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A set of utilities and tools to speed up and ease programming in Java.
There is a newer version: 0.5
/*
 * (c) 2005 David B. Bracewell
 *
 * 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 com.davidbracewell.collection;

import java.util.Collections;
import java.util.Map;
import java.util.Set;

/**
 * @author David B. Bracewell
 */
final class UnmodifiableCounter extends ForwardingCounter {
  private static final long serialVersionUID = 1L;
  private final Counter backing;

  UnmodifiableCounter(Counter backing) {
    this.backing = backing;
  }

  @Override
  public Map asMap() {
    return Collections.unmodifiableMap(super.asMap());
  }

  @Override
  public Counter decrement(TYPE item) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter decrement(TYPE item, double amount) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter decrementAll(Iterable iterable) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter decrementAll(Iterable iterable, double amount) {
    throw new UnsupportedOperationException();
  }

  @Override
  protected Counter delegate() {
    return backing;
  }

  @Override
  public Counter divideBySum() {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter increment(TYPE item) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter increment(TYPE item, double amount) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter incrementAll(Iterable iterable) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter incrementAll(Iterable iterable, double amount) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Set items() {
    return Collections.unmodifiableSet(super.items());
  }

  @Override
  public Set> entries() {
    return Collections.unmodifiableSet(delegate().entries());
  }

  @Override
  public Counter merge(Counter other) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter merge(Map other) {
    throw new UnsupportedOperationException();
  }

  @Override
  public double remove(TYPE item) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter removeAll(Iterable items) {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter removeZeroCounts() {
    throw new UnsupportedOperationException();
  }

  @Override
  public Counter set(TYPE item, double count) {
    throw new UnsupportedOperationException();
  }

  @Override
  public String toString() {
    return delegate().toString();
  }

  @Override
  public boolean equals(Object o) {
    return delegate().equals(o);
  }

  @Override
  public int hashCode() {
    return delegate().hashCode();
  }

}//END OF UnmodifiableCounter