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AssociationTable - Class in co.cask.cdap.examples.wordcount

AssociationTable(DatasetSpecification, Table) - Constructor for class co.cask.cdap.examples.wordcount.AssociationTable

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co.cask.cdap.examples.wordcount - package co.cask.cdap.examples.wordcount

This package contains the WordCount sample Application that counts words and tracks the associations between words.

configure() - Method in class co.cask.cdap.examples.wordcount.RetrieveCounts

configure() - Method in class co.cask.cdap.examples.wordcount.WordCount

configure() - Method in class co.cask.cdap.examples.wordcount.WordCounter

Counter - Class in co.cask.cdap.examples.wordcount

Counter Flowlet.

Counter() - Constructor for class co.cask.cdap.examples.wordcount.Counter

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getAssoc(String, String) - Method in class co.cask.cdap.examples.wordcount.AssociationTable

Returns how many times two words occured together.

getAssoc(HttpServiceRequest, HttpServiceResponder, String, String) - Method in class co.cask.cdap.examples.wordcount.RetrieveCountsHandler

Returns the count of associations for a specific word pair.

getCount(HttpServiceRequest, HttpServiceResponder, String, Integer) - Method in class co.cask.cdap.examples.wordcount.RetrieveCountsHandler

Returns the count for a specific word and its word associations, up to the specified limit or a pre-set limit of ten if not specified.

getCounts(HttpServiceRequest, HttpServiceResponder) - Method in class co.cask.cdap.examples.wordcount.RetrieveCountsHandler

Returns the counts for all words in the input.

getMultiCounts(HttpServiceRequest, HttpServiceResponder) - Method in class co.cask.cdap.examples.wordcount.RetrieveCountsHandler

Returns the counts for all words in the input.

getStats(HttpServiceRequest, HttpServiceResponder) - Method in class co.cask.cdap.examples.wordcount.RetrieveCountsHandler

Returns total number of words, the number of unique words, and the average word length.

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process(String) - Method in class co.cask.cdap.examples.wordcount.Counter

process(String) - Method in class co.cask.cdap.examples.wordcount.UniqueCounter

process(Set<String>) - Method in class co.cask.cdap.examples.wordcount.WordAssociator

process(StreamEvent) - Method in class co.cask.cdap.examples.wordcount.WordSplitter

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readUniqueCount() - Method in class co.cask.cdap.examples.wordcount.UniqueCountTable

Returns the current unique count.

readWordAssocs(String, int) - Method in class co.cask.cdap.examples.wordcount.AssociationTable

Returns the top words associated with the specified word and the number of times the words have appeared together.

RetrieveCounts - Class in co.cask.cdap.examples.wordcount

A Service to retrieve statistics, word counts and associations.

RetrieveCounts() - Constructor for class co.cask.cdap.examples.wordcount.RetrieveCounts

RetrieveCountsHandler - Class in co.cask.cdap.examples.wordcount

Retrieve Counts service handler.

RetrieveCountsHandler() - Constructor for class co.cask.cdap.examples.wordcount.RetrieveCountsHandler

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SERVICE_NAME - Static variable in class co.cask.cdap.examples.wordcount.RetrieveCounts

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UniqueCounter - Class in co.cask.cdap.examples.wordcount

UniqueCounter() - Constructor for class co.cask.cdap.examples.wordcount.UniqueCounter

UniqueCountTable - Class in co.cask.cdap.examples.wordcount

Counts the number of unique entries seen given any number of entries.

UniqueCountTable(DatasetSpecification, Table, Table) - Constructor for class co.cask.cdap.examples.wordcount.UniqueCountTable

updateUniqueCount(String) - Method in class co.cask.cdap.examples.wordcount.UniqueCountTable

Adds the specified entry to the Table and augments the specified tuple with a special field that will be used in the downstream Flowlet that this tuple is sent to.

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WordAssociator - Class in co.cask.cdap.examples.wordcount

Word associator Flowlet.

WordAssociator() - Constructor for class co.cask.cdap.examples.wordcount.WordAssociator

WordCount - Class in co.cask.cdap.examples.wordcount

Word count sample Application.

WordCount() - Constructor for class co.cask.cdap.examples.wordcount.WordCount

WordCounter - Class in co.cask.cdap.examples.wordcount

Flow that takes any arbitrary string of input and performs word statistics.

WordCounter() - Constructor for class co.cask.cdap.examples.wordcount.WordCounter

WordSplitter - Class in co.cask.cdap.examples.wordcount

Word splitter Flowlet.

WordSplitter() - Constructor for class co.cask.cdap.examples.wordcount.WordSplitter

writeWordAssocs(Set<String>) - Method in class co.cask.cdap.examples.wordcount.AssociationTable

Stores associations between the specified set of words.

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