org.apache.samza.system.hdfs

Class PartitionDescriptorUtil

java.lang.Object

org.apache.samza.system.hdfs.PartitionDescriptorUtil

public class PartitionDescriptorUtil
extends java.lang.Object

Util class for methods around partition descriptor. Partition descriptor is rich information about a partition: the set of files that are associated with the partition. Partition descriptor map, or descriptor map, is the map between the Partition and the descriptor

Method Summary

Modifier and Type	Method and Description
static java.util.Map<org.apache.samza.Partition,java.util.List<java.lang.String>>	getDescriptorMapFromJson(java.lang.String json)
static java.lang.String	getJsonFromDescriptorMap(java.util.Map<org.apache.samza.Partition,java.util.List<java.lang.String>> descriptorMap)
static org.apache.hadoop.fs.Path	getPartitionDescriptorPath(java.lang.String base, java.lang.String streamName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getJsonFromDescriptorMap

public static java.lang.String getJsonFromDescriptorMap(java.util.Map<org.apache.samza.Partition,java.util.List<java.lang.String>> descriptorMap)

getDescriptorMapFromJson

public static java.util.Map<org.apache.samza.Partition,java.util.List<java.lang.String>> getDescriptorMapFromJson(java.lang.String json)

getPartitionDescriptorPath

public static org.apache.hadoop.fs.Path getPartitionDescriptorPath(java.lang.String base,
                                                                   java.lang.String streamName)