ProcedureSimpleRunQueue (Apache HBase 1.4.11 API)

java.lang.Object
- org.apache.hadoop.hbase.procedure2.ProcedureSimpleRunQueue

All Implemented Interfaces:: ProcedureRunnableSet

@InterfaceAudience.Private
@InterfaceStability.Evolving
public class ProcedureSimpleRunQueue
extends Object
implements ProcedureRunnableSet

Simple runqueue for the procedures

Constructor Summary

Constructors
Constructor and Description

ProcedureSimpleRunQueue()

Constructors
Constructor and Description
`ProcedureSimpleRunQueue()`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addBack(Procedure proc)` Inserts the specified element at the end of this queue.
`void`	`addFront(Procedure proc)` Inserts the specified element at the front of this queue.
`void`	`clear()` Removes all of the elements from this collection.
`void`	`completionCleanup(Procedure proc)` The procedure in execution completed.
`Procedure`	`poll()` Fetch one Procedure from the queue
`void`	`signalAll()` In case the class is blocking on poll() waiting for items to be added, this method should awake poll() and poll() should return.
`int`	`size()` Returns the number of elements in this collection.
`void`	`yield(Procedure proc)` The procedure can't run at the moment.

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

- Constructor Detail
  - ProcedureSimpleRunQueue
```
public ProcedureSimpleRunQueue()
```
- Method Detail
  - addFront
```
public void addFront(Procedure proc)
```
    Description copied from interface: ProcedureRunnableSet
    
    Inserts the specified element at the front of this queue.
    
    Specified by:
    
    addFront in interface ProcedureRunnableSet
    
    Parameters:
    proc - the Procedure to add
  - addBack
```
public void addBack(Procedure proc)
```
    Description copied from interface: ProcedureRunnableSet
    
    Inserts the specified element at the end of this queue.
    
    Specified by:
    
    addBack in interface ProcedureRunnableSet
    
    Parameters:
    proc - the Procedure to add
  - yield
```
public void yield(Procedure proc)
```
    Description copied from interface: ProcedureRunnableSet
    
    The procedure can't run at the moment. add it back to the queue, giving priority to someone else.
    
    Specified by:
    
    yield in interface ProcedureRunnableSet
    
    Parameters:
    proc - the Procedure to add back to the list
  - poll
```
public Procedure poll()
```
    Description copied from interface: ProcedureRunnableSet
    
    Fetch one Procedure from the queue
    
    Specified by:
    
    poll in interface ProcedureRunnableSet
    
    Returns:
    the Procedure to execute, or null if nothing present.
  - signalAll
```
public void signalAll()
```
    Description copied from interface: ProcedureRunnableSet
    
    In case the class is blocking on poll() waiting for items to be added, this method should awake poll() and poll() should return.
    
    Specified by:
    
    signalAll in interface ProcedureRunnableSet
  - clear
```
public void clear()
```
    Description copied from interface: ProcedureRunnableSet
    
    Removes all of the elements from this collection.
    
    Specified by:
    
    clear in interface ProcedureRunnableSet
  - size
```
public int size()
```
    Description copied from interface: ProcedureRunnableSet
    
    Returns the number of elements in this collection.
    
    Specified by:
    
    size in interface ProcedureRunnableSet
    
    Returns:
    the number of elements in this collection.
  - completionCleanup
```
public void completionCleanup(Procedure proc)
```
    Description copied from interface: ProcedureRunnableSet
    
    The procedure in execution completed. This can be implemented to perform cleanups.
    
    Specified by:
    
    completionCleanup in interface ProcedureRunnableSet
    
    Parameters:
    proc - the Procedure that completed the execution.

Class ProcedureSimpleRunQueue

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ProcedureSimpleRunQueue

Method Detail

addFront

addBack

yield

poll

signalAll

clear

size

completionCleanup