LockTableVTI (Apache Derby V10.14 Internals)

java.lang.Object
- org.apache.derby.impl.services.locks.LockTableVTI

All Implemented Interfaces:

java.util.Enumeration
```
class LockTableVTI
extends java.lang.Object
implements java.util.Enumeration
```
This provides an Enumeration of Latch's from a clone of the lock table. A Latch is badly named, it represents lock information.

Field Summary

Fields
Modifier and Type	Field	Description
`private Control`	`control`
`private java.util.ListIterator`	`grantedList`
`private Latch`	`nextLock`
`private java.util.Iterator`	`outerControl`
`private java.util.ListIterator`	`waitingList`

Constructor Summary

Constructors
Constructor Description

LockTableVTI(java.util.Map clonedLockTable)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private Latch`	`getNextLock(Control control)`
`boolean`	`hasMoreElements()`
`java.lang.Object`	`nextElement()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Enumeration
asIterator

Field Detail

outerControl

private final java.util.Iterator outerControl

control
```
private Control control
```

grantedList

private java.util.ListIterator grantedList

waitingList

private java.util.ListIterator waitingList

nextLock
```
private Latch nextLock
```

Constructor Detail

LockTableVTI

LockTableVTI(java.util.Map clonedLockTable)

Method Detail
- hasMoreElements
```
public boolean hasMoreElements()
```
  Specified by:
  
  hasMoreElements in interface java.util.Enumeration
- getNextLock
```
private Latch getNextLock(Control control)
```
- nextElement
```
public java.lang.Object nextElement()
```
  Specified by:
  
  nextElement in interface java.util.Enumeration