cn.eppdev.mlib.sdk.hive.udf

类 EppdevMlibToJsonUDF

java.lang.Object

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

cn.eppdev.mlib.sdk.hive.udf.EppdevMlibToJsonUDF

所有已实现的接口:

Closeable, AutoCloseable

public class EppdevMlibToJsonUDF
extends org.apache.hadoop.hive.ql.udf.generic.GenericUDF

作者:

jinlong.hao

嵌套类概要

从类继承的嵌套类/接口 org.apache.hadoop.hive.ql.udf.generic.GenericUDF

org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject, org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject

字段概要

字段

限定符和类型	字段和说明
(专用程序包) static org.apache.hadoop.io.Text	text

构造器概要

构造器

构造器和说明
EppdevMlibToJsonUDF()

方法概要

限定符和类型	方法和说明
Object	evaluate(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject[] deferredObjects)
String	getDisplayString(String[] strings)
org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector	initialize(org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] objectInspectors)

从类继承的方法 org.apache.hadoop.hive.ql.udf.generic.GenericUDF

checkArgGroups, checkArgPrimitive, checkArgsSize, close, configure, copyToNewInstance, flip, getArgOrder, getConstantIntValue, getConstantLongValue, getConstantStringValue, getDateValue, getDoubleValue, getFuncName, getIntValue, getLongValue, getRequiredFiles, getRequiredJars, getStandardDisplayString, getStandardDisplayString, getStringValue, getTimestampValue, getUdfName, initializeAndFoldConstants, obtainDateConverter, obtainDoubleConverter, obtainIntConverter, obtainLongConverter, obtainStringConverter, obtainTimestampConverter

从类继承的方法 java.lang.Object

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

字段详细资料

text

static final org.apache.hadoop.io.Text text

构造器详细资料

EppdevMlibToJsonUDF

public EppdevMlibToJsonUDF()

方法详细资料

initialize

public org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector initialize(org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector[] objectInspectors)
                                                                         throws org.apache.hadoop.hive.ql.exec.UDFArgumentException

指定者:

initialize 在类中 org.apache.hadoop.hive.ql.udf.generic.GenericUDF

抛出:

org.apache.hadoop.hive.ql.exec.UDFArgumentException

evaluate

public Object evaluate(org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject[] deferredObjects)
                throws org.apache.hadoop.hive.ql.metadata.HiveException

指定者:

evaluate 在类中 org.apache.hadoop.hive.ql.udf.generic.GenericUDF

抛出:

org.apache.hadoop.hive.ql.metadata.HiveException

getDisplayString

public String getDisplayString(String[] strings)

指定者:

getDisplayString 在类中 org.apache.hadoop.hive.ql.udf.generic.GenericUDF