com.hazelcast.query.impl.PartitionQueryContextProvider Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.query.impl;
/**
* Provides the query context support for partitioned indexes with disabled stats.
*/
public class PartitionQueryContextProvider implements QueryContextProvider {
private final QueryContext queryContext;
/**
* Constructs a new partition query context provider for the given indexes.
*
* @param indexes the indexes to construct the new query context for.
*/
public PartitionQueryContextProvider(Indexes indexes) {
queryContext = new QueryContext(indexes, 1);
}
@Override
public QueryContext obtainContextFor(Indexes indexes, int ownedPartitionCount) {
assert indexes == queryContext.indexes;
assert queryContext.ownedPartitionCount == 1 && ownedPartitionCount == 1;
return queryContext;
}
}