Package | Description |
---|---|
com.pervasive.datarush.analytics.arm |
Provides common classes for Association Rule Mining (ARM).
|
com.pervasive.datarush.analytics.cleansing |
Provides operators related to data cleansing.
|
com.pervasive.datarush.analytics.r | |
com.pervasive.datarush.analytics.stats |
Provides various statistics, Data Summarizer, and Data Quality Analyzer.
|
com.pervasive.datarush.analytics.text |
Provides various unstructured text processing operators.
|
com.pervasive.datarush.operators |
Provides classes and interfaces for developing dataflow operators.
|
com.pervasive.datarush.operators.assertion |
Provides operators for making assertions on flows and files.
|
com.pervasive.datarush.operators.group |
Provides data aggregation components.
|
com.pervasive.datarush.operators.io.jdbc |
Provides operators for reading from JDBC sources and writing to JDBC targets.
|
com.pervasive.datarush.operators.io.textfile |
Provides operators for reading and writing text data.
|
com.pervasive.datarush.operators.partition |
Provides operators for partitioning and unpartitioning flows of data.
|
com.pervasive.datarush.operators.record |
Provides operators for manipulating record structure.
|
com.pervasive.datarush.operators.scripting |
Provides the
RunScript
operator for running user-defined scripts on the rows of an input record flow. |
com.pervasive.datarush.operators.select |
Provides operators for selecting a subset of the data set.
|
com.pervasive.datarush.operators.sort |
Provides operators for sorting and manipulating sorted
flows.
|
com.pervasive.datarush.operators.string |
Provides operators for operating on string values in records.
|
Modifier and Type | Class and Description |
---|---|
class |
FrequentItems
Compute the frequent items within the given transactions.
|
Modifier and Type | Class and Description |
---|---|
class |
ReplaceMissingValues
Replace missing values in the input data according to the given replacement specifications.
|
Modifier and Type | Class and Description |
---|---|
class |
RunRScript
Execute an R script in flow.
|
Modifier and Type | Class and Description |
---|---|
class |
DistinctValues
Calculates distinct values of the given input field.
|
class |
NormalizeValues
Apply normalization methods to fields within an input data flow.
|
class |
Rank
Rank data using the given rank mode.
|
Modifier and Type | Class and Description |
---|---|
class |
CalculateNGramFrequency
Calculates the n-gram frequencies for a tokenized text field.
|
class |
CalculateWordFrequency
Calculates the word frequencies for a tokenized text field.
|
class |
ConvertTextCase
Converts the case on a TokenizedText field.
|
class |
CountTokens
Counts the number of tokens in a tokenized text field.
|
class |
DictionaryFilter
Filters a tokenized text field using a dictionary.
|
class |
ExpandTextFrequency
Expands text frequency field.
|
class |
ExpandTextTokens
Expands a TokenizedText field.
|
class |
FilterText
Filters a tokenized text field.
|
class |
GenerateBagOfWords
Calculates the bag of words for a tokenized text field.
|
class |
TextFrequencyFilter
Filters a frequency map field.
|
class |
TextStemmer
Stems a TokenizedText field.
|
class |
TextTokenizer
Tokenizes a string field as a TokenizedText object.
|
Modifier and Type | Class and Description |
---|---|
class |
AbstractDeferredRecordOperator
Convenient base class for
DeferredCompositeOperator 's that are
also RecordPipelineOperator 's. |
class |
AbstractExecutableRecordPipeline
A base class for simple record-to-record operators, providing
common functions.
|
class |
AbstractRecordCompositeOperator
Convenient base class for
CompositeOperator 's that are
also RecordPipelineOperator 's. |
Modifier and Type | Class and Description |
---|---|
class |
AssertSorted
Verifies that the input data is sorted by the given set of keys.
|
Modifier and Type | Class and Description |
---|---|
class |
Group
Performs grouping (aggregation) of sorted input data.
|
class |
RemoveDuplicates
Removes duplicate rows based on a specified set of group keys.
|
class |
SortedGroupHandler
Common base class for all processes that need to detect group boundaries
|
Modifier and Type | Class and Description |
---|---|
class |
DeleteFromJDBC
This operator deletes data in the target table in a database by applying
SQL delete statements.
|
class |
ReadFromJDBC
The
ReadFromJDBC operator is used to access relational database systems using a supplied JDBC driver. |
class |
UpdateInJDBC
This operator updates the target table in a database by applying SQL update
statements.
|
Modifier and Type | Class and Description |
---|---|
class |
ParseTextFields
Parses input text records according to a specified text schema.
|
Modifier and Type | Class and Description |
---|---|
class |
GatherHint
Forces parallel streams of data to be gathered into a single
non-parallel stream.
|
class |
PartitionHint
Forces the input data to be partitioned into parallel streams of data
for subsequent parallel operations.
|
class |
Randomize
Operator that re-orders its input in a random fashion.
|
Modifier and Type | Class and Description |
---|---|
class |
ColumnsToRows
Normalize records by transposing values from row columns into multiple rows.
|
class |
DeriveFields
Applies one or more functions to the input record data.
|
class |
FilterFields
Base class for operators which filter fields in the input records.
|
class |
RemapFields
Rearranges and renames fields in a record.
|
class |
RemoveFields
Removes a subset of fields from the input records.
|
class |
RetainFields
Preserves a subset of fields from the input records.
|
class |
RowsToColumns
The RowsToColumns operator is used to pivot data from a narrow representation
(rows) into a wider representation (columns).
|
class |
SelectFields
Preserves a subset of fields from the input records.
|
Modifier and Type | Class and Description |
---|---|
class |
RunJavaScript
Processes rows using user-defined scripts written in JavaScript.
|
class |
RunScript
Processes rows using user-defined scripts.
|
Modifier and Type | Class and Description |
---|---|
class |
FilterRows
Filters records based on a specified predicate.
|
class |
LimitRows
Truncates a flow to a fixed number of records.
|
class |
SampleRandomRows
Apply random sampling to the input data.
|
Modifier and Type | Class and Description |
---|---|
class |
Sort
Sorts the input data.
|
Modifier and Type | Class and Description |
---|---|
class |
SplitField
Splits a string field into multiple fields, based on a specified pattern.
|
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