org.springframework.data.gemfire.function.execution
Interface GemfireFunctionOperations

Type Parameters:

T - the preferred return type

All Known Subinterfaces:

GemfireOnRegionOperations

All Known Implementing Classes:

GemfireOnMemberFunctionTemplate, GemfireOnMembersFunctionTemplate, GemfireOnRegionFunctionTemplate, GemfireOnServerFunctionTemplate, GemfireOnServersFunctionTemplate

public interface GemfireFunctionOperations

An interface for invoking Gemfire functions

Method Summary

<T> Iterable<T>	execute(com.gemstone.gemfire.cache.execute.Function function, Object... args) Execute an unregistered function
<T> T	execute(GemfireFunctionCallback<T> callback) Execute a function using a native GemFire Execution instance
<T> Iterable<T>	execute(String functionId, Object... args) Execute a function registered with an ID
<T> T	executeAndExtract(com.gemstone.gemfire.cache.execute.Function function, Object... args) Execute an unregistered function with an expected singleton result
<T> T	executeAndExtract(String functionId, Object... args) Execute a function registered with an ID and with an expected singleton result

Method Detail

execute

<T> Iterable<T> execute(com.gemstone.gemfire.cache.execute.Function function,
                        Object... args)

Execute an unregistered function

Parameters:

function - the function

args - calling arguments

Returns:

the contents of the results collector

executeAndExtract

<T> T executeAndExtract(com.gemstone.gemfire.cache.execute.Function function,
                        Object... args)

Execute an unregistered function with an expected singleton result

Parameters:

function - the function

args - calling arguments

Returns:

the first item in the results collector

execute

<T> Iterable<T> execute(String functionId,
                        Object... args)

Execute a function registered with an ID

Parameters:

functionId - the function ID

args - the calling arguments

Returns:

the results

executeAndExtract

<T> T executeAndExtract(String functionId,
                        Object... args)

Execute a function registered with an ID and with an expected singleton result

Parameters:

functionId - the function ID

args - the calling arguments

Returns:

the first item in the results collector

execute

<T> T execute(GemfireFunctionCallback<T> callback)

Execute a function using a native GemFire Execution instance

Parameters:

callback - a callback providing the execution instance

Returns:

the execution result