/*
* 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.raptor.metadata;
import org.skife.jdbi.v2.StatementContext;
import org.skife.jdbi.v2.tweak.ResultSetMapper;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Objects;
import java.util.UUID;
import static com.facebook.presto.raptor.util.UuidUtil.uuidFromBytes;
import static java.util.Objects.requireNonNull;
public class ShardNodeId
{
private final UUID shardUuid;
private final int nodeId;
public ShardNodeId(UUID shardUuid, int nodeId)
{
this.shardUuid = requireNonNull(shardUuid, "shardUuid is null");
this.nodeId = nodeId;
}
public UUID getShardUuid()
{
return shardUuid;
}
public int getNodeId()
{
return nodeId;
}
@Override
public boolean equals(Object o)
{
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ShardNodeId that = (ShardNodeId) o;
return (nodeId == that.nodeId) &&
Objects.equals(shardUuid, that.shardUuid);
}
@Override
public int hashCode()
{
return Objects.hash(shardUuid, nodeId);
}
@Override
public String toString()
{
return shardUuid + ":" + nodeId;
}
public static class Mapper
implements ResultSetMapper<ShardNodeId>
{
@Override
public ShardNodeId map(int index, ResultSet rs, StatementContext ctx)
throws SQLException
{
return new ShardNodeId(
uuidFromBytes(rs.getBytes("shard_uuid")),
rs.getInt("node_id"));
}
}
}