org.apache.hadoop.hive.metastore.partition.spec

Class PartitionSpecProxy.SimplePartitionWrapperIterator

java.lang.Object

org.apache.hadoop.hive.metastore.partition.spec.PartitionSpecProxy.SimplePartitionWrapperIterator

All Implemented Interfaces:

Iterator<Partition>, PartitionSpecProxy.PartitionIterator

Enclosing class:

PartitionSpecProxy

public static class PartitionSpecProxy.SimplePartitionWrapperIterator
extends Object
implements PartitionSpecProxy.PartitionIterator

Simple wrapper class for pre-constructed Partitions, to expose a PartitionIterator interface, where the iterator-sequence consists of just one Partition.

Constructor Summary

Constructors

Constructor and Description
PartitionSpecProxy.SimplePartitionWrapperIterator(Partition partition)

Method Summary

Methods

Modifier and Type	Method and Description
Partition	getCurrent() Getter for the Partition "pointed to" by the iterator.
String	getDbName() Getter for the name of the DB.
String	getLocation() Getter for Partition-location.
Map<String,String>	getParameters() Getter for the Partition parameters.
String	getTableName() Getter for the name of the table.
boolean	hasNext()
Partition	next()
void	putToParameters(String key, String value) Insert an individual parameter to a Partition's parameter-set.
void	remove()
void	setCreateTime(long time) Setter for creation-time of a Partition.
void	setParameters(Map<String,String> parameters) Setter for Partition parameters.

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionSpecProxy.SimplePartitionWrapperIterator

public PartitionSpecProxy.SimplePartitionWrapperIterator(Partition partition)

Method Detail

getCurrent

public Partition getCurrent()

Description copied from interface: PartitionSpecProxy.PartitionIterator

Getter for the Partition "pointed to" by the iterator. Like next(), but without advancing the iterator.

Specified by:

getCurrent in interface PartitionSpecProxy.PartitionIterator

Returns:

The "current" partition object.

getDbName

public String getDbName()

Description copied from interface: PartitionSpecProxy.PartitionIterator

Getter for the name of the DB.

Specified by:

getDbName in interface PartitionSpecProxy.PartitionIterator

Returns:

Name of the DB.

getTableName

public String getTableName()

Description copied from interface: PartitionSpecProxy.PartitionIterator

Getter for the name of the table.

Specified by:

getTableName in interface PartitionSpecProxy.PartitionIterator

Returns:

Name of the table.

getParameters

public Map<String,String> getParameters()

Description copied from interface: PartitionSpecProxy.PartitionIterator

Getter for the Partition parameters.

Specified by:

getParameters in interface PartitionSpecProxy.PartitionIterator

Returns:

Key-value map for Partition-level parameters.

setParameters

public void setParameters(Map<String,String> parameters)

Description copied from interface: PartitionSpecProxy.PartitionIterator

Setter for Partition parameters.

Specified by:

setParameters in interface PartitionSpecProxy.PartitionIterator

Parameters:

parameters - Key-value map fo Partition-level parameters.

putToParameters

public void putToParameters(String key,
                   String value)

Description copied from interface: PartitionSpecProxy.PartitionIterator

Insert an individual parameter to a Partition's parameter-set.

Specified by:

putToParameters in interface PartitionSpecProxy.PartitionIterator

getLocation

public String getLocation()

Description copied from interface: PartitionSpecProxy.PartitionIterator

Getter for Partition-location.

Specified by:

getLocation in interface PartitionSpecProxy.PartitionIterator

Returns:

Partition's location.

setCreateTime

public void setCreateTime(long time)

Description copied from interface: PartitionSpecProxy.PartitionIterator

Setter for creation-time of a Partition.

Specified by:

setCreateTime in interface PartitionSpecProxy.PartitionIterator

Parameters:

time - Timestamp indicating the time of creation of the Partition.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Partition>

next

public Partition next()

Specified by:

next in interface Iterator<Partition>

remove

public void remove()

Specified by:

remove in interface Iterator<Partition>