/*
* 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.cassandra;
import com.facebook.presto.spi.ColumnHandle;
import com.facebook.presto.spi.predicate.TupleDomain;
import java.nio.ByteBuffer;
public class CassandraPartition
{
static final String UNPARTITIONED_ID = "<UNPARTITIONED>";
public static final CassandraPartition UNPARTITIONED = new CassandraPartition();
private final String partitionId;
private final byte[] key;
private final TupleDomain<ColumnHandle> tupleDomain;
private final boolean indexedColumnPredicatePushdown;
private CassandraPartition()
{
partitionId = UNPARTITIONED_ID;
tupleDomain = TupleDomain.all();
key = null;
indexedColumnPredicatePushdown = false;
}
public CassandraPartition(byte[] key, String partitionId, TupleDomain<ColumnHandle> tupleDomain, boolean indexedColumnPredicatePushdown)
{
this.key = key;
this.partitionId = partitionId;
this.tupleDomain = tupleDomain;
this.indexedColumnPredicatePushdown = indexedColumnPredicatePushdown;
}
public boolean isUnpartitioned()
{
return partitionId.equals(UNPARTITIONED_ID);
}
public boolean isIndexedColumnPredicatePushdown()
{
return indexedColumnPredicatePushdown;
}
public TupleDomain<ColumnHandle> getTupleDomain()
{
return tupleDomain;
}
public String getPartitionId()
{
return partitionId;
}
@Override
public String toString()
{
return partitionId;
}
public ByteBuffer getKeyAsByteBuffer()
{
return ByteBuffer.wrap(key);
}
public byte[] getKey()
{
return key;
}
}