java.lang.Object
- com.github.junrar.unpack.ppm.Pointer
- - com.github.junrar.unpack.ppm.PPMContext

```
public class PPMContext
extends Pointer
```
DOCUMENT ME

Version:

$LastChangedRevision$

Field Summary

Fields
Modifier and Type	Field	Description
`static int[]`	`ExpEscape`
`private FreqData`	`freqData`
`private int`	`numStats`
`private State`	`oneState`
`private int[]`	`ps`
`static int`	`size`
`private int`	`suffix`
`private PPMContext`	`tempPPMContext`
`private State`	`tempState1`
`private State`	`tempState2`
`private State`	`tempState3`
`private State`	`tempState4`
`private State`	`tempState5`
`private static int`	`unionSize`

Fields inherited from class com.github.junrar.unpack.ppm.Pointer
mem, pos

Constructor Summary

Constructors
Constructor Description

PPMContext(byte[] mem)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`createChild(ModelPPM model, State pStats, StateRef firstState)`
`void`	`decodeBinSymbol(ModelPPM model)`
`boolean`	`decodeSymbol1(ModelPPM model)`
`boolean`	`decodeSymbol2(ModelPPM model)`
`private int`	`getArrayIndex(ModelPPM Model, State rs)`
`FreqData`	`getFreqData()`
`int`	`getMean(int summ, int shift, int round)`
`int`	`getNumStats()`
`State`	`getOneState()`
`int`	`getSuffix()`
`private PPMContext`	`getTempPPMContext(byte[] mem)`
`PPMContext`	`init(byte[] mem)`
`private SEE2Context`	`makeEscFreq2(ModelPPM model, int Diff)`
`void`	`rescale(ModelPPM model)`
`void`	`setAddress(int pos)`	needs to set the fields of this object to the values in the byte[] at the given position.
`void`	`setFreqData(FreqData freqData)`
`void`	`setNumStats(int numStats)`
`void`	`setOneState(StateRef oneState)`
`void`	`setSuffix(int suffix)`
`void`	`setSuffix(PPMContext suffix)`
`java.lang.String`	`toString()`
`void`	`update1(ModelPPM model, int p)`
`void`	`update2(ModelPPM model, int p)`

Methods inherited from class com.github.junrar.unpack.ppm.Pointer
getAddress

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

Field Detail

unionSize
```
private static final int unionSize
```

size
```
public static final int size
```

numStats
```
private int numStats
```

freqData
```
private final FreqData freqData
```

oneState
```
private final State oneState
```

suffix
```
private int suffix
```

ExpEscape
```
public static final int[] ExpEscape
```

tempState1
```
private final State tempState1
```

tempState2
```
private final State tempState2
```

tempState3
```
private final State tempState3
```

tempState4
```
private final State tempState4
```

tempState5
```
private final State tempState5
```

tempPPMContext
```
private PPMContext tempPPMContext
```

ps
```
private final int[] ps
```

Constructor Detail
- PPMContext
```
public PPMContext(byte[] mem)
```

Method Detail

init

public PPMContext init(byte[] mem)

getFreqData
```
public FreqData getFreqData()
```

setFreqData

public void setFreqData(FreqData freqData)

getNumStats
```
public final int getNumStats()
```

setNumStats

public final void setNumStats(int numStats)

getOneState
```
public State getOneState()
```

setOneState

public void setOneState(StateRef oneState)

getSuffix
```
public int getSuffix()
```

setSuffix

public void setSuffix(PPMContext suffix)

setSuffix
```
public void setSuffix(int suffix)
```

setAddress
```
public void setAddress(int pos)
```
Description copied from class: Pointer

needs to set the fields of this object to the values in the byte[] at the given position. be aware of the byte order

Overrides:

setAddress in class Pointer

Parameters:

pos - the position this object should point to

getTempPPMContext

private PPMContext getTempPPMContext(byte[] mem)

createChild

public int createChild(ModelPPM model,
                       State pStats,
                       StateRef firstState)

rescale

public void rescale(ModelPPM model)

getArrayIndex

private int getArrayIndex(ModelPPM Model,
                          State rs)

getMean

public int getMean(int summ,
                   int shift,
                   int round)

decodeBinSymbol

public void decodeBinSymbol(ModelPPM model)

update1

public void update1(ModelPPM model,
                    int p)

decodeSymbol2

public boolean decodeSymbol2(ModelPPM model)

update2

public void update2(ModelPPM model,
                    int p)

makeEscFreq2

private SEE2Context makeEscFreq2(ModelPPM model,
                                 int Diff)

decodeSymbol1

public boolean decodeSymbol1(ModelPPM model)

toString
```
public java.lang.String toString()
```
Overrides:

toString in class java.lang.Object

Class PPMContext

Field Summary

Fields inherited from class com.github.junrar.unpack.ppm.Pointer

Constructor Summary

Method Summary

Methods inherited from class com.github.junrar.unpack.ppm.Pointer

Methods inherited from class java.lang.Object

Field Detail

unionSize

size

numStats

freqData

oneState

suffix

ExpEscape

tempState1

tempState2

tempState3

tempState4

tempState5

tempPPMContext

ps

Constructor Detail

PPMContext

Method Detail

init

getFreqData

setFreqData

getNumStats

setNumStats

getOneState

setOneState

getSuffix

setSuffix

setSuffix

setAddress

getTempPPMContext

createChild

rescale

getArrayIndex

getMean

decodeBinSymbol

update1

decodeSymbol2

update2

makeEscFreq2

decodeSymbol1

toString