State (HanLP portable-1.8.1 API)

java.lang.Object
- com.hankcs.hanlp.dependency.perceptron.transition.configuration.State

All Implemented Interfaces:

Cloneable
```
public class State
extends Object
implements Cloneable
```
由buffer、stack和arc组成的状态

Field Summary

Fields
Modifier and Type	Field and Description
`protected Edge[]`	`arcs` Keeps dependent->head information
`protected boolean`	`emptyFlag` This is the additional information for the case of parsing with tree constraint For more information see: Joakim Nivre and Daniel FernÃ¡ndez-GonzÃ¡lez.
`protected long[]`	`leftDepLabels`
`protected int[]`	`leftMostArcs`
`protected int[]`	`leftValency` left modifiers
`int`	`maxSentenceSize`
`protected long[]`	`rightDepLabels`
`protected int[]`	`rightMostArcs`
`protected int[]`	`rightValency`
`int`	`rootIndex`
`protected ArrayDeque<Integer>`	`stack`

Constructor Summary

Constructors
Constructor and Description

State(int size)

State(int sentenceSize, boolean rootFirst)

Constructors
Constructor and Description
`State(int size)`
`State(int sentenceSize, boolean rootFirst)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addArc(int dependent, int head, int dependency)`
`boolean`	`bufferEmpty()`
`int`	`bufferHead()`
`int`	`bufferSize()`
`State`	`clone()`
`int`	`getBufferItem(int position)`
`int`	`getDependent(int index)`
`int`	`getHead(int index)`
`ArrayDeque<Integer>`	`getStack()`
`boolean`	`hasHead(int dependent)`
`void`	`incrementBufferHead()`
`boolean`	`isEmptyFlag()`
`boolean`	`isTerminalState()`
`long`	`leftDependentLabels(int position)`
`int`	`leftMostModifier(int index)`
`int`	`leftValency(int head)`
`int`	`pop()`
`void`	`push(int index)`
`long`	`rightDependentLabels(int position)`
`int`	`rightMostModifier(int index)`
`int`	`rightValency(int head)`
`void`	`setBufferHead(int bufferHead)`
`void`	`setEmptyFlag(boolean emptyFlag)`
`void`	`setMaxSentenceSize(int maxSentenceSize)`
`boolean`	`stackEmpty()`
`int`	`stackSize()`
`int`	`stackTop()` View top element of stack
`int`	`valence(int head)`

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

Field Detail
- rootIndex
```
public int rootIndex
```
- maxSentenceSize
```
public int maxSentenceSize
```
- emptyFlag
```
protected boolean emptyFlag
```
  This is the additional information for the case of parsing with tree constraint For more information see: Joakim Nivre and Daniel FernÃ¡ndez-GonzÃ¡lez. "Arc-Eager Parsing with the Tree Constraint." Computational Linguistics(2014).
- arcs
```
protected Edge[] arcs
```
  Keeps dependent->head information
- leftMostArcs
```
protected int[] leftMostArcs
```
- rightMostArcs
```
protected int[] rightMostArcs
```
- leftValency
```
protected int[] leftValency
```
  left modifiers
- rightValency
```
protected int[] rightValency
```
- rightDepLabels
```
protected long[] rightDepLabels
```
- leftDepLabels
```
protected long[] leftDepLabels
```
- stack
```
protected ArrayDeque<Integer> stack
```

Constructor Detail
- State
```
public State(int size)
```
- State
```
public State(int sentenceSize,
             boolean rootFirst)
```
  Parameters:
  
  sentenceSize - 句子长度（不包含ROOT）
  
  rootFirst - 是否将ROOT作为index=0的词语，否则作为最后一个词语

Method Detail

getStack
```
public ArrayDeque<Integer> getStack()
```

pop
```
public int pop()
```

push
```
public void push(int index)
```

addArc

public void addArc(int dependent,
                   int head,
                   int dependency)

rightDependentLabels

public long rightDependentLabels(int position)

leftDependentLabels

public long leftDependentLabels(int position)

isEmptyFlag
```
public boolean isEmptyFlag()
```

setEmptyFlag

public void setEmptyFlag(boolean emptyFlag)

bufferHead
```
public int bufferHead()
```

stackTop
```
public int stackTop()
```
View top element of stack

Returns:

getBufferItem

public int getBufferItem(int position)

isTerminalState
```
public boolean isTerminalState()
```

hasHead

public boolean hasHead(int dependent)

bufferEmpty
```
public boolean bufferEmpty()
```

stackEmpty
```
public boolean stackEmpty()
```

bufferSize
```
public int bufferSize()
```

stackSize
```
public int stackSize()
```

rightMostModifier

public int rightMostModifier(int index)

leftMostModifier

public int leftMostModifier(int index)

valence
```
public int valence(int head)
```
Parameters:

head -

Returns:

the current index of dependents

rightValency
```
public int rightValency(int head)
```
Parameters:

head -

Returns:

the current index of right modifiers

leftValency
```
public int leftValency(int head)
```
Parameters:

head -

Returns:

the current index of left modifiers

getHead
```
public int getHead(int index)
```

getDependent
```
public int getDependent(int index)
```

setMaxSentenceSize

public void setMaxSentenceSize(int maxSentenceSize)

incrementBufferHead
```
public void incrementBufferHead()
```

setBufferHead

public void setBufferHead(int bufferHead)

clone
```
public State clone()
```
Overrides:

clone in class Object

Class State

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

rootIndex

maxSentenceSize

emptyFlag

arcs

leftMostArcs

rightMostArcs

leftValency

rightValency

rightDepLabels

leftDepLabels

stack

Constructor Detail

State

State

Method Detail

getStack

pop

push

addArc

rightDependentLabels

leftDependentLabels

isEmptyFlag

setEmptyFlag

bufferHead

stackTop

getBufferItem

isTerminalState

hasHead

bufferEmpty

stackEmpty

bufferSize

stackSize

rightMostModifier

leftMostModifier

valence

rightValency

leftValency

getHead

getDependent

setMaxSentenceSize

incrementBufferHead

setBufferHead

clone