/*
* Licensed to Crate under one or more contributor license agreements.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial
* agreement.
*/
package io.crate.planner;
import com.carrotsearch.hppc.ObjectLongHashMap;
import com.carrotsearch.hppc.ObjectLongMap;
import io.crate.metadata.TableIdent;
public class TableStats {
private volatile ObjectLongMap<TableIdent> tableStats = new ObjectLongHashMap<>(0);
public void updateTableStats(ObjectLongMap<TableIdent> tableStats) {
this.tableStats = tableStats;
}
/**
* Returns the number of docs a table has.
* <p>
* <p>
* The returned number isn't an accurate real-time value but a cached value that is periodically updated
* </p>
* Returns -1 if the table isn't in the cache
*/
public long numDocs(TableIdent tableIdent) {
return tableStats.getOrDefault(tableIdent, -1);
}
}