org.jvnet.hk2.internal.SystemInjecteeImpl Maven / Gradle / Ivy
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package org.jvnet.hk2.internal;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Set;
import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.Injectee;
import org.glassfish.hk2.api.Unqualified;
import org.glassfish.hk2.utilities.reflection.Pretty;
import org.glassfish.hk2.utilities.reflection.ReflectionHelper;
/**
* This is an implementation of Injectee that is used by the system.
*
* @author jwells
*
*/
public class SystemInjecteeImpl implements Injectee {
private final Type requiredType;
private final Set qualifiers;
private final int position;
private final Class pClass;
private final AnnotatedElement parent;
private final boolean isOptional;
private final boolean isSelf;
private final Unqualified unqualified;
private ActiveDescriptor injecteeDescriptor;
private final Object parentIdentifier;
/* package */ SystemInjecteeImpl(
Type requiredType,
Set qualifiers,
int position,
AnnotatedElement parent,
boolean isOptional,
boolean isSelf,
Unqualified unqualified,
ActiveDescriptor injecteeDescriptor) {
this.requiredType = requiredType;
this.position = position;
this.parent = parent;
this.qualifiers = Collections.unmodifiableSet(qualifiers);
this.isOptional = isOptional;
this.isSelf = isSelf;
this.unqualified = unqualified;
this.injecteeDescriptor = injecteeDescriptor;
if (parent instanceof Field) {
pClass = ((Field) parent).getDeclaringClass();
parentIdentifier = ((Field) parent).getName();
}
else if (parent instanceof Constructor) {
pClass = ((Constructor) parent).getDeclaringClass();
parentIdentifier = pClass;
}
else {
pClass = ((Method) parent).getDeclaringClass();
parentIdentifier = ReflectionHelper.createMethodWrapper((Method) parent);
}
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Injectee#getRequiredType()
*/
@Override
public Type getRequiredType() {
return requiredType;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Injectee#getRequiredQualifiers()
*/
@Override
public Set getRequiredQualifiers() {
return qualifiers;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Injectee#getPosition()
*/
@Override
public int getPosition() {
return position;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Injectee#getInjecteeClass()
*/
@Override
public Class getInjecteeClass() {
return pClass;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Injectee#getParent()
*/
@Override
public AnnotatedElement getParent() {
return parent;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Injectee#isOptional()
*/
@Override
public boolean isOptional() {
return isOptional;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Injectee#isSelf()
*/
@Override
public boolean isSelf() {
return isSelf;
}
@Override
public Unqualified getUnqualified() {
return unqualified;
}
@Override
public ActiveDescriptor getInjecteeDescriptor() {
return injecteeDescriptor;
}
/* package */ void resetInjecteeDescriptor(ActiveDescriptor injecteeDescriptor) {
this.injecteeDescriptor = injecteeDescriptor;
}
@Override
public int hashCode() {
return position ^ parentIdentifier.hashCode() ^ pClass.hashCode() ;
}
@Override
public boolean equals(Object o) {
if (o == null) return false;
if (!(o instanceof SystemInjecteeImpl)) return false;
SystemInjecteeImpl other = (SystemInjecteeImpl) o;
if (position != other.getPosition()) return false;
if (!pClass.equals(other.getInjecteeClass())) return false;
return parentIdentifier.equals(other.parentIdentifier);
}
@Override
public String toString() {
return "SystemInjecteeImpl(requiredType=" + Pretty.type(requiredType) +
",parent=" + Pretty.clazz(pClass) +
",qualifiers=" + Pretty.collection(qualifiers) +
",position=" + position +
",optional=" + isOptional +
",self=" + isSelf +
",unqualified=" + unqualified +
"," + System.identityHashCode(this) + ")";
}
}