org.elasticsearch.index.fielddata.ordinals.EmptyOrdinals Maven / Gradle / Ivy
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* Licensed to Elasticsearch 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.LongsRef;
import org.elasticsearch.ElasticsearchIllegalStateException;
/**
*/
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 isMultiValued() {
return false;
}
@Override
public int getNumDocs() {
return this.numDocs;
}
@Override
public long getNumOrds() {
return 0;
}
@Override
public long 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 LongsRef EMPTY_LONGS_REF = new LongsRef();
public Docs(EmptyOrdinals parent) {
this.parent = parent;
}
@Override
public Ordinals ordinals() {
return parent;
}
@Override
public int getNumDocs() {
return parent.getNumDocs();
}
@Override
public long getNumOrds() {
return 0;
}
@Override
public long getMaxOrd() {
return 1;
}
@Override
public boolean isMultiValued() {
return false;
}
@Override
public long getOrd(int docId) {
return 0;
}
@Override
public LongsRef getOrds(int docId) {
return EMPTY_LONGS_REF;
}
@Override
public long nextOrd() {
throw new ElasticsearchIllegalStateException("Empty ordinals has no nextOrd");
}
@Override
public int setDocument(int docId) {
return 0;
}
@Override
public long currentOrd() {
return 0;
}
}
}