com.facebook.presto.jdbc.internal.spi.statistics.RuntimeSourceInfo Maven / Gradle / Ivy

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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.statistics;

import static com.facebook.presto.jdbc.internal.spi.statistics.SourceInfo.ConfidenceLevel.HIGH;

/**
 * Describes plan statistics which are derived at runtime.
 */
public class RuntimeSourceInfo
        extends SourceInfo
{
    public RuntimeSourceInfo() {}

    @Override
    public int hashCode()
    {
        return 0;
    }

    @Override
    public boolean equals(Object obj)
    {
        return getClass() == obj.getClass();
    }

    @Override
    public String toString()
    {
        return "RuntimeSourceInfo{}";
    }

    @Override
    public ConfidenceLevel confidenceLevel()
    {
        return HIGH;
    }

    @Override
    public String getSourceInfoName()
    {
        return "Runtime";
    }
}