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Java Source Code / Java Documentation » Scripting » rhino » org.mozilla.javascript

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.mozilla.javascript .ClassCache

ClassCache
public class ClassCache (Code)
	Cache of generated classes and data structures to access Java runtime from JavaScript. author: Igor Bukanov since: Rhino 1.5 Release 5

Method Summary
public boolean	associate(ScriptableObject topScope) Associate ClassCache object with the given top-level scope. The ClassCache object can only be associated with the given scope once. Parameters: topScope - scope to associate this ClassCache object with.
synchronized void	cacheInterfaceAdapter(Class cl, Object iadapter)
public synchronized void	clearCaches() Empty caches of generated Java classes and Java reflection information.
public static ClassCache	get(Scriptable scope) Search for ClassCache object in the given scope. The method first calls ScriptableObject.getTopLevelScope(Scriptable scope) to get the top most scope and then tries to locate associated ClassCache object in the prototype chain of the top scope. Parameters: scope - scope to search for ClassCache object.
Map<Class<?>, JavaMembers>	getClassCacheMap()
Object	getInterfaceAdapter(Class cl)
Map<JavaAdapter.JavaAdapterSignature, Class<?>>	getInterfaceAdapterCacheMap()
final public boolean	isCachingEnabled() Check if generated Java classes and Java reflection information is cached.
public boolean	isInvokerOptimizationEnabled()
final public synchronized int	newClassSerialNumber() Internal engine method to return serial number for generated classes to ensure name uniqueness.
public synchronized void	setCachingEnabled(boolean enabled) Set whether to cache some values. By default, the engine will cache the results of `Class.getMethods()` and similar calls. This can speed execution dramatically, but increases the memory footprint.
public synchronized void	setInvokerOptimizationEnabled(boolean enabled)

Method Detail

associate
public boolean associate(ScriptableObject topScope)(Code)
	Associate ClassCache object with the given top-level scope. The ClassCache object can only be associated with the given scope once. Parameters: topScope - scope to associate this ClassCache object with. true if no previous ClassCache objects were embedded intothe scope and this ClassCache were successfully associatedor false otherwise. See Also: ClassCache.get(Scriptable scope)

cacheInterfaceAdapter
synchronized void cacheInterfaceAdapter(Class cl, Object iadapter)(Code)

clearCaches
public synchronized void clearCaches()(Code)
	Empty caches of generated Java classes and Java reflection information.

get
public static ClassCache get(Scriptable scope)(Code)
	Search for ClassCache object in the given scope. The method first calls ScriptableObject.getTopLevelScope(Scriptable scope) to get the top most scope and then tries to locate associated ClassCache object in the prototype chain of the top scope. Parameters: scope - scope to search for ClassCache object. previously associated ClassCache object or a new instance ofClassCache if no ClassCache object was found. See Also: ClassCache.associate(ScriptableObject topScope)

getClassCacheMap
Map<Class<?>, JavaMembers> getClassCacheMap()(Code)
	a map from classes to associated JavaMembers objects

getInterfaceAdapter
Object getInterfaceAdapter(Class cl)(Code)

getInterfaceAdapterCacheMap
Map<JavaAdapter.JavaAdapterSignature, Class<?>> getInterfaceAdapterCacheMap()(Code)

isCachingEnabled
final public boolean isCachingEnabled()(Code)
	Check if generated Java classes and Java reflection information is cached.

isInvokerOptimizationEnabled
public boolean isInvokerOptimizationEnabled()(Code)
	See Also: ClassCache.setInvokerOptimizationEnabled(boolean enabled)

newClassSerialNumber
final public synchronized int newClassSerialNumber()(Code)
	Internal engine method to return serial number for generated classes to ensure name uniqueness.

setCachingEnabled

public synchronized void setCachingEnabled(boolean enabled)(Code)

Set whether to cache some values.

By default, the engine will cache the results of Class.getMethods() and similar calls. This can speed execution dramatically, but increases the memory footprint. Also, with caching enabled, references may be held to objects past the lifetime of any real usage.

If caching is enabled and this method is called with a false argument, the caches will be emptied.

Caching is enabled by default.
Parameters:
enabled - if true, caching is enabled
See Also: ClassCache.clearCaches()

setInvokerOptimizationEnabled
public synchronized void setInvokerOptimizationEnabled(boolean enabled)(Code)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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