com.illumon.iris.db.v2.by.StaticFirstOrLastChunkedOperator

All Implemented Interfaces:: IterativeChunkedAggregationOperator

public class StaticFirstOrLastChunkedOperator
extends Object

Nested Class Summary

Nested classes/interfaces inherited from interface com.illumon.iris.db.v2.by.IterativeChunkedAggregationOperator
IterativeChunkedAggregationOperator.BucketedContext, IterativeChunkedAggregationOperator.SingletonContext
Field Summary

Fields inherited from interface com.illumon.iris.db.v2.by.IterativeChunkedAggregationOperator
ZERO_LENGTH_ITERATIVE_CHUNKED_AGGREGATION_OPERATOR_ARRAY

Method Summary

Modifier and Type	Method	Description
`void`	`addChunk(IterativeChunkedAggregationOperator.BucketedContext bucketedContext, Chunk<? extends Attributes.Values> values, LongChunk<? extends Attributes.KeyIndices> inputIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)`	Aggregate a chunk of data into the result columns.
`boolean`	`addChunk(IterativeChunkedAggregationOperator.SingletonContext singletonContext, int chunkSize, Chunk<? extends Attributes.Values> values, LongChunk<? extends Attributes.KeyIndices> inputIndices, long destination)`	Aggregate a chunk of data into the result columns.
`boolean`	`addIndex(IterativeChunkedAggregationOperator.SingletonContext context, ReadOnlyIndex index, long destination)`
`void`	`ensureCapacity(long tableSize)`	Ensure that this operator can handle destinations up to tableSize - 1.
`Map<String,? extends ColumnSource<?>>`	`getResultColumns()`	Return a map of result columns produced by this operator.
`void`	`modifyChunk(IterativeChunkedAggregationOperator.BucketedContext bucketedContext, Chunk<? extends Attributes.Values> previousValues, Chunk<? extends Attributes.Values> newValues, LongChunk<? extends Attributes.KeyIndices> postShiftIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)`	Modify a chunk of data previously aggregated into the result columns using a parallel chunk of new values.
`boolean`	`modifyChunk(IterativeChunkedAggregationOperator.SingletonContext singletonContext, int chunkSize, Chunk<? extends Attributes.Values> previousValues, Chunk<? extends Attributes.Values> newValues, LongChunk<? extends Attributes.KeyIndices> postShiftIndices, long destination)`	Modify a chunk of data previously aggregated into the result columns using a parallel chunk of new values.
`void`	`modifyIndices(IterativeChunkedAggregationOperator.BucketedContext context, LongChunk<? extends Attributes.KeyIndices> inputIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)`	Called with the modified indices when `IterativeChunkedAggregationOperator.requiresIndices()` returns true if our input columns have not changed (or we have none).
`boolean`	`modifyIndices(IterativeChunkedAggregationOperator.SingletonContext context, LongChunk<? extends Attributes.KeyIndices> indices, long destination)`	Called with the modified indices when `IterativeChunkedAggregationOperator.requiresIndices()` returns true if our input columns have not changed (or we have none).
`void`	`removeChunk(IterativeChunkedAggregationOperator.BucketedContext bucketedContext, Chunk<? extends Attributes.Values> values, LongChunk<? extends Attributes.KeyIndices> inputIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)`	Remove a chunk of data previously aggregated into the result columns.
`boolean`	`removeChunk(IterativeChunkedAggregationOperator.SingletonContext singletonContext, int chunkSize, Chunk<? extends Attributes.Values> values, LongChunk<? extends Attributes.KeyIndices> inputIndices, long destination)`	Remove a chunk of data previously aggregated into the result columns.
`boolean`	`requiresIndices()`	Whether the operator requires indices.
`void`	shiftChunk(IterativeChunkedAggregationOperator.BucketedContext bucketedContext, Chunk<? extends Attributes.Values> previousValues, Chunk<? extends Attributes.Values> newValues, LongChunk<? extends Attributes.KeyIndices> preShiftIndices, LongChunk<? extends Attributes.KeyIndices> postShiftIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)	Called with shifted indices when `IterativeChunkedAggregationOperator.requiresIndices()` returns true, including shifted same-slot modifies.
`boolean`	`shiftChunk(IterativeChunkedAggregationOperator.SingletonContext singletonContext, Chunk<? extends Attributes.Values> previousValues, Chunk<? extends Attributes.Values> newValues, LongChunk<? extends Attributes.KeyIndices> preInputIndices, LongChunk<? extends Attributes.KeyIndices> postInputIndices, long destination)`	Shift a chunk of data previously aggregated into the result columns, including shifted same-slot modifies..
`void`	`startTrackingPrevValues()`	Called after initialization; when the operator's result columns must have previous tracking enabled.
`boolean`	`unchunkedIndex()`	Whether the operator can deal with an unchunked Index more efficiently than a chunked index.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.illumon.iris.db.v2.by.IterativeChunkedAggregationOperator

initializeRefreshing, makeBucketedContext, makeSingletonContext, propagateFailure, propagateInitialState, propagateUpdates, resetForStep

Method Details
- addChunk
  
  public void addChunk(IterativeChunkedAggregationOperator.BucketedContext bucketedContext, Chunk<? extends Attributes.Values> values, LongChunk<? extends Attributes.KeyIndices> inputIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Aggregate a chunk of data into the result columns.
  
  Parameters:
  
  bucketedContext - the operator-specific context
  
  values - a chunk of values to aggregate
  
  inputIndices - the input indices, in post-shift space
  
  destinations - the destinations in resultColumn to aggregate into, parallel with startPositions and length
  
  startPositions - the starting positions in the chunk for each destination
  
  length - the number of values in the chunk for each destination
  
  stateModified - a boolean output array, parallel to destinations, which is set to true if the corresponding destination has been modified
- addChunk
  
  public boolean addChunk(IterativeChunkedAggregationOperator.SingletonContext singletonContext, int chunkSize, Chunk<? extends Attributes.Values> values, LongChunk<? extends Attributes.KeyIndices> inputIndices, long destination)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Aggregate a chunk of data into the result columns.
  
  Parameters:
  
  singletonContext - the operator-specific context
  
  chunkSize - the size of the addition
  
  values - the values to aggregate
  
  inputIndices - the input indices, in post-shift space
  
  destination - the destination in the result columns
  
  Returns:
  
  true if the state was modified, false otherwise
- addIndex
  
  public boolean addIndex(IterativeChunkedAggregationOperator.SingletonContext context, ReadOnlyIndex index, long destination)
- unchunkedIndex
  
  public boolean unchunkedIndex()
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Whether the operator can deal with an unchunked Index more efficiently than a chunked index.
  
  Returns:
  
  true if the operator can deal with unchunked indices, false otherwise
- removeChunk
  
  public void removeChunk(IterativeChunkedAggregationOperator.BucketedContext bucketedContext, Chunk<? extends Attributes.Values> values, LongChunk<? extends Attributes.KeyIndices> inputIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Remove a chunk of data previously aggregated into the result columns.
  
  Specified by:
  
  removeChunk in interface IterativeChunkedAggregationOperator
  
  Parameters:
  
  bucketedContext - the operator-specific context
  
  values - a chunk of values that have been previously aggregated.
  
  inputIndices - the input indices, in pre-shift space
  
  destinations - the destinations in resultColumn to remove the values from, parallel with startPositions and length
  
  startPositions - the starting positions in the chunk for each destination
  
  length - the number of values in the chunk for each destination
  
  stateModified - a boolean output array, parallel to destinations, which is set to true if the corresponding destination has been modified
- modifyChunk
  
  public void modifyChunk(IterativeChunkedAggregationOperator.BucketedContext bucketedContext, Chunk<? extends Attributes.Values> previousValues, Chunk<? extends Attributes.Values> newValues, LongChunk<? extends Attributes.KeyIndices> postShiftIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Modify a chunk of data previously aggregated into the result columns using a parallel chunk of new values. Never includes modifies that have been shifted if IterativeChunkedAggregationOperator.requiresIndices() returns true - those are handled in IterativeChunkedAggregationOperator.shiftChunk(BucketedContext, Chunk, Chunk, LongChunk, LongChunk, IntChunk, IntChunk, IntChunk, WritableBooleanChunk).
  
  Specified by:
  
  modifyChunk in interface IterativeChunkedAggregationOperator
  
  Parameters:
  
  bucketedContext - the operator-specific context
  
  previousValues - a chunk of values that have been previously aggregated
  
  newValues - a chunk of values to aggregate
  
  postShiftIndices - the input indices, in post-shift space
  
  destinations - the destinations in resultColumn to remove the values from, parallel with startPositions and length
  
  startPositions - the starting positions in the chunk for each destination
  
  length - the number of values in the chunk for each destination
  
  stateModified - a boolean output array, parallel to destinations, which is set to true if the corresponding destination has been modified
- shiftChunk
  
  public void shiftChunk(IterativeChunkedAggregationOperator.BucketedContext bucketedContext, Chunk<? extends Attributes.Values> previousValues, Chunk<? extends Attributes.Values> newValues, LongChunk<? extends Attributes.KeyIndices> preShiftIndices, LongChunk<? extends Attributes.KeyIndices> postShiftIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Called with shifted indices when IterativeChunkedAggregationOperator.requiresIndices() returns true, including shifted same-slot modifies.
  
  Specified by:
  
  shiftChunk in interface IterativeChunkedAggregationOperator
  
  Parameters:
  
  bucketedContext - the operator-specific context
  
  previousValues - a chunk of values that have been previously aggregated.
  
  newValues - a chunk of values to aggregate
  
  preShiftIndices - the input indices, in pre-shift space
  
  postShiftIndices - the input indices, in post-shift space
  
  destinations - the destinations in resultColumn to aggregate into, parallel with startPositions and length
  
  startPositions - the starting positions in the chunk for each destination
  
  length - the number of values in the chunk for each destination
  
  stateModified - a boolean output array, parallel to destinations, which is set to true if the corresponding destination has been modified
- modifyIndices
  
  public void modifyIndices(IterativeChunkedAggregationOperator.BucketedContext context, LongChunk<? extends Attributes.KeyIndices> inputIndices, IntChunk<Attributes.KeyIndices> destinations, IntChunk<Attributes.ChunkPositions> startPositions, IntChunk<Attributes.ChunkLengths> length, WritableBooleanChunk<Attributes.Values> stateModified)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Called with the modified indices when IterativeChunkedAggregationOperator.requiresIndices() returns true if our input columns have not changed (or we have none).
  
  Specified by:
  
  modifyIndices in interface IterativeChunkedAggregationOperator
  
  Parameters:
  
  context - the operator-specific context
  
  inputIndices - the input indices, in post-shift space
  
  destinations - the destinations in resultColumn to aggregate into, parallel with startPositions and length
  
  startPositions - the starting positions in the chunk for each destination
  
  length - the number of values in the chunk for each destination
  
  stateModified - a boolean output array, parallel to destinations, which is set to true if the corresponding destination has been modified
- removeChunk
  
  public boolean removeChunk(IterativeChunkedAggregationOperator.SingletonContext singletonContext, int chunkSize, Chunk<? extends Attributes.Values> values, LongChunk<? extends Attributes.KeyIndices> inputIndices, long destination)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Remove a chunk of data previously aggregated into the result columns.
  
  Specified by:
  
  removeChunk in interface IterativeChunkedAggregationOperator
  
  Parameters:
  
  singletonContext - the operator-specific context
  
  chunkSize - the size of the removal
  
  values - the values to remove from the aggregation
  
  inputIndices - the input indices, in pre-shift space
  
  destination - the destination in the result columns
  
  Returns:
  
  true if the state was modified, false otherwise
- modifyChunk
  
  public boolean modifyChunk(IterativeChunkedAggregationOperator.SingletonContext singletonContext, int chunkSize, Chunk<? extends Attributes.Values> previousValues, Chunk<? extends Attributes.Values> newValues, LongChunk<? extends Attributes.KeyIndices> postShiftIndices, long destination)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Modify a chunk of data previously aggregated into the result columns using a parallel chunk of new values. Never includes modifies that have been shifted if IterativeChunkedAggregationOperator.requiresIndices() returns true - those are handled in IterativeChunkedAggregationOperator.shiftChunk(SingletonContext, Chunk, Chunk, LongChunk, LongChunk, long).
  
  Specified by:
  
  modifyChunk in interface IterativeChunkedAggregationOperator
  
  Parameters:
  
  singletonContext - the operator-specific context
  
  chunkSize - the size of the modification
  
  previousValues - a chunk of values that have been previously aggregated.
  
  newValues - a chunk of values to aggregate
  
  postShiftIndices - the input indices, in post-shift space
  
  Returns:
  
  true if the state was modified, false otherwise
- shiftChunk
  
  public boolean shiftChunk(IterativeChunkedAggregationOperator.SingletonContext singletonContext, Chunk<? extends Attributes.Values> previousValues, Chunk<? extends Attributes.Values> newValues, LongChunk<? extends Attributes.KeyIndices> preInputIndices, LongChunk<? extends Attributes.KeyIndices> postInputIndices, long destination)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Shift a chunk of data previously aggregated into the result columns, including shifted same-slot modifies..
  
  Specified by:
  
  shiftChunk in interface IterativeChunkedAggregationOperator
  
  Parameters:
  
  singletonContext - the operator-specific context
  
  previousValues - a chunk of values that have been previously aggregated.
  
  newValues - a chunk of values to aggregate
  
  preInputIndices - the input indices, in pre-shift space
  
  postInputIndices - the input indices, in post-shift space
  
  destination - the destination in the result columns
  
  Returns:
  
  true if the result should be considered modified
- modifyIndices
  
  public boolean modifyIndices(IterativeChunkedAggregationOperator.SingletonContext context, LongChunk<? extends Attributes.KeyIndices> indices, long destination)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Called with the modified indices when IterativeChunkedAggregationOperator.requiresIndices() returns true if our input columns have not changed (or we have none).
  
  Specified by:
  
  modifyIndices in interface IterativeChunkedAggregationOperator
  
  Parameters:
  
  context - the operator-specific context
  
  indices - the modified indices for a given destination, in post-shift space
  
  destination - the destination that was modified
  
  Returns:
  
  true if the result should be considered modified
- ensureCapacity
  
  public void ensureCapacity(long tableSize)
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Ensure that this operator can handle destinations up to tableSize - 1.
  
  Specified by:
  
  ensureCapacity in interface IterativeChunkedAggregationOperator
  
  Parameters:
  
  tableSize - the new size of the table
- getResultColumns
  
  public Map<String,? extends ColumnSource<?>> getResultColumns()
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Return a map of result columns produced by this operator.
  
  Specified by:
  
  getResultColumns in interface IterativeChunkedAggregationOperator
  
  Returns:
  
  a map of name to columns for the result table
- startTrackingPrevValues
  
  public void startTrackingPrevValues()
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Called after initialization; when the operator's result columns must have previous tracking enabled.
  
  Specified by:
  
  startTrackingPrevValues in interface IterativeChunkedAggregationOperator
- requiresIndices
  
  public boolean requiresIndices()
  
  Description copied from interface: IterativeChunkedAggregationOperator
  
  Whether the operator requires indices. This implies that the operator must process shifts (i.e. IterativeChunkedAggregationOperator.shiftChunk(com.illumon.iris.db.v2.by.IterativeChunkedAggregationOperator.BucketedContext, com.illumon.iris.db.v2.sources.chunk.Chunk<? extends com.illumon.iris.db.v2.sources.chunk.Attributes.Values>, com.illumon.iris.db.v2.sources.chunk.Chunk<? extends com.illumon.iris.db.v2.sources.chunk.Attributes.Values>, com.illumon.iris.db.v2.sources.chunk.LongChunk<? extends com.illumon.iris.db.v2.sources.chunk.Attributes.KeyIndices>, com.illumon.iris.db.v2.sources.chunk.LongChunk<? extends com.illumon.iris.db.v2.sources.chunk.Attributes.KeyIndices>, com.illumon.iris.db.v2.sources.chunk.IntChunk<com.illumon.iris.db.v2.sources.chunk.Attributes.KeyIndices>, com.illumon.iris.db.v2.sources.chunk.IntChunk<com.illumon.iris.db.v2.sources.chunk.Attributes.ChunkPositions>, com.illumon.iris.db.v2.sources.chunk.IntChunk<com.illumon.iris.db.v2.sources.chunk.Attributes.ChunkLengths>, com.illumon.iris.db.v2.sources.chunk.WritableBooleanChunk<com.illumon.iris.db.v2.sources.chunk.Attributes.Values>)), and must observe modifications even when its input columns (if any) are not modified (i.e. IterativeChunkedAggregationOperator.modifyIndices(com.illumon.iris.db.v2.by.IterativeChunkedAggregationOperator.BucketedContext, com.illumon.iris.db.v2.sources.chunk.LongChunk<? extends com.illumon.iris.db.v2.sources.chunk.Attributes.KeyIndices>, com.illumon.iris.db.v2.sources.chunk.IntChunk<com.illumon.iris.db.v2.sources.chunk.Attributes.KeyIndices>, com.illumon.iris.db.v2.sources.chunk.IntChunk<com.illumon.iris.db.v2.sources.chunk.Attributes.ChunkPositions>, com.illumon.iris.db.v2.sources.chunk.IntChunk<com.illumon.iris.db.v2.sources.chunk.Attributes.ChunkLengths>, com.illumon.iris.db.v2.sources.chunk.WritableBooleanChunk<com.illumon.iris.db.v2.sources.chunk.Attributes.Values>)).
  
  Specified by:
  
  requiresIndices in interface IterativeChunkedAggregationOperator
  
  Returns:
  
  true if the operator requires indices, false otherwise

Class StaticFirstOrLastChunkedOperator

Nested Class Summary

Nested classes/interfaces inherited from interface com.illumon.iris.db.v2.by.IterativeChunkedAggregationOperator

Field Summary

Fields inherited from interface com.illumon.iris.db.v2.by.IterativeChunkedAggregationOperator

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface com.illumon.iris.db.v2.by.IterativeChunkedAggregationOperator

Method Details