Java tutorial
/* * 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.metadata; import com.facebook.presto.spi.ConnectorPartitionResult; import com.facebook.presto.spi.TupleDomain; import com.google.common.base.Preconditions; import com.google.common.collect.Lists; import java.util.List; import static com.facebook.presto.metadata.Partition.fromConnectorPartition; import static com.facebook.presto.metadata.Util.fromConnectorDomain; public class PartitionResult { private final List<Partition> partitions; private final TupleDomain<ColumnHandle> undeterminedTupleDomain; public PartitionResult(String connectorId, ConnectorPartitionResult connectorPartitionResult) { Preconditions.checkNotNull(connectorId, "connectorId is null"); Preconditions.checkNotNull(connectorPartitionResult, "connectorPartitionResult is null"); partitions = Lists.transform(connectorPartitionResult.getPartitions(), fromConnectorPartition(connectorId)); undeterminedTupleDomain = fromConnectorDomain(connectorId, connectorPartitionResult.getUndeterminedTupleDomain()); } public List<Partition> getPartitions() { return partitions; } public TupleDomain<ColumnHandle> getUndeterminedTupleDomain() { return undeterminedTupleDomain; } }