org.elasticsearch.index.fielddata.ordinals.EmptyOrdinals Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch 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.elasticsearch.index.fielddata.ordinals;
import org.apache.lucene.util.IntsRef;
/**
*/
public class EmptyOrdinals implements Ordinals {
private final int numDocs;
public EmptyOrdinals(int numDocs) {
this.numDocs = numDocs;
}
@Override
public long getMemorySizeInBytes() {
return 0;
}
@Override
public boolean hasSingleArrayBackingStorage() {
return false;
}
@Override
public Object getBackingStorage() {
return null;
}
@Override
public boolean isMultiValued() {
return false;
}
@Override
public int getNumDocs() {
return this.numDocs;
}
@Override
public int getNumOrds() {
return 0;
}
@Override
public int getMaxOrd() {
return 1;
}
@Override
public Docs ordinals() {
return new Docs(this);
}
public static class Docs implements Ordinals.Docs {
private final EmptyOrdinals parent;
public static final IntsRef EMPTY_INTS_REF = new IntsRef();
public Docs(EmptyOrdinals parent) {
this.parent = parent;
}
@Override
public Ordinals ordinals() {
return parent;
}
@Override
public int getNumDocs() {
return parent.getNumDocs();
}
@Override
public int getNumOrds() {
return 0;
}
@Override
public int getMaxOrd() {
return 1;
}
@Override
public boolean isMultiValued() {
return false;
}
@Override
public int getOrd(int docId) {
return 0;
}
@Override
public IntsRef getOrds(int docId) {
return EMPTY_INTS_REF;
}
@Override
public Iter getIter(int docId) {
return EmptyIter.INSTANCE;
}
}
}