org.apache.ignite.internal.processors.query.h2.opt

Enum GridH2QueryType

java.lang.Object

java.lang.Enum<GridH2QueryType>

org.apache.ignite.internal.processors.query.h2.opt.GridH2QueryType

All Implemented Interfaces:

Serializable, Comparable<GridH2QueryType>

public enum GridH2QueryType
extends Enum<GridH2QueryType>

Query type.

Enum Constant Summary

Enum Constants

Enum Constant and Description
LOCAL Local query.
MAP Map query.
PREPARE Parsing and optimization stage.
REDUCE Reduce query.
REPLICATED Replicated query over a network.

Method Summary

Modifier and Type	Method and Description
static GridH2QueryType	valueOf(String name) Returns the enum constant of this type with the specified name.
static GridH2QueryType[]	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

MAP

public static final GridH2QueryType MAP

Map query. Runs over local partitions, possibly with distributed joins.

REDUCE

public static final GridH2QueryType REDUCE

Reduce query. Local query on a node which initiated the original query.

LOCAL

public static final GridH2QueryType LOCAL

Local query. It may be also a query over replicated cache but all the data is available locally.

REPLICATED

public static final GridH2QueryType REPLICATED

Replicated query over a network. Such a query can be sent from a client node or node which did not load all the partitions yet.

PREPARE

public static final GridH2QueryType PREPARE

Parsing and optimization stage.

Method Detail

values

public static GridH2QueryType[] 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 (GridH2QueryType c : GridH2QueryType.values())
    System.out.println(c);

Returns:

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

valueOf

public static GridH2QueryType 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