content: /*
   * Copyright (C) 2020 ActiveJ LLC.
   *
   * 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 io.activej.dataflow.inject;
  
  import io.activej.inject.Key;
  
  import java.lang.annotation.Annotation;
  
  @SuppressWarnings("ClassExplicitlyAnnotation")
  public final class DatasetIdImpl implements DatasetId {
  	private final String value;
  
  	private DatasetIdImpl(String value) {
  		this.value = value;
  	}
  
  	public static Key<Object> datasetId(String id) {
  		return Key.of(Object.class, new DatasetIdImpl(id));
  	}
  
  	@Override
  	public String value() {
  		return value;
  	}
  
  	@Override
  	public int hashCode() {
  		// This is specified in java.lang.Annotation.
  		return (127 * "value".hashCode()) ^ value.hashCode();
  	}
  
  	@Override
  	public boolean equals(Object o) {
  		if (!(o instanceof DatasetId other)) return false;
  
  		return value.equals(other.value());
  	}
  
  	@Override
  	public String toString() {
  		return "@" + DatasetId.class.getName() + "(" + value + ")";
  	}
  
  	@Override
  	public Class<? extends Annotation> annotationType() {
  		return DatasetId.class;
  	}
  }
  