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/*
* Copyright (C) 2002-2014 Sebastiano Vigna
*
* 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 PACKAGE;
import java.util.ListIterator;
import it.unimi.dsi.fastutil.BigListIterator;
/** An abstract class facilitating the creation of type-specific {@linkplain it.unimi.dsi.fastutil.BigListIterator big-list iterators}.
*
* <p>This implementation provides (deprecated) implementations of {@link ListIterator#previousIndex()} and {@link ListIterator#nextIndex()} that
* just invoke the corresponding {@link BigListIterator} methods.
*
* @see java.util.ListIterator
* @see it.unimi.dsi.fastutil.BigListIterator
*/
public abstract class KEY_ABSTRACT_BIG_LIST_ITERATOR KEY_GENERIC extends KEY_ABSTRACT_BIDI_ITERATOR KEY_GENERIC implements KEY_BIG_LIST_ITERATOR KEY_GENERIC {
protected KEY_ABSTRACT_BIG_LIST_ITERATOR() {}
#if #keys(primitive)
/** Delegates to the corresponding type-specific method. */
public void set( KEY_GENERIC_CLASS ok ) { set( ok.KEY_VALUE() ); }
/** Delegates to the corresponding type-specific method. */
public void add( KEY_GENERIC_CLASS ok ) { add( ok.KEY_VALUE() ); }
#endif
/** This method just throws an {@link UnsupportedOperationException}. */
public void set( KEY_GENERIC_TYPE k ) { throw new UnsupportedOperationException(); }
/** This method just throws an {@link UnsupportedOperationException}. */
public void add( KEY_GENERIC_TYPE k ) { throw new UnsupportedOperationException(); }
/** This method just iterates the type-specific version of {@link #next()} for at most
* <code>n</code> times, stopping if {@link #hasNext()} becomes false.*/
public long skip( final long n ) {
long i = n;
while( i-- != 0 && hasNext() ) NEXT_KEY();
return n - i - 1;
}
/** This method just iterates the type-specific version of {@link #previous()} for
* at most <code>n</code> times, stopping if {@link
* #hasPrevious()} becomes false. */
public long back( final long n ) {
long i = n;
while( i-- != 0 && hasPrevious() ) PREV_KEY();
return n - i - 1;
}
}
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