MasterProcedureScheduler.Queue (Apache HBase 1.2.12 API)

java.lang.Object
- org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler.Queue<TKey>

All Implemented Interfaces:

MasterProcedureScheduler.QueueInterface

Direct Known Subclasses:

MasterProcedureScheduler.QueueImpl

Enclosing class:

MasterProcedureScheduler
```
private abstract static class MasterProcedureScheduler.Queue<TKey extends Comparable<TKey>>
extends Object
implements MasterProcedureScheduler.QueueInterface
```

Field Summary

Fields
Modifier and Type	Field and Description
`private int`	`avlHeight`
`private MasterProcedureScheduler.Queue<TKey>`	`avlLeft`
`private MasterProcedureScheduler.Queue<TKey>`	`avlRight`
`private long`	`exclusiveLockProcIdOwner`
`private MasterProcedureScheduler.Queue<TKey>`	`iterNext`
`private MasterProcedureScheduler.Queue<TKey>`	`iterPrev`
`private TKey`	`key`
`private int`	`priority`
`private int`	`sharedLock`
`private boolean`	`suspended`

Constructor Summary

Constructors
Constructor and Description

MasterProcedureScheduler.Queue(TKey key)

MasterProcedureScheduler.Queue(TKey key, int priority)

Constructors
Constructor and Description
`MasterProcedureScheduler.Queue(TKey key)`
`MasterProcedureScheduler.Queue(TKey key, int priority)`

Method Summary

Methods
Modifier and Type	Method and Description
`int`	`compareKey(TKey cmpKey)`
`int`	`compareTo(MasterProcedureScheduler.Queue<TKey> other)`
`protected TKey`	`getKey()`
`protected int`	`getPriority()`
`boolean`	`hasExclusiveLock()`
`boolean`	`isAvailable()`
`boolean`	`isLocked()`
`protected boolean`	`isSingleSharedLock()`
`boolean`	`isSuspended()` True if the queue is not in the run-queue and it is owned by an event.
`void`	`releaseExclusiveLock()`
`void`	`releaseSharedLock()`
`protected boolean`	`setSuspended(boolean isSuspended)`
`String`	`toString()`
`boolean`	`tryExclusiveLock(long procIdOwner)`
`boolean`	`trySharedLock()`

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

Methods inherited from interface org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler.QueueInterface
add, isEmpty, peek, poll, requireExclusiveLock, size

Field Detail

avlRight

private MasterProcedureScheduler.Queue<TKey extends Comparable<TKey>> avlRight

avlLeft

private MasterProcedureScheduler.Queue<TKey extends Comparable<TKey>> avlLeft

avlHeight
```
private int avlHeight
```

iterNext

private MasterProcedureScheduler.Queue<TKey extends Comparable<TKey>> iterNext

iterPrev

private MasterProcedureScheduler.Queue<TKey extends Comparable<TKey>> iterPrev

suspended
```
private boolean suspended
```

exclusiveLockProcIdOwner
```
private long exclusiveLockProcIdOwner
```

sharedLock
```
private int sharedLock
```

key

private final TKey extends Comparable<TKey> key

priority
```
private final int priority
```

Constructor Detail

MasterProcedureScheduler.Queue

public MasterProcedureScheduler.Queue(TKey key)

MasterProcedureScheduler.Queue

public MasterProcedureScheduler.Queue(TKey key,
                              int priority)

Method Detail

getKey
```
protected TKey getKey()
```

getPriority
```
protected int getPriority()
```

isSuspended
```
public boolean isSuspended()
```
True if the queue is not in the run-queue and it is owned by an event.

Specified by:

isSuspended in interface MasterProcedureScheduler.QueueInterface

setSuspended

protected boolean setSuspended(boolean isSuspended)

isLocked
```
public boolean isLocked()
```

hasExclusiveLock
```
public boolean hasExclusiveLock()
```

trySharedLock
```
public boolean trySharedLock()
```

releaseSharedLock
```
public void releaseSharedLock()
```

isSingleSharedLock

protected boolean isSingleSharedLock()

tryExclusiveLock

public boolean tryExclusiveLock(long procIdOwner)

releaseExclusiveLock
```
public void releaseExclusiveLock()
```

isAvailable
```
public boolean isAvailable()
```
Specified by:

isAvailable in interface MasterProcedureScheduler.QueueInterface

compareKey
```
public int compareKey(TKey cmpKey)
```

compareTo

public int compareTo(MasterProcedureScheduler.Queue<TKey> other)

toString
```
public String toString()
```
Overrides:

toString in class Object

Class MasterProcedureScheduler.Queue<TKey extends Comparable<TKey>>

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler.QueueInterface

Field Detail

avlRight

avlLeft

avlHeight

iterNext

iterPrev

suspended

exclusiveLockProcIdOwner

sharedLock

key

priority

Constructor Detail

MasterProcedureScheduler.Queue

MasterProcedureScheduler.Queue

Method Detail

getKey

getPriority

isSuspended

setSuspended

isLocked

hasExclusiveLock

trySharedLock

releaseSharedLock

isSingleSharedLock

tryExclusiveLock

releaseExclusiveLock

isAvailable

compareKey

compareTo

toString