ReadIfExistsById Method (id, routing, tx, timeout, modifiers)

Reads an entry of the specified type with the specified id from the space. Blocks up to the specified timeout (if any) only if a matching entry exists and it is necessary to wait for transactional state to settle.

Declaration Syntax

Visual Basic

Visual C++

T ReadIfExistsById<T>(
	Object id,
	Object routing,
	ITransaction tx,
	long timeout,
	ReadModifiers modifiers
)

Function ReadIfExistsById(Of T) ( _
	id As Object, _
	routing As Object, _
	tx As ITransaction, _
	timeout As Long, _
	modifiers As ReadModifiers _
) As T

generic<typename T>
T ReadIfExistsById(
	Object^ id, 
	Object^ routing, 
	ITransaction^ tx, 
	long long timeout, 
	ReadModifiers modifiers
)

J# supports the use of generic APIs, but not the declaration of new ones.

Generic Template Parameters

T: Type of requested entry.

Parameters

id (Object): ID of requested entry.

routing (Object): Value to select partition in clustered environment.

tx (ITransaction): The transaction which this operation will participate in.

timeout (Int64): The maximum time to wait for a transactionally proper matching object.

modifiers (ReadModifiers): Additional modifiers to control operation behaviour.

Return Value

Result entry from space (null if not found).

Assembly: GigaSpaces.Core (Module: GigaSpaces.Core) Version: 16.2.0.0 (16.2.1)