com.appslandia.plum.base.InstanceKey Maven / Gradle / Ivy

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// The MIT License (MIT)
// Copyright © 2015 AppsLandia. All rights reserved.

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package com.appslandia.plum.base;

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

/**
 *
 * @author Loc Ha
 *
 */
public class InstanceKey {

  final Class type;
  final Annotation qualifier;

  public InstanceKey(Class type, Annotation qualifier) {
    this.type = type;
    this.qualifier = qualifier;
  }

  public Class getType() {
    return this.type;
  }

  public Annotation getQualifier() {
    return this.qualifier;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj)
      return true;

    if (!(obj instanceof InstanceKey)) {
      return false;
    }

    InstanceKey that = (InstanceKey) obj;
    return Objects.equals(this.type, that.type) && Objects.equals(this.qualifier, that.qualifier);
  }

  @Override
  public int hashCode() {
    return Objects.hash(this.type, this.qualifier);
  }
}