BucketAllocator.Bucket (Apache HBase 2.5.0 API)

java.lang.Object
- org.apache.hadoop.hbase.io.hfile.bucket.BucketAllocator.Bucket

Enclosing class:: BucketAllocator

public static final class BucketAllocator.Bucket
extends Object

Field Summary

Fields
Modifier and Type	Field and Description
`private long`	`baseOffset`
`private int`	`freeCount`
`private int[]`	`freeList`
`private int`	`itemAllocationSize`
`private int`	`itemCount`
`private int`	`sizeIndex`
`private int`	`usedCount`

Constructor Summary

Constructors
Constructor and Description

Bucket(long offset)

Constructors
Constructor and Description
`Bucket(long offset)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addAllocation(long offset)`
`long`	`allocate()` Allocate a block in this bucket, return the offset representing the position in physical space
`private void`	`free(long offset)`
`int`	`freeCount()`
`private boolean`	`freeListContains(int blockNo)`
`long`	`getBaseOffset()`
`int`	`getFreeBytes()`
`int`	`getItemAllocationSize()`
`int`	`getUsedBytes()`
`boolean`	`hasFreeSpace()`
`boolean`	`isCompletelyFree()`
`boolean`	`isUninstantiated()`
`(package private) void`	`reconfigure(int sizeIndex, int[] bucketSizes, long bucketCapacity)`
`int`	`sizeIndex()`
`int`	`usedCount()`

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

Field Detail

baseOffset
```
private long baseOffset
```

itemAllocationSize
```
private int itemAllocationSize
```

sizeIndex
```
private int sizeIndex
```

itemCount
```
private int itemCount
```

freeList
```
private int[] freeList
```

freeCount
```
private int freeCount
```

usedCount
```
private int usedCount
```

Constructor Detail
- Bucket
```
public Bucket(long offset)
```

Method Detail

reconfigure

void reconfigure(int sizeIndex,
                 int[] bucketSizes,
                 long bucketCapacity)

isUninstantiated
```
public boolean isUninstantiated()
```

sizeIndex
```
public int sizeIndex()
```

getItemAllocationSize
```
public int getItemAllocationSize()
```

hasFreeSpace
```
public boolean hasFreeSpace()
```

isCompletelyFree
```
public boolean isCompletelyFree()
```

freeCount
```
public int freeCount()
```

usedCount
```
public int usedCount()
```

getFreeBytes
```
public int getFreeBytes()
```

getUsedBytes
```
public int getUsedBytes()
```

getBaseOffset
```
public long getBaseOffset()
```

allocate
```
public long allocate()
```
Allocate a block in this bucket, return the offset representing the position in physical space

Returns:

the offset in the IOEngine

addAllocation

public void addAllocation(long offset)
                   throws BucketAllocatorException

Throws:: BucketAllocatorException

free
```
private void free(long offset)
```

freeListContains

private boolean freeListContains(int blockNo)

Class BucketAllocator.Bucket

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

baseOffset

itemAllocationSize

sizeIndex

itemCount

freeList

freeCount

usedCount

Constructor Detail

Bucket

Method Detail

reconfigure

isUninstantiated

sizeIndex

getItemAllocationSize

hasFreeSpace

isCompletelyFree

freeCount

usedCount

getFreeBytes

getUsedBytes

getBaseOffset

allocate

addAllocation

free

freeListContains