com.hotels.hcommon.hive.metastore.iterator

Class PartitionIterator

java.lang.Object

com.hotels.hcommon.hive.metastore.iterator.PartitionIterator

All Implemented Interfaces:

Iterator<org.apache.hadoop.hive.metastore.api.Partition>

public class PartitionIterator
extends Object
implements Iterator<org.apache.hadoop.hive.metastore.api.Partition>

Iterates over partitions, lazily loading in batches where possible.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PartitionIterator.Ordering

Constructor Summary

Constructors

Constructor and Description
PartitionIterator(org.apache.hadoop.hive.metastore.IMetaStoreClient metastore, org.apache.hadoop.hive.metastore.api.Table table, short batchSize)
PartitionIterator(org.apache.hadoop.hive.metastore.IMetaStoreClient metastore, org.apache.hadoop.hive.metastore.api.Table table, short batchSize, List<String> partitionNames)
PartitionIterator(org.apache.hadoop.hive.metastore.IMetaStoreClient metastore, org.apache.hadoop.hive.metastore.api.Table table, short batchSize, List<String> partitionNames, PartitionIterator.Ordering ordering)
PartitionIterator(org.apache.hadoop.hive.metastore.IMetaStoreClient metastore, org.apache.hadoop.hive.metastore.api.Table table, short batchSize, PartitionIterator.Ordering ordering)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
org.apache.hadoop.hive.metastore.api.Partition	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

PartitionIterator

public PartitionIterator(org.apache.hadoop.hive.metastore.IMetaStoreClient metastore,
                         org.apache.hadoop.hive.metastore.api.Table table,
                         short batchSize)
                  throws org.apache.hadoop.hive.metastore.api.MetaException,
                         org.apache.thrift.TException

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

org.apache.thrift.TException

PartitionIterator

public PartitionIterator(org.apache.hadoop.hive.metastore.IMetaStoreClient metastore,
                         org.apache.hadoop.hive.metastore.api.Table table,
                         short batchSize,
                         PartitionIterator.Ordering ordering)
                  throws org.apache.hadoop.hive.metastore.api.MetaException,
                         org.apache.thrift.TException

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

org.apache.thrift.TException

PartitionIterator

public PartitionIterator(org.apache.hadoop.hive.metastore.IMetaStoreClient metastore,
                         org.apache.hadoop.hive.metastore.api.Table table,
                         short batchSize,
                         List<String> partitionNames)
                  throws org.apache.hadoop.hive.metastore.api.MetaException,
                         org.apache.thrift.TException

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

org.apache.thrift.TException

PartitionIterator

public PartitionIterator(org.apache.hadoop.hive.metastore.IMetaStoreClient metastore,
                         org.apache.hadoop.hive.metastore.api.Table table,
                         short batchSize,
                         List<String> partitionNames,
                         PartitionIterator.Ordering ordering)
                  throws org.apache.hadoop.hive.metastore.api.MetaException,
                         org.apache.thrift.TException

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

org.apache.thrift.TException

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<org.apache.hadoop.hive.metastore.api.Partition>

next

public org.apache.hadoop.hive.metastore.api.Partition next()

Specified by:

next in interface Iterator<org.apache.hadoop.hive.metastore.api.Partition>

remove

public void remove()

Specified by:

remove in interface Iterator<org.apache.hadoop.hive.metastore.api.Partition>