com.espertech.esper.epl.lookup

Class SubordPropUtil

java.lang.Object

com.espertech.esper.epl.lookup.SubordPropUtil

public class SubordPropUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
SubordPropUtil()

Method Summary

Modifier and Type	Method and Description
static Class[]	getCoercionTypes(Collection<SubordPropHashKey> descList) Returns the key coercion types.
static Class[]	getCoercionTypes(SubordPropHashKey[] descList) Returns the key coercion types.
static String[]	getKeyProperties(Collection<SubordPropHashKey> descList) Returns the key property names.
static String[]	getKeyProperties(SubordPropHashKey[] descList) Returns the key property names.
static int[]	getKeyStreamNums(Collection<SubordPropHashKey> descList) Returns the key stream numbers.
static boolean	isStrictKeyJoin(Collection<SubordPropHashKey> hashKeys)

Methods inherited from class java.lang.Object

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

Constructor Detail

SubordPropUtil

public SubordPropUtil()

Method Detail

isStrictKeyJoin

public static boolean isStrictKeyJoin(Collection<SubordPropHashKey> hashKeys)

getKeyStreamNums

public static int[] getKeyStreamNums(Collection<SubordPropHashKey> descList)

Returns the key stream numbers.

Parameters:

descList - a list of descriptors

Returns:

key stream numbers

getKeyProperties

public static String[] getKeyProperties(Collection<SubordPropHashKey> descList)

Returns the key property names.

Parameters:

descList - a list of descriptors

Returns:

key property names

getKeyProperties

public static String[] getKeyProperties(SubordPropHashKey[] descList)

Returns the key property names.

Parameters:

descList - a list of descriptors

Returns:

key property names

getCoercionTypes

public static Class[] getCoercionTypes(Collection<SubordPropHashKey> descList)

Returns the key coercion types.

Parameters:

descList - a list of descriptors

Returns:

key coercion types

getCoercionTypes

public static Class[] getCoercionTypes(SubordPropHashKey[] descList)

Returns the key coercion types.

Parameters:

descList - a list of descriptors

Returns:

key coercion types