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Trino - Prometheus connector
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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 io.trino.plugin.prometheus;
import io.trino.spi.connector.ColumnHandle;
import io.trino.spi.connector.ConnectorTableHandle;
import io.trino.spi.connector.SchemaTableName;
import io.trino.spi.predicate.TupleDomain;
import java.util.Objects;
import java.util.Optional;
import static java.util.Objects.requireNonNull;
public record PrometheusTableHandle(String schemaName, String tableName, Optional> predicate)
implements ConnectorTableHandle
{
public PrometheusTableHandle
{
requireNonNull(schemaName, "schemaName is null");
requireNonNull(tableName, "tableName is null");
requireNonNull(predicate, "predicate is null");
}
public SchemaTableName toSchemaTableName()
{
return new SchemaTableName(schemaName, tableName);
}
public PrometheusTableHandle withPredicate(TupleDomain predicate)
{
return new PrometheusTableHandle(schemaName, tableName, Optional.of(predicate));
}
@Override
public int hashCode()
{
return Objects.hash(schemaName, tableName);
}
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if ((obj == null) || (getClass() != obj.getClass())) {
return false;
}
PrometheusTableHandle other = (PrometheusTableHandle) obj;
return Objects.equals(this.schemaName, other.schemaName) &&
Objects.equals(this.tableName, other.tableName);
}
@Override
public String toString()
{
return schemaName + ":" + tableName;
}
}