ChangeNode (OJAI Core Library for Java v. 3.0)

```
@API.Public
public interface ChangeNode
```
An encapsulation of a change to a single field in a Document.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`ByteBuffer`	`getBinary()` Returns the value as a `ByteBuffer`.
`boolean`	`getBoolean()` Returns the value as a `boolean`.
`byte`	`getByte()` Returns the `byte` value of the current node.
`ODate`	`getDate()` Returns the value as a `ODate` object.
`int`	`getDateAsInt()` Returns a `int` representing the number of DAYS since Unix epoch.
`BigDecimal`	`getDecimal()` Returns the value as a `BigDecimal`.
`double`	`getDouble()` Returns the value as a `double`.
`float`	`getFloat()` Returns the value as a `float`.
`int`	`getInt()` Returns the value as an `int`.
`OInterval`	`getInterval()` Returns the value as an `OInterval` object.
`long`	`getIntervalAsLong()` Returns a `long` representing interval duration in milliseconds.
`List<Object>`	`getList()` Returns the value as a `List<Object>`.
`long`	`getLong()` Returns the value as a `long`.
`Map<String,Object>`	`getMap()` Returns the value as a `Map<String, Object>`.
`Object`	`getObject()` Returns the value as an `Object` of the underlying type.
`ChangeOp`	`getOp()` Returns the `ChangeOp` of the current change node.
`long`	`getOpTimestamp()` Returns the logical time of the data.
`long`	`getServerTimestamp()` Returns the server timestamp of this change operation as number of milliseconds since Unix epoch.
`short`	`getShort()` Returns the value as a `short`.
`String`	`getString()` Returns the value as a `String`.
`OTime`	`getTime()` Returns the value as a `OTime` object.
`int`	`getTimeAsInt()` Returns an `int` representing the number of milliseconds since midnight.
`OTimestamp`	`getTimestamp()` Returns the value as a `OTimestamp` object.
`long`	`getTimestampAsLong()` Returns a long value representing the number of milliseconds since epoch.
`Value.Type`	`getType()` Returns the type of the `OJAI Value` of the current node. Returns null if `ChangeOp` is not `SET` or `MERGE`.
`Value`	`getValue()` Returns The OJAI `Value` of the current node.

- Method Detail
  - getOp
```
ChangeOp getOp()
```
    Returns the ChangeOp of the current change node.
  - getType
```
Value.Type getType()
```
    Returns the type of the OJAI Value of the current node.
    Returns null if ChangeOp is not SET or MERGE.
  - getOpTimestamp
```
long getOpTimestamp()
```
    Returns the logical time of the data. The version is the same as the timestamp when this operation occurs. For a multi-version DocumentStore, the version is specified by the user.
  - getServerTimestamp
```
long getServerTimestamp()
```
    Returns the server timestamp of this change operation as number of milliseconds since Unix epoch.
  - getByte
```
byte getByte()
```
    Returns the byte value of the current node.
    
    Throws:
    
    TypeException - if this change node is not one of the numeric types
  - getShort
```
short getShort()
```
    Returns the value as a short.
    
    Throws:
    
    TypeException - if this change node is not one of the numeric types
  - getInt
```
int getInt()
```
    Returns the value as an int.
    
    Throws:
    
    TypeException - if this change node is not one of the numeric types
  - getLong
```
long getLong()
```
    Returns the value as a long.
    
    Throws:
    
    TypeException - if this change node is not one of the numeric types
  - getFloat
```
float getFloat()
```
    Returns the value as a float.
    
    Throws:
    
    TypeException - if this change node is not one of the numeric types
  - getDouble
```
double getDouble()
```
    Returns the value as a double.
    
    Throws:
    
    TypeException - if this change node is not one of the numeric types
  - getDecimal
```
BigDecimal getDecimal()
```
    Returns the value as a BigDecimal.
    
    Throws:
    
    TypeException - if this change node is not one of the numeric types
  - getBoolean
```
boolean getBoolean()
```
    Returns the value as a boolean.
    
    Throws:
    
    TypeException - if this change node is not of BOOLEAN type
  - getString
```
String getString()
```
    Returns the value as a String.
    
    Throws:
    
    TypeException - if this change node is not of STRING type
  - getTimestamp
```
OTimestamp getTimestamp()
```
    Returns the value as a OTimestamp object.
    
    Throws:
    
    TypeException - if this change node is not of TIMESTAMP type
  - getTimestampAsLong
```
long getTimestampAsLong()
```
    Returns a long value representing the number of milliseconds since epoch.
    
    Throws:
    
    TypeException - if this change node is not of TIMESTAMP type
  - getDate
```
ODate getDate()
```
    Returns the value as a ODate object.
    
    Throws:
    
    TypeException - if this change node is not of DATE type
  - getDateAsInt
```
int getDateAsInt()
```
    Returns a int representing the number of DAYS since Unix epoch.
    
    Throws:
    
    TypeException - if this change node is not of DATE type
  - getTime
```
OTime getTime()
```
    Returns the value as a OTime object. Modifying the returned object does not alter the content of the Value.
    
    Throws:
    
    TypeException - if this change node is not of TIME type
  - getTimeAsInt
```
int getTimeAsInt()
```
    Returns an int representing the number of milliseconds since midnight.
    
    Throws:
    
    TypeException - if this change node is not of TIME type
  - getInterval
```
OInterval getInterval()
```
    Returns the value as an OInterval object. Modifying the returned object does not alter the content of the Value.
    
    Throws:
    
    TypeException - if this change node is not of INTERVAL type
  - getIntervalAsLong
```
long getIntervalAsLong()
```
    Returns a long representing interval duration in milliseconds.
    
    Throws:
    
    TypeException - if this change node is not of INTERVAL type
  - getBinary
```
ByteBuffer getBinary()
```
    Returns the value as a ByteBuffer. Modifying the returned object does not alter the content of the Value.
    
    Throws:
    
    TypeException - if this change node is not of BINARY type
  - getMap
```
Map<String,Object> getMap()
```
    Returns the value as a Map<String, Object>. The returned Map could be mutable or immutable. Modifying the returned Map does not alter the content of the Value.
    
    Throws:
    
    TypeException - if this change node is not of MAP type
  getList List<Object> getList() Returns the value as a List<Object>. The returned List could be mutable or immutable. Modifying the returned List does not alter the content of the Value. Throws: TypeException - if this change node is not of ARRAY type getObject Object getObject() Returns the value as an Object of the underlying type. Type.NULL => null Type.BOOLEAN => Boolean Type.STRING => String Type.BYTE => Byte Type.SHORT => Short Type.INT => Integer Type.LONG => Long Type.FLOAT => Float Type.DOUBLE => Double Type.DECIMAL => BigDecimal Type.DATE => org.ojai.types.ODate Type.TIME => org.ojai.types.OTime Type.TIMESTAMP => org.ojai.types.OTimestamp Type.INTERVAL => org.ojai.types.OInterval Type.BINARY => java.nio.ByteBuffer Type.MAP => Map<String, Object> Type.ARRAY => List<Object> Modifying the returned object does not alter the content of the Value. getValue Value getValue() Returns The OJAI Value of the current node.

Interface ChangeNode

Method Summary

Method Detail

getOp

getType

getOpTimestamp

getServerTimestamp

getByte

getShort

getInt

getLong

getFloat

getDouble

getDecimal

getBoolean

getString

getTimestamp

getTimestampAsLong

getDate

getDateAsInt

getTime

getTimeAsInt

getInterval

getIntervalAsLong

getBinary

getMap

getList

getObject

getValue