/*
* Copyright © 2015 Cask Data, Inc.
*
* 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 co.cask.cdap.data2.dataset2.lib.partitioned;
import co.cask.cdap.api.dataset.lib.Partition;
import co.cask.cdap.api.dataset.lib.PartitionKey;
import com.google.common.base.Objects;
import org.apache.twill.filesystem.Location;
/**
* Simple Implementation of Partition.
*/
class BasicPartition implements Partition {
protected final transient PartitionedFileSetDataset partitionedFileSetDataset;
protected final String relativePath;
protected final PartitionKey key;
protected BasicPartition(PartitionedFileSetDataset partitionedFileSetDataset, String relativePath, PartitionKey key) {
this.partitionedFileSetDataset = partitionedFileSetDataset;
this.relativePath = relativePath;
this.key = key;
}
@Override
public Location getLocation() {
return partitionedFileSetDataset.getEmbeddedFileSet().getLocation(relativePath);
}
@Override
public String getRelativePath() {
return relativePath;
}
@Override
public PartitionKey getPartitionKey() {
return key;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || !(o instanceof BasicPartition)) {
return false;
}
BasicPartition that = (BasicPartition) o;
return key.equals(that.key) && relativePath.equals(that.relativePath);
}
@Override
public int hashCode() {
return Objects.hashCode(key, relativePath);
}
}