/*
* 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.cas.impl;
import java.util.NoSuchElementException;
import org.apache.uima.internal.util.IntPointerIterator;
/**
* Implements the LowLevelIterator interface.
*
*/
class LowLevelIteratorWrapper implements LowLevelIterator {
private final IntPointerIterator it;
private final LowLevelIndex index;
LowLevelIteratorWrapper(IntPointerIterator it, LowLevelIndex index) {
super();
this.it = it;
this.index = index;
}
public final void moveToFirst() {
this.it.moveToFirst();
}
public final void moveToLast() {
this.it.moveToLast();
}
public final boolean isValid() {
return this.it.isValid();
}
public final int ll_get() throws NoSuchElementException {
return this.it.get();
}
public void moveToNext() {
this.it.inc();
}
public void moveToPrevious() {
this.it.dec();
}
public void moveTo(int fsRef) {
this.it.moveTo(fsRef);
}
public Object copy() {
return this.it.copy();
}
public int ll_indexSize() {
// TODO: make this more efficient
if (!this.isValid()) {
return 0;
}
IntPointerIterator count = (IntPointerIterator) this.it.copy();
count.moveToFirst();
int size = 0;
while (count.isValid()) {
++size;
count.inc();
}
return size;
}
public LowLevelIndex ll_getIndex() {
return this.index;
}
}