io.prestosql.plugin.thrift.util.TupleDomainConversion 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.prestosql.plugin.thrift.util;
import io.prestosql.plugin.thrift.ThriftColumnHandle;
import io.prestosql.plugin.thrift.api.PrestoThriftTupleDomain;
import io.prestosql.spi.connector.ColumnHandle;
import io.prestosql.spi.predicate.TupleDomain;
import static com.google.common.collect.ImmutableMap.toImmutableMap;
import static io.prestosql.plugin.thrift.api.PrestoThriftDomain.fromDomain;
public final class TupleDomainConversion
{
private TupleDomainConversion() {}
public static PrestoThriftTupleDomain tupleDomainToThriftTupleDomain(TupleDomain tupleDomain)
{
if (tupleDomain.getDomains().isEmpty()) {
return new PrestoThriftTupleDomain(null);
}
return new PrestoThriftTupleDomain(tupleDomain.getDomains().get()
.entrySet().stream()
.collect(toImmutableMap(
entry -> ((ThriftColumnHandle) entry.getKey()).getColumnName(),
entry -> fromDomain(entry.getValue()))));
}
}