package org.apache.lucene.search.suggest;
/*
* 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.
*/
import java.util.Arrays;
import java.util.Comparator;
import java.util.Iterator;
import org.apache.lucene.search.spell.TermFreqIterator;
import org.apache.lucene.util.BytesRef;
/**
* A {@link TermFreqIterator} over a sequence of {@link TermFreq}s.
*/
public final class TermFreqArrayIterator implements TermFreqIterator {
private final Iterator<TermFreq> i;
private TermFreq current;
private final BytesRef spare = new BytesRef();
public TermFreqArrayIterator(Iterator<TermFreq> i) {
this.i = i;
}
public TermFreqArrayIterator(TermFreq [] i) {
this(Arrays.asList(i));
}
public TermFreqArrayIterator(Iterable<TermFreq> i) {
this(i.iterator());
}
public long weight() {
return current.v;
}
@Override
public BytesRef next() {
if (i.hasNext()) {
current = i.next();
spare.copyBytes(current.term);
return spare;
}
return null;
}
@Override
public Comparator<BytesRef> getComparator() {
return null;
}
}