054975929743877L;
private T theOne;
private Long locatorId;
/**
* For serialization
*/
public ConstantActiveDescriptor() {
super();
}
/**
* Creates a constant active descriptor with the given locator ID
*
* @param theOne the object to create it from
* @param locatorId The id of the locator this is being created for
*/
public ConstantActiveDescriptor(T theOne, long locatorId) {
super(new HashSet(),
PerLookup.class,
null,
new HashSet(),
DescriptorType.CLASS,
DescriptorVisibility.NORMAL,
0,
null,
null,
Utilities.getAutoAnalyzerName(theOne.getClass()),
null);
this.theOne = theOne;
this.locatorId = locatorId;
}
/**
* Constructor with more control over the fields of the descriptor
*
* @param theOne The non-null constant
* @param advertisedContracts its advertised contracts
* @param scope its scope
* @param name its possibly null name
* @param qualifiers its set of qualifiers
* @param visibility its visibility
* @param ranking its starting rank
* @param proxy can it be proxied (null for default)
* @param proxyForSameScope will it be proxied for the same scope (null for default)
* @param analyzerName The name of the analyzer (null for default)
* @param locatorId its locator parent
* @param metadata The metadata associated with it
*/
public ConstantActiveDescriptor(T theOne,
Set advertisedContracts,
Class scope,
String name,
Set qualifiers,
DescriptorVisibility visibility,
int ranking,
Boolean proxy,
Boolean proxyForSameScope,
String analyzerName,
long locatorId,
Map> metadata) {
super(advertisedContracts,
scope,
name,
qualifiers,
DescriptorType.CLASS,
visibility,
ranking,
proxy,
proxyForSameScope,
analyzerName,
metadata);
if (theOne == null) throw new IllegalArgumentException();
this.theOne = theOne;
this.locatorId = locatorId;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Descriptor#getImplementation()
*/
@Override
public String getImplementation() {
return theOne.getClass().getName();
}
public Long getLocatorId() {
return locatorId;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.SingleCache#getCache()
*/
@Override
public T getCache() {
return theOne;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.SingleCache#isCacheSet()
*/
@Override
public boolean isCacheSet() {
return true;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.ActiveDescriptor#getImplementationClass()
*/
@Override
public Class getImplementationClass() {
return theOne.getClass();
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.ActiveDescriptor#create(org.glassfish.hk2.api.ServiceHandle)
*/
@Override
public T create(ServiceHandle root) {
return theOne;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.ActiveDescriptor#dispose(java.lang.Object, org.glassfish.hk2.api.ServiceHandle)
*/
@Override
public void dispose(T instance) {
// Do nothing
}
}