UnmodifiableIterator.java

/*
 * Copyright 2003-2016 JetBrains s.r.o.
 *
 * 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 jetbrains.mps.nodeEditor.cells.collections;

import java.util.Iterator;

/**
 * TODO: move to org.jetbrains.mps.util ?
 * <p>
 * User: shatalin
 * Date: 10/02/16
 */
public class UnmodifiableIterator<T> implements Iterator<T> {
  private Iterator<T> myIterator;

  public UnmodifiableIterator(Iterator<T> iterator) {
    myIterator = iterator;
  }

  @Override
  public boolean hasNext() {
    return myIterator.hasNext();
  }

  @Override
  public T next() {
    return myIterator.next();
  }

  @Override
  public void remove() {
    throw new UnsupportedOperationException();
  }
}