org.kitesdk.data.crunch.CrunchDatasets
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java.lang.Object
@Beta public class CrunchDatasets
A helper class for exposing Datasets and Views as Crunch
ReadableSources or Targets.
| Constructor Summary | |
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CrunchDatasets()
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| Method Summary | ||
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static
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asSource(Dataset<E> dataset,
Class<E> type)
Deprecated. will be removed in 0.16.0; use asSource(View) |
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static
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asSource(String uri,
Class<E> type)
Expose the View or Dataset represented by the URI
as a Crunch ReadableSource. |
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static
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asSource(URI uri,
Class<E> type)
Expose the View or Dataset represented by the URI
as a Crunch ReadableSource. |
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static
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asSource(View<E> view)
Expose the given View as a Crunch ReadableSource. |
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static
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asSource(View<E> view,
Class<E> type)
Deprecated. will be removed in 0.16.0; use asSource(View) |
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static
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asTarget(Dataset<E> dataset)
Deprecated. will be removed in 0.16.0; use asTarget(View) |
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static Target |
asTarget(String uri)
Expose the Dataset or View represented by the given
URI as a Crunch Target. |
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static Target |
asTarget(URI uri)
Expose the Dataset or View represented by the given
URI as a Crunch Target. |
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static
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asTarget(View<E> view)
Expose the given View as a Crunch Target. |
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| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public CrunchDatasets()
| Method Detail |
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@Deprecated
public static <E> ReadableSource<E> asSource(Dataset<E> dataset,
Class<E> type)
asSource(View)
Dataset as a Crunch ReadableSource.
E - the type of entity produced by the sourcedataset - the dataset to read fromtype - the Java type of the entities in the dataset
ReadableSource for the dataset
public static <E> ReadableSource<E> asSource(View<E> view,
Class<E> type)
asSource(View)
View as a Crunch ReadableSource.
E - the type of entity produced by the sourceview - the view to read fromtype - the Java type of the entities in the dataset
ReadableSource for the viewpublic static <E> ReadableSource<E> asSource(View<E> view)
View as a Crunch ReadableSource.
E - the type of entity produced by the sourceview - the view to read from
ReadableSource for the view
public static <E> ReadableSource<E> asSource(URI uri,
Class<E> type)
View or Dataset represented by the URI
as a Crunch ReadableSource.
E - the type of entity produced by the sourceuri - the URI of the view or dataset to read fromtype - the Java type of the entities in the dataset
ReadableSource for the view
public static <E> ReadableSource<E> asSource(String uri,
Class<E> type)
View or Dataset represented by the URI
as a Crunch ReadableSource.
E - the type of entity produced by the sourceuri - the URI of the view or dataset to read fromtype - the Java type of the entities in the dataset
ReadableSource for the view@Deprecated public static <E> Target asTarget(Dataset<E> dataset)
asTarget(View)
Dataset as a Crunch Target.
E - the type of entity stored in the datasetdataset - the dataset to write to
Target for the datasetpublic static <E> Target asTarget(View<E> view)
View as a Crunch Target.
E - the type of entity stored in the viewview - the view to write to
Target for the viewpublic static Target asTarget(String uri)
Dataset or View represented by the given
URI as a Crunch Target.
uri - the dataset or view URI
Target for the dataset or viewpublic static Target asTarget(URI uri)
Dataset or View represented by the given
URI as a Crunch Target.
uri - the dataset or view URI
Target for the dataset or view
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