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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.query;
import java.util.Iterator;
/**
* An immutable and'ing of a collection of sub-expressions. It does not extend
* AndItem to avoid code using instanceof handling it as an AndItem.
*
* @author Steinar Knutsen
*/
public class AndSegmentItem extends SegmentItem implements BlockItem {
public AndSegmentItem(String rawWord, boolean isFromQuery, boolean stemmed) {
super(rawWord, rawWord, isFromQuery, stemmed, null);
}
public AndSegmentItem(String rawWord, String current, boolean isFromQuery, boolean stemmed) {
super(rawWord, current, isFromQuery, stemmed, null);
}
public AndSegmentItem(PhraseSegmentItem item) {
super(item.getRawWord(), item.stringValue(), item.isFromQuery(), item.isStemmed(), null);
int weight = item.getWeight();
if (item.getItemCount() > 0) {
for (Iterator<Item> i = item.getItemIterator(); i.hasNext();) {
WordItem word = (WordItem) i.next();
word.setWeight(weight);
addItem(word);
}
}
}
@Override
public ItemType getItemType() {
return ItemType.AND;
}
@Override
public String getName() {
return "SAND";
}
@Override
public String getIndexName() {
if (getItemCount() == 0) {
return "";
} else {
return ((IndexedItem) getItem(0)).getIndexName();
}
}
public void setWeight(int w) {
for (Iterator<Item> i = getItemIterator(); i.hasNext();) {
i.next().setWeight(w);
}
}
}
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