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

Class PartitionSpecProxy

java.lang.Object

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

Direct Known Subclasses:

CompositePartitionSpecProxy, PartitionListComposingSpecProxy, PartitionSpecWithSharedSDProxy

public abstract class PartitionSpecProxy
extends Object

Polymorphic proxy class, equivalent to org.apache.hadoop.hive.metastore.api.PartitionSpec.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PartitionSpecProxy.Factory Factory to construct PartitionSetProxy instances, from PartitionSets.
static interface	PartitionSpecProxy.PartitionIterator Iterator to iterate over Partitions corresponding to a PartitionSpec.
static class	PartitionSpecProxy.SimplePartitionWrapperIterator 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()

Method Summary

Methods

Modifier and Type	Method and Description
abstract String	getDbName() Getter for name of the DB.
abstract PartitionSpecProxy.PartitionIterator	getPartitionIterator() Iterator to the (virtual) sequence of Partitions represented by the PartitionSpec.
abstract String	getTableName() Getter for name of the table.
abstract void	setDbName(String dbName) Setter for name of the DB.
abstract void	setRootLocation(String rootLocation) Setter for the common root-location for all partitions in the PartitionSet.
abstract void	setTableName(String tableName) Setter for name of the table.
abstract int	size() The number of Partition instances represented by the PartitionSpec.
abstract List<PartitionSpec>	toPartitionSpec() Conversion to a org.apache.hadoop.hive.metastore.api.PartitionSpec sequence.

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionSpecProxy

public PartitionSpecProxy()

Method Detail

size

public abstract int size()

The number of Partition instances represented by the PartitionSpec.

Returns:

Number of partitions.

setDbName

public abstract void setDbName(String dbName)

Setter for name of the DB.

Parameters:

dbName - The name of the DB.

setTableName

public abstract void setTableName(String tableName)

Setter for name of the table.

Parameters:

tableName - The name of the table.

getDbName

public abstract String getDbName()

Getter for name of the DB.

Returns:

The name of the DB.

getTableName

public abstract String getTableName()

Getter for name of the table.

Returns:

The name of the table.

getPartitionIterator

public abstract PartitionSpecProxy.PartitionIterator getPartitionIterator()

Iterator to the (virtual) sequence of Partitions represented by the PartitionSpec.

Returns:

A PartitionIterator to the beginning of the Partition sequence.

toPartitionSpec

public abstract List<PartitionSpec> toPartitionSpec()

Conversion to a org.apache.hadoop.hive.metastore.api.PartitionSpec sequence.

Returns:

A list of org.apache.hadoop.hive.metastore.api.PartitionSpec instances.

setRootLocation

public abstract void setRootLocation(String rootLocation)
                              throws MetaException

Setter for the common root-location for all partitions in the PartitionSet.

Parameters:

rootLocation - The new common root-location.

Throws:

MetaException