
io.prestosql.execution.warnings.DefaultWarningCollector 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.prestosql.execution.warnings;
import com.google.common.collect.ImmutableList;
import io.prestosql.spi.PrestoWarning;
import io.prestosql.spi.WarningCode;
import javax.annotation.concurrent.GuardedBy;
import javax.annotation.concurrent.ThreadSafe;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import static java.util.Objects.requireNonNull;
@ThreadSafe
public class DefaultWarningCollector
implements WarningCollector
{
@GuardedBy("this")
private final Map warnings = new LinkedHashMap<>();
private final WarningCollectorConfig config;
public DefaultWarningCollector(WarningCollectorConfig config)
{
this.config = requireNonNull(config, "config is null");
}
@Override
public synchronized void add(PrestoWarning warning)
{
requireNonNull(warning, "warning is null");
if (warnings.size() < config.getMaxWarnings()) {
warnings.putIfAbsent(warning.getWarningCode(), warning);
}
}
@Override
public synchronized List getWarnings()
{
return ImmutableList.copyOf(warnings.values());
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy