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Uses of Interface org.apache.crunch.PObject (Apache Crunch 0.7.0 API)

Uses of Interface
org.apache.crunch.PObject

Packages that use PObject
org.apache.crunch Client-facing API and core abstractions. 
org.apache.crunch.contrib.bloomfilter Support for creating Bloom Filters. 
org.apache.crunch.lib Joining, sorting, aggregating, and other commonly used functionality. 
 

Uses of PObject in org.apache.crunch
 

Methods in org.apache.crunch that return PObject
 PObject<Collection<S>> PCollection.asCollection()
           
 PObject<Map<K,V>> PTable.asMap()
          Returns a PObject encapsulating a Map made up of the keys and values in this PTable.
 PObject<Long> PCollection.length()
          Returns the number of elements represented by this PCollection.
 PObject<S> PCollection.max()
          Returns a PObject of the maximum element of this instance.
 PObject<S> PCollection.min()
          Returns a PObject of the minimum element of this instance.
 

Uses of PObject in org.apache.crunch.contrib.bloomfilter
 

Methods in org.apache.crunch.contrib.bloomfilter that return PObject
static PObject<Map<String,org.apache.hadoop.util.bloom.BloomFilter>> BloomFilterFactory.createFilter(org.apache.hadoop.fs.Path inputPath, BloomFilterFn<String> filterFn)
          The method will take an input path and generates BloomFilters for all text files in that path.
static
<T> PObject<org.apache.hadoop.util.bloom.BloomFilter>
BloomFilterFactory.createFilter(PCollection<T> collection, BloomFilterFn<T> filterFn)
           
 

Uses of PObject in org.apache.crunch.lib
 

Methods in org.apache.crunch.lib that return PObject
static
<S> PObject<Long>
Aggregate.length(PCollection<S> collect)
          Returns the number of elements in the provided PCollection.
static
<S> PObject<S>
Aggregate.max(PCollection<S> collect)
          Returns the largest numerical element from the input collection.
static
<S> PObject<S>
Aggregate.min(PCollection<S> collect)
          Returns the smallest numerical element from the input collection.
 



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