com.facebook.presto.jdbc.internal.spi.session.ResourceEstimates 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 com.facebook.presto.jdbc.internal.spi.session;
import com.facebook.presto.jdbc.internal.drift.annotations.ThriftConstructor;
import com.facebook.presto.jdbc.internal.drift.annotations.ThriftField;
import com.facebook.presto.jdbc.internal.drift.annotations.ThriftStruct;
import com.facebook.presto.jdbc.internal.jackson.annotation.JsonCreator;
import com.facebook.presto.jdbc.internal.jackson.annotation.JsonProperty;
import com.facebook.presto.jdbc.internal.io.airlift.units.DataSize;
import com.facebook.presto.jdbc.internal.io.airlift.units.Duration;
import java.util.Optional;
import static java.util.Objects.requireNonNull;
/**
* Estimated resource usage for a query.
*
* This class is under active development and should be considered beta.
*/
@ThriftStruct
public final class ResourceEstimates
{
public static final String EXECUTION_TIME = "EXECUTION_TIME";
public static final String CPU_TIME = "CPU_TIME";
public static final String PEAK_MEMORY = "PEAK_MEMORY";
public static final String PEAK_TASK_MEMORY = "PEAK_TASK_MEMORY";
private final Optional executionTime;
private final Optional cpuTime;
private final Optional peakMemory;
private final Optional peakTaskMemory;
@ThriftConstructor
@JsonCreator
public ResourceEstimates(
@JsonProperty("executionTime") Optional executionTime,
@JsonProperty("cpuTime") Optional cpuTime,
@JsonProperty("peakMemory") Optional peakMemory,
@JsonProperty("peakTaskMemory") Optional peakTaskMemory)
{
this.executionTime = requireNonNull(executionTime, "executionTime is null");
this.cpuTime = requireNonNull(cpuTime, "cpuTime is null");
this.peakMemory = requireNonNull(peakMemory, "peakMemory is null");
this.peakTaskMemory = requireNonNull(peakTaskMemory, "peakTaskMemory is null");
}
@ThriftField(1)
@JsonProperty
public Optional getExecutionTime()
{
return executionTime;
}
@ThriftField(2)
@JsonProperty
public Optional getCpuTime()
{
return cpuTime;
}
@ThriftField(3)
@JsonProperty
public Optional getPeakMemory()
{
return peakMemory;
}
@ThriftField(4)
@JsonProperty
public Optional getPeakTaskMemory()
{
return peakTaskMemory;
}
@Override
public String toString()
{
final StringBuilder sb = new StringBuilder("ResourceEstimates{");
sb.append("executionTime=").append(executionTime);
sb.append(", cpuTime=").append(cpuTime);
sb.append(", peakMemory=").append(peakMemory);
sb.append(", peakTaskMemory=").append(peakTaskMemory);
sb.append('}');
return sb.toString();
}
}