java.lang.Object

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

All Implemented Interfaces:: ElementSource

Direct Known Subclasses:: FormulaKernelAdapter

public abstract class Formula
extends Object
implements ElementSource

The Formula class is used within a FormulaColumn to compute individual table cell values.

Nested Class Summary

Nested Classes

Modifier and Type Class Description

static interface Formula.FillContext

static interface Formula.GetContext
Field Summary

Fields

Modifier and Type Field Description

protected Index __index
Constructor Summary

Constructors

Modifier Constructor Description

protected Formula(Index __index)

Method Summary

Modifier and Type	Method	Description
`abstract void`	`fillChunk(Formula.FillContext context, WritableChunk<? super Attributes.Values> destination, OrderedKeys orderedKeys)`
`abstract void`	`fillPrevChunk(Formula.FillContext context, WritableChunk<? super Attributes.Values> destination, OrderedKeys orderedKeys)`
`abstract Object`	`get(long key)`	Get the value from the source.
`Boolean`	`getBoolean(long key)`	Get the value at the index as a Boolean.
`byte`	`getByte(long key)`	Get the value at the index as a byte.
`char`	`getChar(long key)`	Get the value at the index as a char.
`Chunk<Attributes.Values>`	`getChunk(Formula.GetContext context, OrderedKeys orderedKeys)`
`protected abstract ChunkType`	`getChunkType()`
`double`	`getDouble(long key)`	Get the value at the index as a double.
`float`	`getFloat(long key)`	Get the value at the index as a float.
`Index`	`getIndex()`
`int`	`getInt(long key)`	Get the value at the index as an int.
`long`	`getLong(long key)`	Get the value at the index as a long.
`abstract Object`	`getPrev(long key)`	Get the previous value at the index.
`Boolean`	`getPrevBoolean(long key)`	Get the previous value at the index as a Boolean.
`byte`	`getPrevByte(long key)`	Get the previous value at the index as a byte.
`char`	`getPrevChar(long key)`	Get the previous value at the index as a char.
`Chunk<Attributes.Values>`	`getPrevChunk(Formula.GetContext context, OrderedKeys orderedKeys)`
`double`	`getPrevDouble(long key)`	Get the previous value at the index as a double.
`float`	`getPrevFloat(long key)`	Get the previous value at the index as a float.
`int`	`getPrevInt(long key)`	Get the previous value at the index as an int.
`long`	`getPrevLong(long key)`	Get the previous value at the index as a long.
`short`	`getPrevShort(long key)`	Get the previous value at the index as a short.
`short`	`getShort(long key)`	Get the value at the index as a short.
`abstract Formula.FillContext`	`makeFillContext(int chunkCapacity)`
`Formula.GetContext`	`makeGetContext(int chunkCapacity)`

Methods inherited from class java.lang.Object

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

Field Details
- __index
  
  protected final Index __index
Constructor Details
- Formula
  
  protected Formula(Index __index)
Method Details
- getIndex
  
  public Index getIndex()
- getPrev
  
  public abstract Object getPrev(long key)
  
  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
  
  Parameters:
  
  key - the location in index space to get the value from.
  
  Returns:
  
  the previous value at the index, or null.
- get
  
  public abstract Object get(long key)
  
  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
  
  Parameters:
  
  key - the location in index space to get the value from.
  
  Returns:
  
  the value at the index, potentially null.
- getBoolean
  
  public Boolean getBoolean(long key)
  
  Description copied from interface: ElementSource
  
  Get the value at the index as a Boolean.
  
  Specified by:
  
  getBoolean in interface ElementSource
  
  Parameters:
  
  key - the location in index space to get the value from.
  
  Returns:
  
  the boolean at the index, potentially null.
- getByte
  
  public byte getByte(long key)
  
  Description copied from interface: ElementSource
  
  Get the value at the index as a byte.
  
  Specified by:
  
  getByte in interface ElementSource
  
  Parameters:
  
  key - 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 key)
  
  Description copied from interface: ElementSource
  
  Get the value at the index as a char.
  
  Specified by:
  
  getChar in interface ElementSource
  
  Parameters:
  
  key - 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 key)
  
  Description copied from interface: ElementSource
  
  Get the value at the index as a double.
  
  Specified by:
  
  getDouble in interface ElementSource
  
  Parameters:
  
  key - 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 key)
  
  Description copied from interface: ElementSource
  
  Get the value at the index as a float.
  
  Specified by:
  
  getFloat in interface ElementSource
  
  Parameters:
  
  key - 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 key)
  
  Description copied from interface: ElementSource
  
  Get the value at the index as an int.
  
  Specified by:
  
  getInt in interface ElementSource
  
  Parameters:
  
  key - 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 key)
  
  Description copied from interface: ElementSource
  
  Get the value at the index as a long.
  
  Specified by:
  
  getLong in interface ElementSource
  
  Parameters:
  
  key - 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 key)
  
  Description copied from interface: ElementSource
  
  Get the value at the index as a short.
  
  Specified by:
  
  getShort in interface ElementSource
  
  Parameters:
  
  key - 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 key)
  
  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
  
  Parameters:
  
  key - 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 key)
  
  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
  
  Parameters:
  
  key - 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 key)
  
  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
  
  Parameters:
  
  key - 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 key)
  
  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
  
  Parameters:
  
  key - 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 key)
  
  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
  
  Parameters:
  
  key - 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 key)
  
  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
  
  Parameters:
  
  key - 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 key)
  
  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
  
  Parameters:
  
  key - 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 key)
  
  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
  
  Parameters:
  
  key - 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
- makeGetContext
  
  public Formula.GetContext makeGetContext(int chunkCapacity)
- makeFillContext
  
  public abstract Formula.FillContext makeFillContext(int chunkCapacity)
- getChunk
  
  public Chunk<Attributes.Values> getChunk(@NotNull Formula.GetContext context, @NotNull OrderedKeys orderedKeys)
- getPrevChunk
  
  public Chunk<Attributes.Values> getPrevChunk(@NotNull Formula.GetContext context, @NotNull OrderedKeys orderedKeys)
- fillChunk
  
  public abstract void fillChunk(@NotNull Formula.FillContext context, @NotNull WritableChunk<? super Attributes.Values> destination, @NotNull OrderedKeys orderedKeys)
- fillPrevChunk
  
  public abstract void fillPrevChunk(@NotNull Formula.FillContext context, @NotNull WritableChunk<? super Attributes.Values> destination, @NotNull OrderedKeys orderedKeys)
- getChunkType
  
  protected abstract ChunkType getChunkType()

Modifier and Type	Class	Description
`static interface`	`Formula.FillContext`
`static interface`	`Formula.GetContext`

Class Formula

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Details

Constructor Details

Method Details