com.facebook.presto.jdbc.internal.spi.statistics.ColumnStatisticMetadata 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.statistics;
import com.facebook.presto.jdbc.internal.jackson.annotation.JsonCreator;
import com.facebook.presto.jdbc.internal.jackson.annotation.JsonProperty;
import java.util.Objects;
import static java.util.Objects.requireNonNull;
public class ColumnStatisticMetadata
{
private final String columnName;
private final ColumnStatisticType statisticType;
@JsonCreator
public ColumnStatisticMetadata(
@JsonProperty("columnName") String columnName,
@JsonProperty("statisticType") ColumnStatisticType statisticType)
{
this.columnName = requireNonNull(columnName, "columnName is null");
this.statisticType = requireNonNull(statisticType, "statisticType is null");
}
@JsonProperty
public String getColumnName()
{
return columnName;
}
@JsonProperty
public ColumnStatisticType getStatisticType()
{
return statisticType;
}
@Override
public boolean equals(Object o)
{
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ColumnStatisticMetadata that = (ColumnStatisticMetadata) o;
return Objects.equals(columnName, that.columnName) &&
statisticType == that.statisticType;
}
@Override
public int hashCode()
{
return Objects.hash(columnName, statisticType);
}
@Override
public String toString()
{
return "ColumnStatisticMetadata{" +
"columnName='" + columnName + '\'' +
", statisticType=" + statisticType +
'}';
}
}
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