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groovyx.gpars.group
[Java] Class PGroup

java.lang.Object
  groovyx.gpars.group.PGroup

@SuppressWarnings({"RawUseOfParameterizedType"})
public abstract class PGroup

Provides a common super class of pooled parallel groups.

Authors:
Vaclav Pech, Alex Tkachman Date: May 8, 2009

Field Summary
protected static java.lang.String A_SPLITTER_NEEDS_AN_INPUT_CHANNEL_AND_AT_LEAST_ONE_OUTPUT_CHANNEL_TO_BE_CREATED

private Pool threadPool

Stores the group actors' thread pool
 
Constructor Summary
protected PGroup(Pool threadPool)

Creates a group for actors, agents, tasks and operators.

 
Method Summary
DefaultActor actor(java.lang.Runnable handler)

Creates a new instance of DefaultActor, using the passed-in runnable/closure as the body of the actor's act() method.

Agent agent(java.lang.Object state)

Creates an agent instance initialized with the given state
Agent agent(java.lang.Object state, groovy.lang.Closure copy)

Creates an agent instance initialized with the given state
BlockingActor blockingActor(java.lang.Runnable handler)

Creates a new instance of BlockingActor, using the passed-in closure as the body of the actor's act() method.

void execute(java.lang.Runnable task)

schedules a new task for processing with the pool
DefaultActor fairActor(java.lang.Runnable handler)

Creates a new instance of DefaultActor, using the passed-in runnable/closure as the body of the actor's act() method.

Agent fairAgent(java.lang.Object state)

Creates an agent instance initialized with the given state, which will cooperate in thread sharing with other agents and actors in a fair manner.
Agent fairAgent(java.lang.Object state, groovy.lang.Closure copy)

Creates an agent instance initialized with the given state, which will cooperate in thread sharing with other agents and actors in a fair manner.
Actor fairMessageHandler(groovy.lang.Closure code)

Creates an instance of DynamicDispatchActor, which will cooperate in thread sharing with other actors sharing the same thread pool
Actor fairReactor(groovy.lang.Closure code)

Creates a reactor around the supplied code, which will cooperate in thread sharing with other actors sharing the same thread pool When a reactor receives a message, the supplied block of code is run with the message as a parameter and the result of the code is send in reply.
Actor fairStaticMessageHandler(groovy.lang.Closure code)

Creates an instance of StaticDispatchActor, which will cooperate in thread sharing with other actors sharing the same thread pool.
protected void finalize()

Shutdown the thread pool gracefully
int getPoolSize()

Retrieves the current thread pool size
Pool getThreadPool()

private static boolean isListAccepting(groovy.lang.Closure code)

Actor messageHandler(groovy.lang.Closure code)

Creates an instance of DynamicDispatchActor.
DataflowProcessor operator(java.util.Map channels, groovy.lang.Closure code)

Creates an operator using the current parallel group
DataflowProcessor operator(java.util.List inputChannels, java.util.List outputChannels, groovy.lang.Closure code)

Creates an operator using the current parallel group
DataflowProcessor operator(java.util.List inputChannels, java.util.List outputChannels, int maxForks, groovy.lang.Closure code)

Creates an operator using the current parallel group
DataflowProcessor operator(DataflowReadChannel input, DataflowWriteChannel output, groovy.lang.Closure code)

Creates an operator using the current parallel group
DataflowProcessor operator(DataflowReadChannel input, DataflowWriteChannel output, int maxForks, groovy.lang.Closure code)

Creates an operator using the current parallel group
DataflowProcessor prioritySelector(java.util.Map channels, groovy.lang.Closure code)

Creates a prioritizing selector using the default dataflow parallel group Input with lower position index have higher priority.
DataflowProcessor prioritySelector(java.util.List inputChannels, java.util.List outputChannels, groovy.lang.Closure code)

Creates a prioritizing selector using the default dataflow parallel group Input with lower position index have higher priority.
DataflowProcessor prioritySelector(java.util.Map channels)

Creates a prioritizing selector using the default dataflow parallel group.

DataflowProcessor prioritySelector(java.util.List inputChannels, java.util.List outputChannels)

Creates a prioritizing selector using the default dataflow parallel group.

Actor reactor(groovy.lang.Closure code)

Creates a reactor around the supplied code.

void resetDefaultSize()

Sets the pool size to the default
void resize(int poolSize)

Resizes the thread pool to the specified value
Select select(DataflowReadChannel... channels)

Creates a select using the current parallel group.

Select select(java.util.List channels)

Creates a select using the current parallel group.

DataflowProcessor selector(java.util.Map channels, groovy.lang.Closure code)

Creates a selector using this parallel group
DataflowProcessor selector(java.util.List inputChannels, java.util.List outputChannels, groovy.lang.Closure code)

Creates a selector using this parallel group
DataflowProcessor selector(java.util.Map channels)

Creates a selector using this parallel group.

DataflowProcessor selector(java.util.List inputChannels, java.util.List outputChannels)

Creates a selector using this parallel group.

void shutdown()

Gently stops the pool
DataflowProcessor splitter(DataflowReadChannel inputChannel, java.util.List outputChannels)

Creates a splitter copying its single input channel into all of its output channels.

DataflowProcessor splitter(DataflowReadChannel inputChannel, java.util.List outputChannels, int maxForks)

Creates a splitter copying its single input channel into all of its output channels.

Actor staticMessageHandler(groovy.lang.Closure code)

Creates an instance of StaticDispatchActor.
Promise task(groovy.lang.Closure code)

Creates a new task assigned to a thread from the current parallel group.

Promise task(java.util.concurrent.Callable callable)

Creates a new task assigned to a thread from the current parallel group.

Promise task(java.lang.Runnable code)

Creates a new task assigned to a thread from the current parallel group.

Promise whenAllBound(java.util.List promises, groovy.lang.Closure code)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Promise whenAllBound(Promise promise1, groovy.lang.Closure code)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Promise whenAllBound(Promise promise1, Promise promise2, groovy.lang.Closure code)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Promise whenAllBound(Promise promise1, Promise promise2, Promise promise3, groovy.lang.Closure code)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Promise whenAllBound(Promise promise1, Promise promise2, Promise promise3, Promise promise4, groovy.lang.Closure code)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Promise whenAllBound(java.util.List promises, groovy.lang.Closure code, groovy.lang.Closure errorHandler)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Promise whenAllBound(Promise promise1, groovy.lang.Closure code, groovy.lang.Closure errorHandler)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Promise whenAllBound(Promise promise1, Promise promise2, groovy.lang.Closure code, groovy.lang.Closure errorHandler)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Promise whenAllBound(Promise promise1, Promise promise2, Promise promise3, groovy.lang.Closure code, groovy.lang.Closure errorHandler)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Promise whenAllBound(Promise promise1, Promise promise2, Promise promise3, Promise promise4, groovy.lang.Closure code, groovy.lang.Closure errorHandler)

Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
private void whenAllBound(java.util.List promises, int index, java.util.List values, DataflowVariable result, groovy.lang.Closure code, groovy.lang.Closure errorHandler)

Waits for the promise identified by the index to be bound and then passes on to the next promise in the list
 
Methods inherited from class java.lang.Object
java.lang.Object#wait(long), java.lang.Object#wait(), java.lang.Object#wait(long, int), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll()
 

Field Detail

A_SPLITTER_NEEDS_AN_INPUT_CHANNEL_AND_AT_LEAST_ONE_OUTPUT_CHANNEL_TO_BE_CREATED

protected static final java.lang.String A_SPLITTER_NEEDS_AN_INPUT_CHANNEL_AND_AT_LEAST_ONE_OUTPUT_CHANNEL_TO_BE_CREATED

threadPool

private final Pool threadPool
Stores the group actors' thread pool

 
Constructor Detail

PGroup

protected PGroup(Pool threadPool)
Creates a group for actors, agents, tasks and operators. The actors will share a common daemon thread pool.
Parameters:
threadPool - The thread pool to use by the group

 
Method Detail

actor

public final DefaultActor actor(java.lang.Runnable handler)
Creates a new instance of DefaultActor, using the passed-in runnable/closure as the body of the actor's act() method. The created actor will belong to the pooled parallel group.
Parameters:
handler - The body of the newly created actor's act method.
Returns:
A newly created instance of the DefaultActor class

agent

public final Agent agent(java.lang.Object state)
Creates an agent instance initialized with the given state
Parameters:
state - The initial internal state of the new Agent instance
Returns:
The created instance

agent

public final Agent agent(java.lang.Object state, groovy.lang.Closure copy)
Creates an agent instance initialized with the given state
Parameters:
state - The initial internal state of the new Agent instance
copy - A closure to use to create a copy of the internal state when sending the internal state out
Returns:
The created instance

blockingActor

public final BlockingActor blockingActor(java.lang.Runnable handler)
Creates a new instance of BlockingActor, using the passed-in closure as the body of the actor's act() method. The created actor will be part of the default actor group.
Parameters:
handler - The body of the newly created actor's act method.
Returns:
A newly created instance of the BlockingActor class

execute

public void execute(java.lang.Runnable task)
schedules a new task for processing with the pool
Parameters:
task - The task to schedule

fairActor

public final DefaultActor fairActor(java.lang.Runnable handler)
Creates a new instance of DefaultActor, using the passed-in runnable/closure as the body of the actor's act() method. The actor will cooperate in thread sharing with other actors sharing the same thread pool in a fair manner. The created actor will belong to the pooled parallel group.
Parameters:
handler - The body of the newly created actor's act method.
Returns:
A newly created instance of the DefaultActor class

fairAgent

public final Agent fairAgent(java.lang.Object state)
Creates an agent instance initialized with the given state, which will cooperate in thread sharing with other agents and actors in a fair manner.
Parameters:
state - The initial internal state of the new Agent instance
Returns:
The created instance

fairAgent

public final Agent fairAgent(java.lang.Object state, groovy.lang.Closure copy)
Creates an agent instance initialized with the given state, which will cooperate in thread sharing with other agents and actors in a fair manner.
Parameters:
copy - A closure to use to create a copy of the internal state when sending the internal state out
state - The initial internal state of the new Agent instance
Returns:
The created instance

fairMessageHandler

public final Actor fairMessageHandler(groovy.lang.Closure code)
Creates an instance of DynamicDispatchActor, which will cooperate in thread sharing with other actors sharing the same thread pool
Parameters:
code - The closure specifying individual message handlers.
Returns:
The new started actor

fairReactor

public final Actor fairReactor(groovy.lang.Closure code)
Creates a reactor around the supplied code, which will cooperate in thread sharing with other actors sharing the same thread pool When a reactor receives a message, the supplied block of code is run with the message as a parameter and the result of the code is send in reply.
Parameters:
code - The code to invoke for each received message
Returns:
A new instance of ReactiveEventBasedThread

fairStaticMessageHandler

public final Actor fairStaticMessageHandler(groovy.lang.Closure code)
Creates an instance of StaticDispatchActor, which will cooperate in thread sharing with other actors sharing the same thread pool.
Parameters:
code - The closure specifying the only statically dispatched message handler.
Returns:
The new started actor

finalize

@SuppressWarnings({"FinalizeDeclaration"})
@Override
protected void finalize()
Shutdown the thread pool gracefully

getPoolSize

public int getPoolSize()
Retrieves the current thread pool size
Returns:
The pool size

getThreadPool

public Pool getThreadPool()

isListAccepting

private static boolean isListAccepting(groovy.lang.Closure code)

messageHandler

public final Actor messageHandler(groovy.lang.Closure code)
Creates an instance of DynamicDispatchActor.
Parameters:
code - The closure specifying individual message handlers.
Returns:
The new started actor

operator

public final DataflowProcessor operator(java.util.Map channels, groovy.lang.Closure code)
Creates an operator using the current parallel group
Parameters:
channels - A map specifying "inputs" and "outputs" - dataflow channels (instances of the DataflowQueue or DataflowVariable classes) to use for inputs and outputs
code - The operator's body to run each time all inputs have a value to read
Returns:
A new started operator instance with all the channels set

operator

public final DataflowProcessor operator(java.util.List inputChannels, java.util.List outputChannels, groovy.lang.Closure code)
Creates an operator using the current parallel group
Parameters:
inputChannels - dataflow channels to use for input
outputChannels - dataflow channels to use for output
code - The operator's body to run each time all inputs have a value to read
Returns:
A new started operator instance with all the channels set

operator

public final DataflowProcessor operator(java.util.List inputChannels, java.util.List outputChannels, int maxForks, groovy.lang.Closure code)
Creates an operator using the current parallel group
Parameters:
inputChannels - dataflow channels to use for input
outputChannels - dataflow channels to use for output
maxForks - Number of parallel threads running operator's body, defaults to 1
code - The operator's body to run each time all inputs have a value to read
Returns:
A new started operator instance with all the channels set

operator

public final DataflowProcessor operator(DataflowReadChannel input, DataflowWriteChannel output, groovy.lang.Closure code)
Creates an operator using the current parallel group
Parameters:
input - a dataflow channel to use for input
output - a dataflow channel to use for output
code - The operator's body to run each time all inputs have a value to read
Returns:
A new started operator instance with all the channels set

operator

public final DataflowProcessor operator(DataflowReadChannel input, DataflowWriteChannel output, int maxForks, groovy.lang.Closure code)
Creates an operator using the current parallel group
Parameters:
input - a dataflow channel to use for input
output - a dataflow channel to use for output
maxForks - Number of parallel threads running operator's body, defaults to 1
code - The operator's body to run each time all inputs have a value to read
Returns:
A new started operator instance with all the channels set

prioritySelector

public final DataflowProcessor prioritySelector(java.util.Map channels, groovy.lang.Closure code)
Creates a prioritizing selector using the default dataflow parallel group Input with lower position index have higher priority.
Parameters:
channels - A map specifying "inputs" and "outputs" - dataflow channels (instances of the DataflowQueue or DataflowVariable classes) to use for inputs and outputs
code - The selector's body to run each time a value is available in any of the inputs channels
Returns:
A new started selector instance with all the channels set

prioritySelector

public final DataflowProcessor prioritySelector(java.util.List inputChannels, java.util.List outputChannels, groovy.lang.Closure code)
Creates a prioritizing selector using the default dataflow parallel group Input with lower position index have higher priority.
Parameters:
inputChannels - dataflow channels to use for input
outputChannels - dataflow channels to use for output
code - The selector's body to run each time a value is available in any of the inputs channels
Returns:
A new started selector instance with all the channels set

prioritySelector

public final DataflowProcessor prioritySelector(java.util.Map channels)
Creates a prioritizing selector using the default dataflow parallel group. Since no body is provided, the selector will simply copy the incoming values to all output channels. Input with lower position index have higher priority.
Parameters:
channels - A map specifying "inputs" and "outputs" - dataflow channels (instances of the DataflowQueue or DataflowVariable classes) to use for inputs and outputs
Returns:
A new started selector instance with all the channels set

prioritySelector

public final DataflowProcessor prioritySelector(java.util.List inputChannels, java.util.List outputChannels)
Creates a prioritizing selector using the default dataflow parallel group. Since no body is provided, the selector will simply copy the incoming values to all output channels. Input with lower position index have higher priority.
Parameters:
inputChannels - dataflow channels to use for input
outputChannels - dataflow channels to use for output
Returns:
A new started selector instance with all the channels set

reactor

public final Actor reactor(groovy.lang.Closure code)
Creates a reactor around the supplied code. When a reactor receives a message, the supplied block of code is run with the message as a parameter and the result of the code is send in reply.
Parameters:
code - The code to invoke for each received message
Returns:
A new instance of ReactiveEventBasedThread

resetDefaultSize

public void resetDefaultSize()
Sets the pool size to the default

resize

public void resize(int poolSize)
Resizes the thread pool to the specified value
Parameters:
poolSize - The new pool size

select

public final Select select(DataflowReadChannel... channels)
Creates a select using the current parallel group. The returns Select instance will allow the user to obtain values from the supplied dataflow variables or streams as they become available.
Parameters:
channels - Dataflow variables or streams to wait for values on

select

public final Select select(java.util.List channels)
Creates a select using the current parallel group. The returns Select instance will allow the user to obtain values from the supplied dataflow variables or streams as they become available.
Parameters:
channels - Dataflow variables or streams to wait for values on

selector

public final DataflowProcessor selector(java.util.Map channels, groovy.lang.Closure code)
Creates a selector using this parallel group
Parameters:
channels - A map specifying "inputs" and "outputs" - dataflow channels (instances of the DataflowQueue or DataflowVariable classes) to use for inputs and outputs
code - The selector's body to run each time a value is available in any of the inputs channels
Returns:
A new started selector instance with all the channels set

selector

public final DataflowProcessor selector(java.util.List inputChannels, java.util.List outputChannels, groovy.lang.Closure code)
Creates a selector using this parallel group
Parameters:
inputChannels - dataflow channels to use for input
outputChannels - dataflow channels to use for output
code - The selector's body to run each time a value is available in any of the inputs channels
Returns:
A new started selector instance with all the channels set

selector

public final DataflowProcessor selector(java.util.Map channels)
Creates a selector using this parallel group. Since no body is provided, the selector will simply copy the incoming values to all output channels.
Parameters:
channels - A map specifying "inputs" and "outputs" - dataflow channels (instances of the DataflowQueue or DataflowVariable classes) to use for inputs and outputs
Returns:
A new started selector instance with all the channels set

selector

public final DataflowProcessor selector(java.util.List inputChannels, java.util.List outputChannels)
Creates a selector using this parallel group. Since no body is provided, the selector will simply copy the incoming values to all output channels.
Parameters:
inputChannels - dataflow channels to use for input
outputChannels - dataflow channels to use for output
Returns:
A new started selector instance with all the channels set

shutdown

public void shutdown()
Gently stops the pool

splitter

public final DataflowProcessor splitter(DataflowReadChannel inputChannel, java.util.List outputChannels)
Creates a splitter copying its single input channel into all of its output channels. The created splitter will be part of this parallel group
Parameters:
inputChannel - The channel to read values from
outputChannels - A list of channels to output to
Returns:
A new started splitter instance with all the channels set

splitter

public final DataflowProcessor splitter(DataflowReadChannel inputChannel, java.util.List outputChannels, int maxForks)
Creates a splitter copying its single input channel into all of its output channels. The created splitter will be part of this parallel group
Parameters:
inputChannel - The channel to read values from
outputChannels - A list of channels to output to
maxForks - Number of threads running the splitter's body, defaults to 1
Returns:
A new started splitter instance with all the channels set

staticMessageHandler

public final Actor staticMessageHandler(groovy.lang.Closure code)
Creates an instance of StaticDispatchActor.
Parameters:
code - The closure specifying the only statically dispatched message handler.
Returns:
The new started actor

task

public final Promise task(groovy.lang.Closure code)
Creates a new task assigned to a thread from the current parallel group. Tasks are a lightweight version of dataflow operators, which do not define their communication channels explicitly, but can only exchange data using explicit DataflowVariables and Streams. Registers itself with Dataflow for nested 'whenBound' handlers to use the same group.
Parameters:
code - The task body to run
Returns:
A DataflowVariable, which gets assigned the value returned from the supplied code

task

public final Promise task(java.util.concurrent.Callable callable)
Creates a new task assigned to a thread from the current parallel group. Tasks are a lightweight version of dataflow operators, which do not define their communication channels explicitly, but can only exchange data using explicit DataflowVariables and Streams. Registers itself with Dataflow for nested 'whenBound' handlers to use the same group.
Parameters:
callable - The task body to run
Returns:
A DataflowVariable, which gets assigned the value returned from the supplied code

task

public final Promise task(java.lang.Runnable code)
Creates a new task assigned to a thread from the current parallel group. Tasks are a lightweight version of dataflow operators, which do not define their communication channels explicitly, but can only exchange data using explicit DataflowVariables and Streams. Registers itself with Dataflow for nested 'whenBound' handlers to use the same group.
Parameters:
code - The task body to run
Returns:
A DataflowVariable, which gets bound to null once the supplied code finishes

whenAllBound

public final Promise whenAllBound(java.util.List promises, groovy.lang.Closure code)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promises - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
- The type of the final result
Returns:
A promise for the final result

whenAllBound

public final Promise whenAllBound(Promise promise1, groovy.lang.Closure code)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promise1 - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
- The type of the final result
Returns:
A promise for the final result

whenAllBound

public final Promise whenAllBound(Promise promise1, Promise promise2, groovy.lang.Closure code)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promise1 - The promises to wait for
promise2 - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
- The type of the final result
Returns:
A promise for the final result

whenAllBound

public final Promise whenAllBound(Promise promise1, Promise promise2, Promise promise3, groovy.lang.Closure code)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promise1 - The promises to wait for
promise2 - The promises to wait for
promise3 - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
- The type of the final result
Returns:
A promise for the final result

whenAllBound

public final Promise whenAllBound(Promise promise1, Promise promise2, Promise promise3, Promise promise4, groovy.lang.Closure code)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promise1 - The promises to wait for
promise2 - The promises to wait for
promise3 - The promises to wait for
promise4 - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
- The type of the final result
Returns:
A promise for the final result

whenAllBound

public final Promise whenAllBound(java.util.List promises, groovy.lang.Closure code, groovy.lang.Closure errorHandler)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promises - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
errorHandler - A closure handling an exception (an instance of Throwable), if if it gets bound
- The type of the final result
Returns:
A promise for the final result

whenAllBound

public final Promise whenAllBound(Promise promise1, groovy.lang.Closure code, groovy.lang.Closure errorHandler)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promise1 - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
errorHandler - A closure handling an exception (an instance of Throwable), if if it gets bound
- The type of the final result
Returns:
A promise for the final result

whenAllBound

public final Promise whenAllBound(Promise promise1, Promise promise2, groovy.lang.Closure code, groovy.lang.Closure errorHandler)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promise1 - The promises to wait for
promise2 - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
errorHandler - A closure handling an exception (an instance of Throwable), if if it gets bound
- The type of the final result
Returns:
A promise for the final result

whenAllBound

public final Promise whenAllBound(Promise promise1, Promise promise2, Promise promise3, groovy.lang.Closure code, groovy.lang.Closure errorHandler)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promise1 - The promises to wait for
promise2 - The promises to wait for
promise3 - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
errorHandler - A closure handling an exception (an instance of Throwable), if if it gets bound
- The type of the final result
Returns:
A promise for the final result

whenAllBound

public final Promise whenAllBound(Promise promise1, Promise promise2, Promise promise3, Promise promise4, groovy.lang.Closure code, groovy.lang.Closure errorHandler)
Without blocking the thread waits for all the promises to get bound and then passes them to the supplied closure.
Parameters:
promise1 - The promises to wait for
promise2 - The promises to wait for
promise3 - The promises to wait for
promise4 - The promises to wait for
code - A closure to execute with concrete values for each of the supplied promises
errorHandler - A closure handling an exception (an instance of Throwable), if if it gets bound
- The type of the final result
Returns:
A promise for the final result

whenAllBound

private void whenAllBound(java.util.List promises, int index, java.util.List values, DataflowVariable result, groovy.lang.Closure code, groovy.lang.Closure errorHandler)
Waits for the promise identified by the index to be bound and then passes on to the next promise in the list
Parameters:
promises - A list of all promises that need to be waited for
index - The index of the current promise to wait for
values - A list of values the so-far processed promises were bound tpo
result - The promise for the final result of the calculation
code - The calculation to execute on the values once they are all bound
- The type of the final result

 

Copyright © 2008–2012 Václav Pech. All Rights Reserved.