/*
 * 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
 * 
 *   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.apache.uima.internal.util;

/**
 * like Entry<k, v> except the k is an int. 
 *
 * @param <T> the type of the value
 */
public class IntEntry<T> {
  private int i;
  private T v;
  IntEntry(int i, T v) {
    this.i = i;
    this.v = v;
  }
  
  public int getKey() {
    return i;
  }
  
  public T getValue() {
    return v;
  }

  /* (non-Javadoc)
   * @see java.lang.Object#hashCode()
   */
  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + i;
    result = prime * result + ((v == null) ? 0 : v.hashCode());
    return result;
  }

  /* (non-Javadoc)
   * @see java.lang.Object#equals(java.lang.Object)
   */
  @Override
  public boolean equals(Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (getClass() != obj.getClass())
      return false;
    IntEntry other = (IntEntry) obj;
    if (i != other.i)
      return false;
    if (v == null) {
      if (other.v != null)
        return false;
    } else if (!v.equals(other.v))
      return false;
    return true;
  }

  
  
}

upgrade to allow int hash maps to return iterators over entries