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public interface ReadableSource<T>
An extension of the Source
interface that indicates that a
Source
instance may be read as a series of records by the client
code. This is used to determine whether a PCollection
instance can be
materialized.
Method Summary | |
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Iterable<T> |
read(org.apache.hadoop.conf.Configuration conf)
Returns an Iterable that contains the contents of this source. |
Methods inherited from interface org.apache.crunch.Source |
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configureSource, getConverter, getLastModifiedAt, getSize, getType |
Method Detail |
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Iterable<T> read(org.apache.hadoop.conf.Configuration conf) throws IOException
Iterable
that contains the contents of this source.
conf
- The current Configuration
instance
Source
as an Iterable
instance
IOException
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