/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.apache.aries.blueprint.plugin.model;

import java.lang.annotation.Annotation;
import java.util.Set;

final class BeanRef implements Comparable<BeanRef> {
    final String id;
    final Class<?> clazz;
    private final Set<Annotation> qualifiers;

    BeanRef(Class<?> clazz, String id, Annotation[] qualifiers) {
        this.clazz = clazz;
        this.id = id;
        this.qualifiers = QualifierHelper.getQualifiers(qualifiers);
    }

    boolean matches(BeanTemplate template) {
        boolean assignable = template.clazz.isAssignableFrom(this.clazz);
        return assignable && qualifiers.containsAll(template.qualifiers);
    }

    @Override
    public int compareTo(BeanRef other) {
        return this.id.compareTo(other.id);
    }

    boolean conflictsWith(BeanRef bean) {
        return id.equals(bean.id) && !clazz.equals(bean.clazz);
    }
}
