org.apache.flex.compiler.internal.codegen.databinding

Class WatcherInfoBase

java.lang.Object

org.apache.flex.compiler.internal.codegen.databinding.WatcherInfoBase

Direct Known Subclasses:

FunctionWatcherInfo, PropertyWatcherInfo, XMLWatcherInfo

public class WatcherInfoBase
extends Object

base class for the different watcher info classes Contains all the information needed to CG an mx.binding.Watcher object There is a one to one relationship between instances of this class, and Flex Watcher objects that will be created at runtime This class has two purposes: The main one it to provide a convenient way for the derived classes to inherit functionality In some cases, also used as a polymorphic case class.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WatcherInfoBase.WatcherType

Field Summary

Fields

Modifier and Type	Field and Description
protected List<BindingInfo>	bindingInfoList all of the bindings that wish to listen to this watcher
protected Map<Object,WatcherInfoBase>	children
protected int	index Id of the watcher (index in the _watchers array)
boolean	isRoot Is this watcher at top of the watcher chain?
protected WatcherInfoBase.WatcherType	type

Constructor Summary

Constructors

Constructor and Description
WatcherInfoBase(Collection<ICompilerProblem> problems, IASNode sourceNode, List<String> eventNames)

Method Summary

Methods

Modifier and Type	Method and Description
void	addBinding(BindingInfo bindingInfo)
int	assignIndex(int i)
protected String	dump(String leadingSpace) For debug only!
List<BindingInfo>	getBindings() get a list of the BindingInfo objects that correspond to the Binding objects that will be associated with the Watcher
Set<Map.Entry<Object,WatcherInfoBase>>	getChildren()
List<String>	getEventNames()
int	getIndex()
protected Map<Object,WatcherInfoBase>	getOrCreateChildren()
WatcherInfoBase.WatcherType	getType()
String	toString() For debug only!

Methods inherited from class java.lang.Object

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

Field Detail

bindingInfoList

protected List<BindingInfo> bindingInfoList

all of the bindings that wish to listen to this watcher

index

protected int index

Id of the watcher (index in the _watchers array)

type

protected WatcherInfoBase.WatcherType type

children

protected Map<Object,WatcherInfoBase> children

isRoot

public boolean isRoot

Is this watcher at top of the watcher chain?

Constructor Detail

WatcherInfoBase

public WatcherInfoBase(Collection<ICompilerProblem> problems,
               IASNode sourceNode,
               List<String> eventNames)

Parameters:

problems - - problems may be returned here in some cases

sourceNode - - the tree node that the watcher will be watching

eventNames - - the events that are fired when the watched item changes

Method Detail

getType

public WatcherInfoBase.WatcherType getType()

addBinding

public void addBinding(BindingInfo bindingInfo)

assignIndex

public int assignIndex(int i)

Parameters:

i - is the index to be assigned to "this"

Returns:

the next available index

getIndex

public int getIndex()

getEventNames

public List<String> getEventNames()

getBindings

public List<BindingInfo> getBindings()

get a list of the BindingInfo objects that correspond to the Binding objects that will be associated with the Watcher

toString

public String toString()

For debug only!

Overrides:

toString in class Object

dump

protected String dump(String leadingSpace)

For debug only!

getChildren

public Set<Map.Entry<Object,WatcherInfoBase>> getChildren()

Returns:

child list, or null if none created

getOrCreateChildren

protected Map<Object,WatcherInfoBase> getOrCreateChildren()

Returns:

the child list. May create it if not created yet