Java Doc for JavaClass.java in  » IDE-Netbeans » cvsclient » org » netbeans » lib » profiler » heap » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » cvsclient » org.netbeans.lib.profiler.heap 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.netbeans.lib.profiler.heap.JavaClass

All known Subclasses:   org.netbeans.lib.profiler.heap.ClassDump,
JavaClass
public interface JavaClass extends Type(Code)
This class represents java.lang.Class instances on the heap.
author:
   Tomas Hurka




Method Summary
 intgetAllInstancesSize()
     returns the size of all instances in bytes.
 InstancegetClassLoader()
     returns Instance representing class loader of this class.
 ListgetFields()
     returns List of instance fields of this JavaClass .
 intgetInstanceSize()
     returns the size of the Instance in bytes if this JavaClass does not represent array.
 ListgetInstances()
     computes the list of all Instance of this class.
 intgetInstancesCount()
     gets number of instances of this class.
 longgetJavaClassId()
     gets unique (in whole heap) ID of this JavaClass .
 StringgetName()
     return human readable name of the class. Innerclasses are separated by $.
 ListgetStaticFieldValues()
     computes the list of instance field values.
 CollectiongetSubClasses()
     returns all subclasses of this class.
 JavaClassgetSuperClass()
     returns JavaClass representing super class of this class.
public  ObjectgetValueOfStaticField(String name)
     Returns a value object that reflects the specified static field of the class represented by this JavaClass object.
 booleanisArray()
     returns true if this JavaClass represents array (for examle: java.lang.String[]).



Method Detail
getAllInstancesSize
int getAllInstancesSize()(Code)
returns the size of all instances in bytes. For non array classes this is computed as getInstancesCount()*getInstanceSize(). Instance size of all instances is summed for arrays.
Speed: normal the size of all instances in bytes



getClassLoader
Instance getClassLoader()(Code)
returns Instance representing class loader of this class.
Speed: fast class loader



getFields
List getFields()(Code)
returns List of instance fields of this JavaClass .
Speed: normal list of Field instance fields



getInstanceSize
int getInstanceSize()(Code)
returns the size of the Instance in bytes if this JavaClass does not represent array. For arrays -1 is returned
Speed: fast returns the size of the Instance in bytes, for arrays -1 is returned.



getInstances
List getInstances()(Code)
computes the list of all Instance of this class. The instaces are ordered according to Instance.getInstanceNumber
Speed: slow list Instance of instances



getInstancesCount
int getInstancesCount()(Code)
gets number of instances of this class.
Speed: first invocation is slow, all subsequent invocations are fast number of instances



getJavaClassId
long getJavaClassId()(Code)
gets unique (in whole heap) ID of this JavaClass .
Speed: fast ID of this JavaClass



getName
String getName()(Code)
return human readable name of the class. Innerclasses are separated by $. Anonymous classes uses $1 $2 etc. Arrays uses [] after the class or primitive type name
Speed: fast name of the class



getStaticFieldValues
List getStaticFieldValues()(Code)
computes the list of instance field values. The order is fields of this class followed by super class, etc.
Speed: normal list of FieldValue instance field values.



getSubClasses
Collection getSubClasses()(Code)
returns all subclasses of this class. This method works recursivelly so it returns also subclasses of subclasses etc.
Speed: slow returns the Collection of JavaClass.



getSuperClass
JavaClass getSuperClass()(Code)
returns JavaClass representing super class of this class.
Speed: fast super class (super class of java.lang.Object is null)



getValueOfStaticField
public Object getValueOfStaticField(String name)(Code)
Returns a value object that reflects the specified static field of the class represented by this JavaClass object. The name parameter is a String that specifies the simple name of the desired static field.
Speed: normal
Parameters:
  name - the name of the field @return the value for the specified static field in this class.If a static field with the specified name is not found null is returned.If the field.getType() is Type object Instance is returned as field value,for primitive types its corresponding object wapper (Boolean, Integer, Float, etc.) is returned.



isArray
boolean isArray()(Code)
returns true if this JavaClass represents array (for examle: java.lang.String[]).
Speed: fast true if this class represents array, false otherwise



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