com.goldencode.p2j.ui.client.event

Class InvocationEvent

java.lang.Object

com.goldencode.p2j.ui.client.event.Event

com.goldencode.p2j.ui.client.event.InvocationEvent

All Implemented Interfaces:

Printable

public class InvocationEvent
extends Event

This pseudo-event allows to execute instances of Runnable on the event thread.

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	priority This flag marks invocation events (like for window activation) that must be executed at the same time with main event processing.
private java.lang.Runnable	runnable Reference to Runnable which will be executed on the event thread.

Constructor Summary

Constructors

Constructor and Description
InvocationEvent(boolean priority, java.lang.Runnable runnable) Default constructor.
InvocationEvent(java.lang.Runnable runnable) Default constructor.
InvocationEvent(Widget source, boolean priority, java.lang.Runnable runnable) Constructs the invocation event for the given pair of a widget and its runnable having the given priority value.
InvocationEvent(Widget source, java.lang.Runnable runnable) Constructs the invocation event for the given pair of a widget and its runnable.

Method Summary

Modifier and Type	Method and Description
java.lang.Runnable	getRunnable() Runnable getter.
boolean	isPriority() Get the state of the priority flag.
void	print(PrintHelper printer) Print all class-specific fields.

Methods inherited from class com.goldencode.p2j.ui.client.event.Event

consume, id, isConsumed, merge, other, source, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.goldencode.util.Printable

asString

Field Detail

runnable

private final java.lang.Runnable runnable

Reference to Runnable which will be executed on the event thread.

priority

private final boolean priority

This flag marks invocation events (like for window activation) that must be executed at the same time with main event processing.

Constructor Detail

InvocationEvent

public InvocationEvent(java.lang.Runnable runnable)

Default constructor.

Parameters:

runnable - A reference to Runnable to be executed on the event thread.

Throws:

java.lang.IllegalArgumentException - when runnable is null.

InvocationEvent

public InvocationEvent(Widget source,
                       java.lang.Runnable runnable)

Constructs the invocation event for the given pair of a widget and its runnable.

Parameters:

source - A widget source which method to be executed on the event thread.

runnable - A reference to Runnable to be executed on the event thread.

Throws:

java.lang.IllegalArgumentException - when runnable is null.

InvocationEvent

public InvocationEvent(boolean priority,
                       java.lang.Runnable runnable)

Default constructor.

Parameters:

priority - Mark OS events which need to execute with the main 4GL event processing, and not wait for a event processing loop.

runnable - A reference to Runnable to be executed on the event thread.

Throws:

java.lang.IllegalArgumentException - when runnable is null.

InvocationEvent

public InvocationEvent(Widget source,
                       boolean priority,
                       java.lang.Runnable runnable)

Constructs the invocation event for the given pair of a widget and its runnable having the given priority value.

Parameters:

source - A widget source which method to be executed on the event thread.

priority - Mark OS events which need to execute with the main 4GL event processing, and not wait for event processing loop.

runnable - A reference to Runnable to be executed on the event thread.

Throws:

java.lang.IllegalArgumentException - when runnable is null.

Method Detail

getRunnable

public java.lang.Runnable getRunnable()

Runnable getter.

Returns:

the associated Runnable reference.

isPriority

public boolean isPriority()

Get the state of the priority flag.

Returns:

See above.

print

public void print(PrintHelper printer)

Print all class-specific fields.

Specified by:

print in interface Printable

Overrides:

print in class Event

Parameters:

printer - the string printer to print into