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/*
 * 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(); } }





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