RemoteSplit.java
/*
* 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.split;
import com.facebook.presto.execution.Location;
import com.facebook.presto.execution.TaskId;
import com.facebook.presto.spi.ConnectorSplit;
import com.facebook.presto.spi.HostAddress;
import com.facebook.presto.spi.NodeProvider;
import com.facebook.presto.spi.schedule.NodeSelectionStrategy;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.ImmutableList;
import java.util.List;
import static com.facebook.presto.spi.schedule.NodeSelectionStrategy.NO_PREFERENCE;
import static com.google.common.base.MoreObjects.toStringHelper;
import static java.util.Objects.requireNonNull;
public class RemoteSplit
implements ConnectorSplit
{
private final Location location;
private final TaskId remoteSourceTaskId;
@JsonCreator
public RemoteSplit(@JsonProperty("location") Location location, @JsonProperty("remoteSourceTaskId") TaskId remoteSourceTaskId)
{
this.location = requireNonNull(location, "location is null");
this.remoteSourceTaskId = requireNonNull(remoteSourceTaskId, "remoteSourceTaskId is null");
}
@JsonProperty
public Location getLocation()
{
return location;
}
@JsonProperty
public TaskId getRemoteSourceTaskId()
{
return remoteSourceTaskId;
}
@Override
public Object getInfo()
{
return this;
}
@Override
public NodeSelectionStrategy getNodeSelectionStrategy()
{
return NO_PREFERENCE;
}
@Override
public List<HostAddress> getPreferredNodes(NodeProvider nodeProvider)
{
return ImmutableList.of();
}
@Override
public String toString()
{
return toStringHelper(this)
.add("location", location)
.add("remoteSourceTaskId", remoteSourceTaskId)
.toString();
}
}