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java.lang.Objectorg.apache.hadoop.hive.serde2.lazy.LazyObject<OI>
public abstract class LazyObject<OI extends ObjectInspector>
LazyObject stores an object in a range of bytes in a byte[]. A LazyObject can represent any primitive object or hierarchical object like array, map or struct.
Constructor Summary | |
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protected |
LazyObject(OI oi)
Create a LazyObject. |
Method Summary | |
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abstract Object |
getObject()
If the LazyObject is a primitive Object, then deserialize it and return the actual primitive Object. |
abstract void |
init(ByteArrayRef bytes,
int start,
int length)
Set the data for this LazyObject. |
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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protected LazyObject(OI oi)
oi
- Derived classes can access meta information about this Lazy
Object (e.g, separator, nullSequence, escaper) from it.Method Detail |
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public abstract void init(ByteArrayRef bytes, int start, int length)
bytes
- The wrapper of the byte[].start
- The start position inside the bytes.length
- The length of the data, starting from "start"ByteArrayRef
public abstract Object getObject()
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