org.apache.hadoop.hive.ql.udf.esri

Class ST_GeometryRelational

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.GenericUDF

org.apache.hadoop.hive.ql.udf.esri.ST_GeometryRelational

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

ST_Contains, ST_Crosses, ST_Disjoint, ST_Equals, ST_Intersects, ST_Overlaps, ST_Touches, ST_Within

public abstract class ST_GeometryRelational
extends GenericUDF

Abstract class that all simple relational tests (contains, touches, ...) extend from

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

GenericUDF.DeferredJavaObject, GenericUDF.DeferredObject

Constructor Summary

Constructors

Constructor and Description
ST_GeometryRelational()

Method Summary

Modifier and Type	Method and Description
void	close() Close GenericUDF.
Object	evaluate(GenericUDF.DeferredObject[] args) Evaluate the GenericUDF with the arguments.
protected abstract com.esri.core.geometry.OperatorSimpleRelation	getRelationOperator() Operators that extend this should return an instance of OperatorSimpleRelation
ObjectInspector	initialize(ObjectInspector[] OIs) Initialize this GenericUDF.

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

adapt, checkArgGroups, checkArgPrimitive, checkArgsSize, configure, copyToNewInstance, flip, getArgOrder, getConstantBooleanValue, getConstantIntValue, getConstantStringValue, getDateValue, getDisplayString, getDoubleValue, getFuncName, getIntervalDayTimeValue, getIntervalYearMonthValue, getIntValue, getLongValue, getRequiredFiles, getRequiredJars, getStandardDisplayString, getStandardDisplayString, getStringValue, getTimestampValue, getUdfName, initializeAndFoldConstants, negative, obtainDateConverter, obtainDoubleConverter, obtainIntConverter, obtainLongConverter, obtainStringConverter, obtainTimestampConverter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ST_GeometryRelational

public ST_GeometryRelational()

Method Detail

getRelationOperator

protected abstract com.esri.core.geometry.OperatorSimpleRelation getRelationOperator()

Operators that extend this should return an instance of OperatorSimpleRelation

Returns:

operator for simple relationship tests

initialize

public ObjectInspector initialize(ObjectInspector[] OIs)
                           throws UDFArgumentException

Description copied from class: GenericUDF

Initialize this GenericUDF. This will be called once and only once per GenericUDF instance.

Specified by:

initialize in class GenericUDF

Parameters:

OIs - The ObjectInspector for the arguments

Returns:

The ObjectInspector for the return value

Throws:

UDFArgumentException - Thrown when arguments have wrong types, wrong length, etc.

evaluate

public Object evaluate(GenericUDF.DeferredObject[] args)
                throws HiveException

Description copied from class: GenericUDF

Evaluate the GenericUDF with the arguments.

Specified by:

evaluate in class GenericUDF

Parameters:

args - The arguments as DeferedObject, use DeferedObject.get() to get the actual argument Object. The Objects can be inspected by the ObjectInspectors passed in the initialize call.

Returns:

The

Throws:

HiveException

close

public void close()

Description copied from class: GenericUDF

Close GenericUDF. This is only called in runtime of MapRedTask.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class GenericUDF