org.dbrain.binder.system.directory.ServiceKeyImpl Maven / Gradle / Ivy

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Guice-like facade to the unfriendly HK2 service locator.

There is a newer version: 0.13

/*
 * Copyright [2015] [Eric Poitras]
 *
 *     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.dbrain.binder.system.directory;

import org.dbrain.binder.directory.Qualifiers;
import org.dbrain.binder.directory.ServiceKey;

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collection;

/**
 * Created by epoitras on 3/15/15.
 */
public class ServiceKeyImpl implements ServiceKey {

    private final Type       serviceType;
    private final Class   serviceClass;
    private final Qualifiers qualifiers;

    public ServiceKeyImpl( Type serviceType, Class serviceClass, Collection qualifiers ) {
        this.serviceType = serviceType;
        this.serviceClass = serviceClass;
        this.qualifiers = new QualifiersImpl( qualifiers );
    }

    @Override
    public Type getServiceType() {
        return serviceType;
    }

    @Override
    public Class getServiceClass() {
        return serviceClass;
    }

    @Override
    public Qualifiers getQualifiers() {
        return qualifiers;
    }

    @Override
    public boolean equals( Object o ) {
        if ( this == o ) return true;
        if ( o == null || !( o instanceof ServiceKey ) ) return false;

        ServiceKey that = (ServiceKey) o;

        if ( !qualifiers.equals( that.getQualifiers() ) ) return false;
        if ( !serviceType.equals( that.getServiceType() ) ) return false;

        return true;
    }

    @Override
    public int hashCode() {
        int result = serviceType.hashCode();
        result = 31 * result + qualifiers.hashCode();
        return result;
    }
}