org.drools.core.rule.BaseAnnotatedAsset Maven / Gradle / Ivy
/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.core.rule;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.util.Map;
/**
* A base class for all annotated assets
*
*/
public class BaseAnnotatedAsset implements AnnotatedElement {
private Map,Annotation> annotations;
private static final Annotation[] EMPTY_ANN_ARRAY = new Annotation[0];
@SuppressWarnings("unchecked")
public T getAnnotation( Class annotation ) {
return (T) annotations.get( annotation );
}
public Annotation[] getAnnotations() {
return annotations.values().toArray(EMPTY_ANN_ARRAY);
}
public Annotation[] getDeclaredAnnotations() {
return annotations.values().toArray(EMPTY_ANN_ARRAY);
}
public boolean isAnnotationPresent( Class annotation ) {
return annotations.containsKey( annotation );
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ( ( annotations == null ) ? 0 : annotations.hashCode() );
return result;
}
@Override
public boolean equals( Object obj ) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
BaseAnnotatedAsset other = (BaseAnnotatedAsset) obj;
if (annotations == null) {
if (other.annotations != null)
return false;
} else if (!annotations.equals( other.annotations ))
return false;
return true;
}
}