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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.search.internal;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TotalHits;
import org.elasticsearch.search.Scroll;
import java.util.HashMap;
import java.util.Map;
/** Wrapper around information that needs to stay around when scrolling. */
public final class ScrollContext {
private Map context = null;
public TotalHits totalHits = null;
public float maxScore = Float.NaN;
public ScoreDoc lastEmittedDoc;
public Scroll scroll;
/**
* Returns the object or null if the given key does not have a
* value in the context
*/
@SuppressWarnings("unchecked") // (T)object
public T getFromContext(String key) {
return context != null ? (T) context.get(key) : null;
}
/**
* Puts the object into the context
*/
public void putInContext(String key, Object value) {
if (context == null) {
context = new HashMap<>();
}
context.put(key, value);
}
}