com.espertech.esper.client.annotation

Enum HookType

java.lang.Object

java.lang.Enum<HookType>

com.espertech.esper.client.annotation.HookType

All Implemented Interfaces:

Serializable, Comparable<HookType>

public enum HookType
extends Enum<HookType>

Enumeration for the different types of statement-processing hooks (callbacks) that can be provided for a statement.

Enum Constant Summary

Enum Constants

Enum Constant and Description
CONTEXT_STATE_CACHE For internal use, context state cache.
INTERNAL_AGGLOCALLEVEL For internal use, aggregation level reporting.
INTERNAL_GROUPROLLUP_PLAN For internal use, group rollup plan reporting.
INTERNAL_QUERY_PLAN For internal use, query planning reporting.
SQLCOL For use when installing a callback for converting SQL input parameters or column output values.
SQLROW For use when installing a callback for converting SQL row results to a POJO object.

Method Summary

Modifier and Type	Method and Description
static HookType	valueOf(String name) Returns the enum constant of this type with the specified name.
static HookType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

SQLCOL

public static final HookType SQLCOL

For use when installing a callback for converting SQL input parameters or column output values.

SQLROW

public static final HookType SQLROW

For use when installing a callback for converting SQL row results to a POJO object.

INTERNAL_QUERY_PLAN

public static final HookType INTERNAL_QUERY_PLAN

For internal use, query planning reporting.

INTERNAL_GROUPROLLUP_PLAN

public static final HookType INTERNAL_GROUPROLLUP_PLAN

For internal use, group rollup plan reporting.

INTERNAL_AGGLOCALLEVEL

public static final HookType INTERNAL_AGGLOCALLEVEL

For internal use, aggregation level reporting.

CONTEXT_STATE_CACHE

public static final HookType CONTEXT_STATE_CACHE

For internal use, context state cache.

Method Detail

values

public static HookType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (HookType c : HookType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static HookType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null