com.mapr.db.cdc.impl

Class ChangeDataReaderImpl

java.lang.Object

com.mapr.db.cdc.impl.ChangeDataReaderImpl

All Implemented Interfaces:

java.util.Iterator<org.ojai.store.cdc.ChangeEvent>, org.ojai.store.cdc.ChangeDataReader

public class ChangeDataReaderImpl
extends java.lang.Object
implements org.ojai.store.cdc.ChangeDataReader

A parser that traverses over the individual change nodes in a ChangeDataRecord

Constructor Summary

Constructors

Constructor and Description
ChangeDataReaderImpl(ChangeDataRecordImpl cdrImpl, ChangeDataDBDocumentReader docReader, ChangeNodeImpl cachedNode)

Method Summary

Modifier and Type	Method and Description
int	getArrayIndex()
java.nio.ByteBuffer	getBinary()
boolean	getBoolean()
byte	getByte()
ChangeNodeImpl	getChangeNode()
org.ojai.types.ODate	getDate()
int	getDateInt()
java.math.BigDecimal	getDecimal()
int	getDecimalPrecision()
int	getDecimalScale()
java.nio.ByteBuffer	getDecimalValueAsBytes()
int	getDecimalValueAsInt()
long	getDecimalValueAsLong()
double	getDouble()
java.lang.String	getFieldName()
java.nio.ByteBuffer	getFieldNameBytes()
float	getFloat()
int	getInt()
org.ojai.types.OInterval	getInterval()
long	getIntervalMillis()
long	getLong()
org.ojai.store.cdc.ChangeOp	getOp()
long	getOpTimestamp()
com.mapr.db.rowcol.TimeAndUniq[]	getRootTS() return the create/update/delete time on document default column family.
long	getServerTimestamp()
short	getShort()
java.lang.String	getString()
org.ojai.types.OTime	getTime()
int	getTimeInt()
org.ojai.types.OTimestamp	getTimestamp()
long	getTimestampLong()
org.ojai.Value.Type	getType()
org.ojai.Value	getValue()
boolean	hasNext()
boolean	hasRootTS() return whether this mutation has create/update/delete time on document default column family.
boolean	inArray()
boolean	inMap()
org.ojai.store.cdc.ChangeEvent	next() Moves the cursor to the next change node and returns the ChangeEvent associated with the node.
void	remove()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

ChangeDataReaderImpl

public ChangeDataReaderImpl(ChangeDataRecordImpl cdrImpl,
                            ChangeDataDBDocumentReader docReader,
                            ChangeNodeImpl cachedNode)
                     throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

Method Detail

next

public org.ojai.store.cdc.ChangeEvent next()

Moves the cursor to the next change node and returns the ChangeEvent associated with the node. The other properties of the node can be retrieved using various methods of this interface.

Specified by:

next in interface java.util.Iterator<org.ojai.store.cdc.ChangeEvent>

Specified by:

next in interface org.ojai.store.cdc.ChangeDataReader

getChangeNode

public ChangeNodeImpl getChangeNode()

Returns:

the current changenode

getOp

public org.ojai.store.cdc.ChangeOp getOp()

Specified by:

getOp in interface org.ojai.store.cdc.ChangeDataReader

Returns:

the ChangeOp of the current change node.

getFieldName

public java.lang.String getFieldName()

Specified by:

getFieldName in interface org.ojai.store.cdc.ChangeDataReader

Returns:

the field name of the current change node.

getFieldNameBytes

public java.nio.ByteBuffer getFieldNameBytes()

Specified by:

getFieldNameBytes in interface org.ojai.store.cdc.ChangeDataReader

Returns:

the byte array equivalent of field name of the current change node.

inMap

public boolean inMap()

Specified by:

inMap in interface org.ojai.store.cdc.ChangeDataReader

getArrayIndex

public int getArrayIndex()

Specified by:

getArrayIndex in interface org.ojai.store.cdc.ChangeDataReader

Returns:

The index of the current node in an Array.

getType

public org.ojai.Value.Type getType()

Specified by:

getType in interface org.ojai.store.cdc.ChangeDataReader

Returns:

the type of the OJAI Value of the current node.

getValue

public org.ojai.Value getValue()

Returns:

the OJAI Value of the current node.

getOpTimestamp

public long getOpTimestamp()

Specified by:

getOpTimestamp in interface org.ojai.store.cdc.ChangeDataReader

Returns:

the timestamp of the current change operation as Unix epoch.

hasRootTS

public boolean hasRootTS()

return whether this mutation has create/update/delete time on document default column family.

getRootTS

public com.mapr.db.rowcol.TimeAndUniq[] getRootTS()

return the create/update/delete time on document default column family.

inArray

public boolean inArray()

Specified by:

inArray in interface org.ojai.store.cdc.ChangeDataReader

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<org.ojai.store.cdc.ChangeEvent>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<org.ojai.store.cdc.ChangeEvent>

getByte

public byte getByte()

Specified by:

getByte in interface org.ojai.store.cdc.ChangeDataReader

getShort

public short getShort()

Specified by:

getShort in interface org.ojai.store.cdc.ChangeDataReader

getInt

public int getInt()

Specified by:

getInt in interface org.ojai.store.cdc.ChangeDataReader

getLong

public long getLong()

Specified by:

getLong in interface org.ojai.store.cdc.ChangeDataReader

getFloat

public float getFloat()

Specified by:

getFloat in interface org.ojai.store.cdc.ChangeDataReader

getDouble

public double getDouble()

Specified by:

getDouble in interface org.ojai.store.cdc.ChangeDataReader

getDecimal

public java.math.BigDecimal getDecimal()

Specified by:

getDecimal in interface org.ojai.store.cdc.ChangeDataReader

getDecimalPrecision

public int getDecimalPrecision()

Specified by:

getDecimalPrecision in interface org.ojai.store.cdc.ChangeDataReader

getDecimalScale

public int getDecimalScale()

Specified by:

getDecimalScale in interface org.ojai.store.cdc.ChangeDataReader

getDecimalValueAsInt

public int getDecimalValueAsInt()

Specified by:

getDecimalValueAsInt in interface org.ojai.store.cdc.ChangeDataReader

getDecimalValueAsLong

public long getDecimalValueAsLong()

Specified by:

getDecimalValueAsLong in interface org.ojai.store.cdc.ChangeDataReader

getDecimalValueAsBytes

public java.nio.ByteBuffer getDecimalValueAsBytes()

Specified by:

getDecimalValueAsBytes in interface org.ojai.store.cdc.ChangeDataReader

getBoolean

public boolean getBoolean()

Specified by:

getBoolean in interface org.ojai.store.cdc.ChangeDataReader

getString

public java.lang.String getString()

Specified by:

getString in interface org.ojai.store.cdc.ChangeDataReader

getTimestampLong

public long getTimestampLong()

Specified by:

getTimestampLong in interface org.ojai.store.cdc.ChangeDataReader

getTimestamp

public org.ojai.types.OTimestamp getTimestamp()

Specified by:

getTimestamp in interface org.ojai.store.cdc.ChangeDataReader

getDateInt

public int getDateInt()

Specified by:

getDateInt in interface org.ojai.store.cdc.ChangeDataReader

getDate

public org.ojai.types.ODate getDate()

Specified by:

getDate in interface org.ojai.store.cdc.ChangeDataReader

getTimeInt

public int getTimeInt()

Specified by:

getTimeInt in interface org.ojai.store.cdc.ChangeDataReader

getTime

public org.ojai.types.OTime getTime()

Specified by:

getTime in interface org.ojai.store.cdc.ChangeDataReader

getInterval

public org.ojai.types.OInterval getInterval()

Specified by:

getInterval in interface org.ojai.store.cdc.ChangeDataReader

getIntervalMillis

public long getIntervalMillis()

Specified by:

getIntervalMillis in interface org.ojai.store.cdc.ChangeDataReader

getBinary

public java.nio.ByteBuffer getBinary()

Specified by:

getBinary in interface org.ojai.store.cdc.ChangeDataReader

getServerTimestamp

public long getServerTimestamp()

Specified by:

getServerTimestamp in interface org.ojai.store.cdc.ChangeDataReader