Package com.github.javaparser.ast.observer

Class PropagatingAstObserver

java.lang.Object

com.github.javaparser.ast.observer.PropagatingAstObserver

All Implemented Interfaces:

AstObserver

public abstract class PropagatingAstObserver
extends Object
implements AstObserver

This AstObserver attach itself to all new nodes added to the nodes already observed.

Nested Class Summary

Nested classes/interfaces inherited from interface com.github.javaparser.ast.observer.AstObserver

AstObserver.ListChangeType

Constructor Summary

Constructors

Constructor	Description
PropagatingAstObserver()

Method Summary

Modifier and Type	Method	Description
void	concreteListChange(NodeList observedNode, AstObserver.ListChangeType type, int index, Node nodeAddedOrRemoved)
void	concreteListReplacement(NodeList observedNode, int index, Node oldValue, Node newValue)
void	concretePropertyChange(Node observedNode, ObservableProperty property, Object oldValue, Object newValue)
void	listChange(NodeList observedNode, AstObserver.ListChangeType type, int index, Node nodeAddedOrRemoved)	A list is changed
void	listReplacement(NodeList observedNode, int index, Node oldNode, Node newNode)
void	parentChange(Node observedNode, Node previousParent, Node newParent)	The parent of a node is changed
void	propertyChange(Node observedNode, ObservableProperty property, Object oldValue, Object newValue)	The value of a property is changed
static PropagatingAstObserver	transformInPropagatingObserver(AstObserver observer)	Wrap a given observer to make it self-propagating.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropagatingAstObserver

public PropagatingAstObserver()

Method Detail

transformInPropagatingObserver

public static PropagatingAstObserver transformInPropagatingObserver(AstObserver observer)

Wrap a given observer to make it self-propagating. If the given observer is an instance of PropagatingAstObserver the observer is returned without changes.

propertyChange

public final void propertyChange(Node observedNode,
                                 ObservableProperty property,
                                 Object oldValue,
                                 Object newValue)

Description copied from interface: AstObserver

The value of a property is changed

Specified by:

propertyChange in interface AstObserver

Parameters:

observedNode - owner of the property

property - property changed

oldValue - value of the property before the change

newValue - value of the property after the change

listChange

public final void listChange(NodeList observedNode,
                             AstObserver.ListChangeType type,
                             int index,
                             Node nodeAddedOrRemoved)

Description copied from interface: AstObserver

A list is changed

Specified by:

listChange in interface AstObserver

Parameters:

observedNode - list changed

type - type of change

index - position at which the changed occurred

nodeAddedOrRemoved - element added or removed

listReplacement

public void listReplacement(NodeList observedNode,
                            int index,
                            Node oldNode,
                            Node newNode)

Specified by:

listReplacement in interface AstObserver

concretePropertyChange

public void concretePropertyChange(Node observedNode,
                                   ObservableProperty property,
                                   Object oldValue,
                                   Object newValue)

concreteListChange

public void concreteListChange(NodeList observedNode,
                               AstObserver.ListChangeType type,
                               int index,
                               Node nodeAddedOrRemoved)

concreteListReplacement

public void concreteListReplacement(NodeList observedNode,
                                    int index,
                                    Node oldValue,
                                    Node newValue)

parentChange

public void parentChange(Node observedNode,
                         Node previousParent,
                         Node newParent)

Description copied from interface: AstObserver

The parent of a node is changed

Specified by:

parentChange in interface AstObserver

Parameters:

observedNode - node of which the parent is changed

previousParent - previous parent

newParent - new parent