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Java Source Code / Java Documentation » JMX » je » com.sleepycat.persist.impl 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.sleepycat.persist.impl.VisitedObjects

VisitedObjects
class VisitedObjects (Code)
Keeps track of a set of visited objects and their corresponding offset in a byte array. This uses a resizable int array for speed and simplicity. If in the future the array resizing or linear search are performance issues, we could try using an IdentityHashMap instead.
author:
   Mark Hayes


Field Summary
final static  intPRI_KEY_VISITED_OFFSET
    
final static  StringPROHIBIT_NESTED_REF_MSG
    
final static  ObjectPROHIBIT_REF_OBJECT
    
final static  intPROHIBIT_REF_OFFSET
    

Constructor Summary
 VisitedObjects()
     Creates an empty set.

Method Summary
 intadd(Object o, int offset)
     Adds a visited object and offset, growing the visited arrays as needed.
 ObjectgetObject(int offset)
     Returns the visited object for a given offset, or null if never visited.
 intgetOffset(Object o)
     Returns the offset for a visited object, or -1 if never visited.
 voidreplaceObject(Object existing, Object replacement)
     Replaces a given object in the list.
 voidsetObject(int index, Object o)
     Sets the object for an existing slot index.
 voidsetOffset(int index, int offset)
     Sets the offset for an existing slot index.

Field Detail
PRI_KEY_VISITED_OFFSET
final static int PRI_KEY_VISITED_OFFSET(Code)



PROHIBIT_NESTED_REF_MSG
final static String PROHIBIT_NESTED_REF_MSG(Code)



PROHIBIT_REF_OBJECT
final static Object PROHIBIT_REF_OBJECT(Code)



PROHIBIT_REF_OFFSET
final static int PROHIBIT_REF_OFFSET(Code)




Constructor Detail
VisitedObjects
VisitedObjects()(Code)
Creates an empty set.




Method Detail
add
int add(Object o, int offset)(Code)
Adds a visited object and offset, growing the visited arrays as needed. the index of the new slot.



getObject
Object getObject(int offset)(Code)
Returns the visited object for a given offset, or null if never visited.



getOffset
int getOffset(Object o)(Code)
Returns the offset for a visited object, or -1 if never visited.



replaceObject
void replaceObject(Object existing, Object replacement)(Code)
Replaces a given object in the list. Used when an object is converted after adding it to the list.



setObject
void setObject(int index, Object o)(Code)
Sets the object for an existing slot index.



setOffset
void setOffset(int index, int offset)(Code)
Sets the offset for an existing slot index.



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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