io.trino.plugin.hudi.HudiTableProperties 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 io.trino.plugin.hudi;
import com.google.common.collect.ImmutableList;
import com.google.inject.Inject;
import io.trino.spi.session.PropertyMetadata;
import io.trino.spi.type.ArrayType;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import static com.google.common.collect.ImmutableList.toImmutableList;
import static io.trino.spi.session.PropertyMetadata.stringProperty;
import static io.trino.spi.type.VarcharType.VARCHAR;
import static java.util.Locale.ENGLISH;
public class HudiTableProperties
{
public static final String LOCATION_PROPERTY = "location";
public static final String PARTITIONED_BY_PROPERTY = "partitioned_by";
private final List> tableProperties;
@Inject
public HudiTableProperties()
{
tableProperties = ImmutableList.>builder()
.add(stringProperty(
LOCATION_PROPERTY,
"File system location URI for the table",
null,
false))
.add(new PropertyMetadata<>(
PARTITIONED_BY_PROPERTY,
"Partition columns",
new ArrayType(VARCHAR),
List.class,
ImmutableList.of(),
false,
value -> ((Collection) value).stream()
.map(name -> name.toLowerCase(ENGLISH))
.collect(toImmutableList()),
value -> value))
.build();
}
public List> getTableProperties()
{
return tableProperties;
}
public static Optional getTableLocation(Map tableProperties)
{
return Optional.ofNullable((String) tableProperties.get(LOCATION_PROPERTY));
}
}