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/*
 * Copyright (C) 2008 The Guava Authors
 *
 * 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 com.facebook.presto.jdbc.internal.guava.collect;

import com.facebook.presto.jdbc.internal.guava.annotations.GwtCompatible;
import java.util.Iterator;

/**
 * An iterator that does not support {@link #remove}.
 *
 * 

{@code UnmodifiableIterator} is used primarily in conjunction with implementations of {@link * ImmutableCollection}, such as {@link ImmutableList}. You can, however, convert an existing * iterator to an {@code UnmodifiableIterator} using {@link Iterators#unmodifiableIterator}. * * @author Jared Levy * @since 2.0 */ @GwtCompatible public abstract class UnmodifiableIterator implements Iterator { /** Constructor for use by subclasses. */ protected UnmodifiableIterator() {} /** * Guaranteed to throw an exception and leave the underlying data unmodified. * * @throws UnsupportedOperationException always * @deprecated Unsupported operation. */ @Deprecated @Override public final void remove() { throw new UnsupportedOperationException(); } }





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