Package com.illumon.iris.db.v2.select.formula

Class FormulaKernelAdapter

java.lang.Object

com.illumon.iris.db.v2.select.Formula

com.illumon.iris.db.v2.select.formula.FormulaKernelAdapter

All Implemented Interfaces:

ElementSource

public class FormulaKernelAdapter
extends Formula

Nested Class Summary

Nested classes/interfaces inherited from class com.illumon.iris.db.v2.select.Formula

Formula.FillContext, Formula.GetContext

Field Summary

Fields inherited from class com.illumon.iris.db.v2.select.Formula

__index

Constructor Summary

Constructors

Constructor	Description
FormulaKernelAdapter(Index index, FormulaSourceDescriptor sourceDescriptor, Map<String,? extends ColumnSource> columnSources, FormulaKernel kernel)

Method Summary

Modifier and Type	Method	Description
void	fillChunk(Formula.FillContext __context, WritableChunk<? super Attributes.Values> __destination, OrderedKeys __orderedKeys)
void	fillPrevChunk(Formula.FillContext __context, WritableChunk<? super Attributes.Values> __destination, OrderedKeys __orderedKeys)
Object	get(long k)	Get the value from the source.
Boolean	getBoolean(long k)	Get the value at the index as a Boolean.
byte	getByte(long k)	Get the value at the index as a byte.
char	getChar(long k)	Get the value at the index as a char.
protected ChunkType	getChunkType()
double	getDouble(long k)	Get the value at the index as a double.
float	getFloat(long k)	Get the value at the index as a float.
int	getInt(long k)	Get the value at the index as an int.
long	getLong(long k)	Get the value at the index as a long.
Object	getPrev(long k)	Get the previous value at the index.
Boolean	getPrevBoolean(long k)	Get the previous value at the index as a Boolean.
byte	getPrevByte(long k)	Get the previous value at the index as a byte.
char	getPrevChar(long k)	Get the previous value at the index as a char.
double	getPrevDouble(long k)	Get the previous value at the index as a double.
float	getPrevFloat(long k)	Get the previous value at the index as a float.
int	getPrevInt(long k)	Get the previous value at the index as an int.
long	getPrevLong(long k)	Get the previous value at the index as a long.
short	getPrevShort(long k)	Get the previous value at the index as a short.
short	getShort(long k)	Get the value at the index as a short.
com.illumon.iris.db.v2.select.formula.FormulaKernelAdapter.AdapterContext	makeFillContext(int chunkCapacity)

Methods inherited from class com.illumon.iris.db.v2.select.Formula

getChunk, getIndex, getPrevChunk, makeGetContext

Methods inherited from class java.lang.Object

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

Constructor Details

FormulaKernelAdapter

public FormulaKernelAdapter(Index index,
 FormulaSourceDescriptor sourceDescriptor,
 Map<String,? extends ColumnSource> columnSources,
 FormulaKernel kernel)

Method Details

get

public Object get(long k)

Description copied from interface: ElementSource

Get the value from the source. This may return boxed values for basic types.

Specified by:

get in interface ElementSource

Specified by:

get in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the value at the index, potentially null.

getPrev

public Object getPrev(long k)

Description copied from interface: ElementSource

Get the previous value at the index. Previous values are used during an LTM update cycle to process changes in data. During normal operation previous values will be identical to current values.

Specified by:

getPrev in interface ElementSource

Specified by:

getPrev in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the previous value at the index, or null.

getBoolean

public Boolean getBoolean(long k)

Description copied from interface: ElementSource

Get the value at the index as a Boolean.

Specified by:

getBoolean in interface ElementSource

Overrides:

getBoolean in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the boolean at the index, potentially null.

getByte

public byte getByte(long k)

Description copied from interface: ElementSource

Get the value at the index as a byte.

Specified by:

getByte in interface ElementSource

Overrides:

getByte in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the boolean at the index, null values are represented by QueryConstants.NULL_BYTE

getChar

public char getChar(long k)

Description copied from interface: ElementSource

Get the value at the index as a char.

Specified by:

getChar in interface ElementSource

Overrides:

getChar in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the char at the index, null values are represented by QueryConstants.NULL_CHAR

getDouble

public double getDouble(long k)

Description copied from interface: ElementSource

Get the value at the index as a double.

Specified by:

getDouble in interface ElementSource

Overrides:

getDouble in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the double at the index, null values are represented by QueryConstants.NULL_DOUBLE

getFloat

public float getFloat(long k)

Description copied from interface: ElementSource

Get the value at the index as a float.

Specified by:

getFloat in interface ElementSource

Overrides:

getFloat in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the float at the index, null values are represented by QueryConstants.NULL_FLOAT

getInt

public int getInt(long k)

Description copied from interface: ElementSource

Get the value at the index as an int.

Specified by:

getInt in interface ElementSource

Overrides:

getInt in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the int at the index, null values are represented by QueryConstants.NULL_INT

getLong

public long getLong(long k)

Description copied from interface: ElementSource

Get the value at the index as a long.

Specified by:

getLong in interface ElementSource

Overrides:

getLong in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the long at the index, null values are represented by QueryConstants.NULL_LONG

getShort

public short getShort(long k)

Description copied from interface: ElementSource

Get the value at the index as a short.

Specified by:

getShort in interface ElementSource

Overrides:

getShort in class Formula

Parameters:

k - the location in index space to get the value from.

Returns:

the short at the index, null values are represented by QueryConstants.NULL_SHORT

getPrevBoolean

public Boolean getPrevBoolean(long k)

Description copied from interface: ElementSource

Get the previous value at the index as a Boolean. See ElementSource.getPrev(long) for more details.

Specified by:

getPrevBoolean in interface ElementSource

Overrides:

getPrevBoolean in class Formula

Parameters:

k - the location in index space to get the previous value from.

Returns:

the previous boolean at the index, or null.

getPrevByte

public byte getPrevByte(long k)

Description copied from interface: ElementSource

Get the previous value at the index as a byte. See ElementSource.getPrev(long) for more details.

Specified by:

getPrevByte in interface ElementSource

Overrides:

getPrevByte in class Formula

Parameters:

k - the location in index space to get the previous value from.

Returns:

the previous boolean at the index, null values are represented by QueryConstants.NULL_BYTE

getPrevChar

public char getPrevChar(long k)

Description copied from interface: ElementSource

Get the previous value at the index as a char. See ElementSource.getPrev(long) for more details.

Specified by:

getPrevChar in interface ElementSource

Overrides:

getPrevChar in class Formula

Parameters:

k - the location in index space to get the previous value from.

Returns:

the previous char at the index, null values are represented by QueryConstants.NULL_CHAR

getPrevDouble

public double getPrevDouble(long k)

Description copied from interface: ElementSource

Get the previous value at the index as a double. See ElementSource.getPrev(long) for more details.

Specified by:

getPrevDouble in interface ElementSource

Overrides:

getPrevDouble in class Formula

Parameters:

k - the location in index space to get the previous value from.

Returns:

the previous double at the index, null values are represented by QueryConstants.NULL_DOUBLE

getPrevFloat

public float getPrevFloat(long k)

Description copied from interface: ElementSource

Get the previous value at the index as a float. See ElementSource.getPrev(long) for more details.

Specified by:

getPrevFloat in interface ElementSource

Overrides:

getPrevFloat in class Formula

Parameters:

k - the location in index space to get the previous value from.

Returns:

the previous float at the index, null values are represented by QueryConstants.NULL_FLOAT

getPrevInt

public int getPrevInt(long k)

Description copied from interface: ElementSource

Get the previous value at the index as an int. See ElementSource.getPrev(long) for more details.

Specified by:

getPrevInt in interface ElementSource

Overrides:

getPrevInt in class Formula

Parameters:

k - the location in index space to get the previous value from.

Returns:

the previous int at the index, null values are represented by QueryConstants.NULL_INT

getPrevLong

public long getPrevLong(long k)

Description copied from interface: ElementSource

Get the previous value at the index as a long. See ElementSource.getPrev(long) for more details.

Specified by:

getPrevLong in interface ElementSource

Overrides:

getPrevLong in class Formula

Parameters:

k - the location in index space to get the previous value from.

Returns:

the previous long at the index, null values are represented by QueryConstants.NULL_LONG

getPrevShort

public short getPrevShort(long k)

Description copied from interface: ElementSource

Get the previous value at the index as a short. See ElementSource.getPrev(long) for more details.

Specified by:

getPrevShort in interface ElementSource

Overrides:

getPrevShort in class Formula

Parameters:

k - the location in index space to get the previous value from.

Returns:

the previous short at the index, null values are represented by QueryConstants.NULL_SHORT

getChunkType

protected ChunkType getChunkType()

Specified by:

getChunkType in class Formula

fillChunk

public void fillChunk(@NotNull
 Formula.FillContext __context,
 @NotNull
 WritableChunk<? super Attributes.Values> __destination,
 @NotNull
 OrderedKeys __orderedKeys)

Specified by:

fillChunk in class Formula

fillPrevChunk

public void fillPrevChunk(@NotNull
 Formula.FillContext __context,
 @NotNull
 WritableChunk<? super Attributes.Values> __destination,
 @NotNull
 OrderedKeys __orderedKeys)

Specified by:

fillPrevChunk in class Formula

makeFillContext

public com.illumon.iris.db.v2.select.formula.FormulaKernelAdapter.AdapterContext makeFillContext(int chunkCapacity)

Specified by:

makeFillContext in class Formula