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java.lang.Objectorg.apache.hadoop.hive.serde2.objectinspector.LazyListObjectInspector
public class LazyListObjectInspector
LazyListObjectInspector works on array data that is stored in LazyArray. Always use the ObjectInspectorFactory to create new ObjectInspector objects, instead of directly creating an instance of this class.
Nested Class Summary |
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Nested classes/interfaces inherited from interface org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector |
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ObjectInspector.Category |
Field Summary | |
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static org.apache.commons.logging.Log |
LOG
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Constructor Summary | |
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protected |
LazyListObjectInspector(ObjectInspector listElementObjectInspector,
byte separator,
org.apache.hadoop.io.Text nullSequence)
Call ObjectInspectorFactory.getLazySimpleListObjectInspector instead. |
Method Summary | |
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ObjectInspector.Category |
getCategory()
An ObjectInspector must inherit from one of the following interfaces if getCategory() returns: PRIMITIVE: PrimitiveObjectInspector LIST: ListObjectInspector MAP: MapObjectInspector STRUCT: StructObjectInspector |
List<?> |
getList(Object data)
returns null for data = null. |
Object |
getListElement(Object data,
int index)
returns null for null list, out-of-the-range index. |
ObjectInspector |
getListElementObjectInspector()
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int |
getListLength(Object data)
returns -1 for data = null. |
String |
getTypeName()
Returns the name of the data type that is inspected by this ObjectInspector. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final org.apache.commons.logging.Log LOG
Constructor Detail |
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protected LazyListObjectInspector(ObjectInspector listElementObjectInspector, byte separator, org.apache.hadoop.io.Text nullSequence)
Method Detail |
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public final ObjectInspector.Category getCategory()
ObjectInspector
getCategory
in interface ObjectInspector
public ObjectInspector getListElementObjectInspector()
getListElementObjectInspector
in interface ListObjectInspector
public Object getListElement(Object data, int index)
ListObjectInspector
getListElement
in interface ListObjectInspector
public int getListLength(Object data)
ListObjectInspector
getListLength
in interface ListObjectInspector
public List<?> getList(Object data)
ListObjectInspector
getList
in interface ListObjectInspector
public String getTypeName()
ObjectInspector
getTypeName
in interface ObjectInspector
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