io.trino.sql.planner.RuleStatsRecorder Maven / Gradle / Ivy
/*
* 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 io.trino.sql.planner;
import com.google.common.collect.ImmutableMap;
import io.trino.sql.planner.iterative.Rule;
import io.trino.sql.planner.iterative.RuleStats;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import static com.google.common.base.Preconditions.checkArgument;
public class RuleStatsRecorder
{
private final Map, RuleStats> stats = new HashMap<>();
public void registerAll(Collection> rules)
{
for (Rule rule : rules) {
checkArgument(!rule.getClass().isAnonymousClass());
stats.put(rule.getClass(), new RuleStats());
}
}
public void record(Rule rule, long nanos, boolean match)
{
stats.get(rule.getClass()).record(nanos, match);
}
public void recordFailure(Rule rule)
{
stats.get(rule.getClass()).recordFailure();
}
public Map, RuleStats> getStats()
{
return ImmutableMap.copyOf(stats);
}
}