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java.lang.Objectorg.apache.felix.ipojo.util.Callback
org.apache.felix.ipojo.handlers.dependency.DependencyCallback
public class DependencyCallback
This class allwos the creation of callback when service dependency arrives or disappear.
Field Summary | |
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static int |
BIND
Bind method (called when a service arrives). |
static int |
MODIFIED
Updated method (called when a service is modified). |
static int |
UNBIND
Unbind method (called when a service disappears). |
Fields inherited from class org.apache.felix.ipojo.util.Callback |
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m_methodObj |
Constructor Summary | |
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DependencyCallback(Dependency dep,
String method,
int methodType)
Constructor. |
Method Summary | |
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protected void |
call(ServiceReference ref,
Object obj)
Call the callback method with a service reference. |
protected void |
callOnInstance(Object instance,
ServiceReference ref,
Object obj)
Call the callback on the given instance with the given argument. |
String |
getMethodName()
|
int |
getMethodType()
|
protected void |
searchMethod()
Search the method object in the POJO by analyzing present method. |
void |
setArgument(String[] arg)
Set the argument type (Empty or the class name). |
Methods inherited from class org.apache.felix.ipojo.util.Callback |
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call, call, call, call, getArguments, getMethod |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int BIND
public static final int UNBIND
public static final int MODIFIED
Constructor Detail |
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public DependencyCallback(Dependency dep, String method, int methodType)
dep
- : the dependency attached to this dependency callbackmethod
- : the method to callmethodType
- : is the method to call a bind method or an unbind
methodMethod Detail |
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public int getMethodType()
public String getMethodName()
public void setArgument(String[] arg)
arg
- : the array of argument types.protected void searchMethod()
searchMethod
in class Callback
protected void call(ServiceReference ref, Object obj) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException
ref
- : the service reference to send to the methodobj
- : the service object
NoSuchMethodException
- : Method is not found in the class
InvocationTargetException
- : The method is not static
IllegalAccessException
- : The method can not be invokedprotected void callOnInstance(Object instance, ServiceReference ref, Object obj) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException
instance
- : the instance on which call the callbackref
- : the service reference to send to the callbackobj
- : the service object
NoSuchMethodException
- : the method is not found
IllegalAccessException
- : the method could not be called
InvocationTargetException
- : an error happens in the called method
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