public interface IObservable extends IXholon
on Java.util.Observable class; inspired by Gamma et al. (1995). Design Patterns. (Observer pattern)
DEFAULT_SIZE_MSG_Q, DEFAULT_SIZE_SYSTEM_MSG_Q, GETNAME_DEFAULT, GETNAME_LOCALPART_ID, GETNAME_NOROLENAME, GETNAME_ROLENAME_OR_CLASSNAME, GETNAME_ROLENAMESEP_, GETNAME_SIZE_TEMPLATE, NINCLUDE_PSC, NINCLUDE_PSx, NINCLUDE_PxC, NINCLUDE_Pxx, NINCLUDE_xSC, NINCLUDE_xSx, NINCLUDE_xxC, NINCLUDE_xxx, XHOLON_ID_DEFAULT, XHOLON_ID_NULL
Modifier and Type | Method and Description |
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void |
addObserver(IXholon o)
Adds an observer to the set of observers for this object.
|
int |
countObservers()
Returns the number of observers of this Observable object.
|
void |
deleteObserver(IXholon o)
Deletes an observer from the set of observers of this object.
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void |
deleteObservers()
Clears the observer list so that this object no longer has any observers.
|
java.lang.Object |
getChangedData()
Get changed data.
|
boolean |
hasChanged()
Tests if this object has changed.
|
void |
notifyObservers()
If this object has changed, then notify all of its observers.
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void |
notifyObservers(java.lang.Object arg)
If this object has changed, then notify all of its observers.
|
act, actNr, appendChild, appendChild, appendChild, appendsOwnChildren, bindPorts, cleanup, configure, configure, consoleLog, decVal, decVal, depth, doAction, findFirstChildWithXhClass, findFirstChildWithXhClass, forwardMessage, forwardSyncMessage, getActionList, getAllPorts, getAnnotation, getApp, getAttributeNodeXh, getAttributeXh, getChildNodes, getClassNode, getClassNode, getFirstChild, getFirstSibling, getId, getLastChild, getLastSibling, getName, getName, getNeighbors, getNextSibling, getNthChild, getNthSibling, getNumChildren, getNumLevels, getNumSiblings, getParentNode, getPort, getPort, getPreviousSibling, getRoleName, getRootNode, getSelfAndSiblings, getSelfAndSiblingsIndex, getService, getSiblings, getUid, getUri, getVal_boolean, getVal_byte, getVal_char, getVal_double, getVal_float, getVal_int, getVal_long, getVal_Object, getVal_short, getVal_String, getVal, getXhc, getXhcId, getXhcName, getXholon2Xml, getXhType, getXml2Xholon, handleNodeSelection, handleNodeSelection, hasAncestor, hasAnnotation, hasAttributeXh, hasChildNodes, hasChildOrSiblingNodes, hasNextSibling, hasParentNode, hasSiblingNodes, height, incVal, incVal, initialize, initStatics, inOrderPrint, insertAfter, insertAfter, insertAfter, insertBefore, insertBefore, insertBefore, insertFirstChild, isActiveObject, isAttributeHandler, isBound, isContainer, isExternal, isInternal, isLeaf, isPassiveObject, isRootNode, isUniqueSibling, isUniqueSiblingRoleName, performActivity, performActivity, performBooleanActivity, performBooleanActivity, performDoubleActivity, performGuard, performVoidActivity, postAct, postConfigure, postOrderPrint, postReconfigure, preAct, preConfigure, preOrderPrint, preReconfigure, print, println, processMessageQ, processReceivedMessage, processReceivedSyncMessage, processSystemMessageQ, reconfigure, registerMessageForwardee, remove, removeAttributeNodeXh, removeAttributeXh, removeChild, replaceNode, searchForReferencingNodes, sendMessage, sendMessage, sendMessage, sendSyncMessage, sendSyncMessage, sendSyncMessage, sendSystemMessage, sendSystemMessage, setActionList, setAnnotation, setApp, setAttributeNodeXh, setAttributeVal, setAttributeXh, setFirstChild, setId, setName, setNextSibling, setParentChildLinks, setParentNode, setParentSiblingLinks, setPort, setPort, setPorts, setRoleName, setUid, setUri, setVal_boolean, setVal_byte, setVal_char, setVal_double, setVal_float, setVal_int, setVal_long, setVal_Object, setVal_short, setVal_String, setVal, setVal, setVal, setVal, setVal, setVal, setVal, setVal, setVal, setVal, setXhc, showAnnotation, swapNode, terminate, toXml, toXmlAttribute, toXmlAttributes, toXmlText, treeSize, visit
void addObserver(IXholon o)
o
- An observer.int countObservers()
void deleteObserver(IXholon o)
o
- An observer.void deleteObservers()
void notifyObservers()
void notifyObservers(java.lang.Object arg)
arg
- Some data.boolean hasChanged()
java.lang.Object getChangedData()