org.apache.lens.cube.metadata

Class StorageConstants

java.lang.Object

org.apache.lens.cube.metadata.StorageConstants

public final class StorageConstants
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	DATE_PARTITION_KEY
static String	LATEST_PARTITION_VALUE
static String	STORGAE_SEPARATOR

Method Summary

Modifier and Type	Method and Description
static String	getLatestPartFilter(String partCol) Get the partition spec for latest partition
static String	getLatestPartFilter(String partCol, Map<String,String> parts)
static Map<String,String>	getLatestPartSpec(Map<String,String> partSpec, String partCol) Get the partition spec for latest partition
static String	getPartFilter(Map<String,String> parts)
static String	getPartFilter(String partCol, String value)
static String	getPartFilter(String partCol, String value, Map<String,String> parts)
static Set<String>	getPartitionsForLatest() Get the latest partition value as List

Methods inherited from class java.lang.Object

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

Field Detail

DATE_PARTITION_KEY

public static final String DATE_PARTITION_KEY

See Also:

Constant Field Values

STORGAE_SEPARATOR

public static final String STORGAE_SEPARATOR

See Also:

Constant Field Values

LATEST_PARTITION_VALUE

public static final String LATEST_PARTITION_VALUE

See Also:

Constant Field Values

Method Detail

getLatestPartFilter

public static String getLatestPartFilter(String partCol)

Get the partition spec for latest partition

Parameters:

partCol - column for latest spec

Returns:

latest partition spec as Map from String to String

getPartFilter

public static String getPartFilter(String partCol,
                                   String value)

getPartFilter

public static String getPartFilter(Map<String,String> parts)

getPartFilter

public static String getPartFilter(String partCol,
                                   String value,
                                   Map<String,String> parts)

getLatestPartFilter

public static String getLatestPartFilter(String partCol,
                                         Map<String,String> parts)

getPartitionsForLatest

public static Set<String> getPartitionsForLatest()

Get the latest partition value as List

Returns:

List

getLatestPartSpec

public static Map<String,String> getLatestPartSpec(Map<String,String> partSpec,
                                                   String partCol)

Get the partition spec for latest partition

Parameters:

partSpec - The latest partition spec

partCol - The partition column for latest spec

Returns:

latest partition spec as Map from String to String