/*
 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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.jboss.weld.resolution;

import java.util.Set;

import org.jboss.weld.bean.DisposalMethod;
import org.jboss.weld.config.WeldConfiguration;
import org.jboss.weld.util.Beans;

/**
 * @author pmuir
 */
public class TypeSafeDisposerResolver extends TypeSafeResolver<Resolvable, DisposalMethod<?, ?>, Set<DisposalMethod<?, ?>>, Set<DisposalMethod<?, ?>>> {

    private final AssignabilityRules rules;

    public TypeSafeDisposerResolver(Iterable<DisposalMethod<?, ?>> disposers, WeldConfiguration configuration) {
        super(disposers, configuration);
        this.rules = BeanTypeAssignabilityRules.instance();
    }

    @Override
    protected boolean matches(Resolvable resolvable, DisposalMethod<?, ?> disposer) {
        return resolvable.getDeclaringBean().equals(disposer.getDeclaringBean()) && rules.matches(disposer.getGenericType(), resolvable.getTypes()) && Beans.containsAllQualifiers(disposer.getRequiredQualifiers(), resolvable.getQualifiers());
    }

    @Override
    protected Resolvable wrap(final Resolvable resolvable) {
        return new ForwardingResolvable() {

            @Override
            protected Resolvable delegate() {
                return resolvable;
            }

            @Override
            public boolean equals(Object o) {
                if (o instanceof Resolvable) {
                    if (super.equals(o)) {
                        Resolvable r = (Resolvable) o;
                        return r.getDeclaringBean().equals(getDeclaringBean());
                    }
                }
                return false;
            }

            @Override
            public int hashCode() {
                return 31 * super.hashCode() + getDeclaringBean().hashCode();
            }
        };
    }

    @Override
    protected Set<DisposalMethod<?, ?>> filterResult(Set<DisposalMethod<?, ?>> matched) {
        return matched;
    }

    @Override
    protected Set<DisposalMethod<?, ?>> sortResult(Set<DisposalMethod<?, ?>> matched) {
        return matched;
    }
}