oracle.spatial.hadoop.vector.mapred.job

Class SuggestService<K,V>

java.lang.Object

org.apache.hadoop.conf.Configured

oracle.spatial.hadoop.vector.mapred.job.BaseJob<K,V>

oracle.spatial.hadoop.vector.mapred.job.SuggestService<K,V>

Type Parameters:

K - the type of the input keys

V - the type of the input values

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public class SuggestService<K,V>
extends BaseJob<K,V>

Runs a or configures a job for suggesting locations for texts in input records using MVSuggest.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SuggestService.MVSMapper<K,V> Maps location texts from input records to a suggested feature/layer returned by MVSuggest
static class	SuggestService.SuggestServiceReducer<K,V> Collects all the different texts associated to each feature id/layer

Field Summary

Fields inherited from class oracle.spatial.hadoop.vector.mapred.job.BaseJob

argsp, inputDataSet, jarClass, jobRegEntryPath, proxyIDS

Constructor Summary

Constructors

Constructor and Description
SuggestService()

Method Summary

Methods

Modifier and Type	Method and Description
void	configure(org.apache.hadoop.mapred.JobConf conf) Validates and adds the current parameters to the job configuration
java.lang.String	getCmdOptions() Gets a description of the arguments expected from command line.
java.util.Map<java.lang.String,java.lang.Object>	getCurrentCmdArgs(org.apache.hadoop.conf.Configuration conf) Returns the current driver properties in a map where each key-value is a name and value of a command line argument.
protected InputDataSetCmdArgsParserHandler	getInputDataSetCmdParserHandler(org.apache.hadoop.conf.Configuration conf) Gets the current instance of InputDataSetCmdArgsParserHandler used to parse command line parameters for the input data set
protected InputDataSetConfiguratorHandler	getInputDataSetConfiguratorHandler(org.apache.hadoop.conf.Configuration conf) Returns the current instance of InputDataSetConfiguratorHandler used to configure the input data set
MVSConfig	getMvsConf() Gets the MVSuggest configuration
static <K,V> void	main(java.lang.String[] args)
void	processArgs(java.lang.String[] args, org.apache.hadoop.conf.Configuration conf) Extracts and validates arguments from the command line
int	run(java.lang.String[] args)
void	setMvsConf(MVSConfig mvsConf) Sets the MVSuggest configuration

Methods inherited from class oracle.spatial.hadoop.vector.mapred.job.BaseJob

addJobRegistryEntry, addJobRegistryEntry, addJobRegistryEntry, configure, createJob, createJob, createJob, createJob, createJobConf, createJobConf, createJobConf, getCmdOptionsWithInputDataSets, getCmdOptionsWithInputDataSets, getCurrentCmdArgsAsString, getCurrentCmdArgsAsString, getInput, getInputDataSet, getInputFormatClass, getJarClass, getOutput, getRecordInfoProviderClass, getSpatialConfig, runJob, runJob, setInput, setInputDataSet, setInputFormatClass, setJarClass, setOutput, setRecordInfoProviderClass, setSpatialConfig, updateInputDataSet

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Constructor Detail

SuggestService

public SuggestService()

Method Detail

getInputDataSetConfiguratorHandler

protected InputDataSetConfiguratorHandler getInputDataSetConfiguratorHandler(org.apache.hadoop.conf.Configuration conf)

Description copied from class: BaseJob

Returns the current instance of InputDataSetConfiguratorHandler used to configure the input data set

Specified by:

getInputDataSetConfiguratorHandler in class BaseJob<K,V>

Parameters:

conf - a job configuration

Returns:

an instance of InputDataSetConfiguratorHandler

getInputDataSetCmdParserHandler

protected InputDataSetCmdArgsParserHandler getInputDataSetCmdParserHandler(org.apache.hadoop.conf.Configuration conf)

Description copied from class: BaseJob

Gets the current instance of InputDataSetCmdArgsParserHandler used to parse command line parameters for the input data set

Specified by:

getInputDataSetCmdParserHandler in class BaseJob<K,V>

Parameters:

conf - a job configuration

Returns:

an instance of InputDataSetCmdArgsParserHandler

setMvsConf

public void setMvsConf(MVSConfig mvsConf)

Sets the MVSuggest configuration

Parameters:

mvsConf - the MVSuggest configuration

getMvsConf

public MVSConfig getMvsConf()

Gets the MVSuggest configuration

Returns:

the MVSuggest configuration

getCmdOptions

public java.lang.String getCmdOptions()

Description copied from class: BaseJob

Gets a description of the arguments expected from command line.

Overrides:

getCmdOptions in class BaseJob<K,V>

Returns:

a text description

processArgs

public void processArgs(java.lang.String[] args,
                        org.apache.hadoop.conf.Configuration conf)
                 throws java.lang.Exception

Description copied from class: BaseJob

Extracts and validates arguments from the command line

Overrides:

processArgs in class BaseJob<K,V>

Parameters:

args - arguments from the command line

conf - the job configuration

Throws:

java.lang.Exception

getCurrentCmdArgs

public java.util.Map<java.lang.String,java.lang.Object> getCurrentCmdArgs(org.apache.hadoop.conf.Configuration conf)

Description copied from class: BaseJob

Returns the current driver properties in a map where each key-value is a name and value of a command line argument. By printing this information it is possible to know how to execute a similar job from command line

Overrides:

getCurrentCmdArgs in class BaseJob<K,V>

Parameters:

conf - a job configuration

Returns:

a map which entries are of type <String,String> or <String, Map<String, Object>> for multiple input data sets. For nested maps, the entry types are the same than the enclosing map

configure

public void configure(org.apache.hadoop.mapred.JobConf conf)
               throws java.lang.Exception

Description copied from class: BaseJob

Validates and adds the current parameters to the job configuration

Overrides:

configure in class BaseJob<K,V>

Parameters:

conf - the job configuration

Throws:

java.lang.Exception

run

public int run(java.lang.String[] args)
        throws java.lang.Exception

Throws:

java.lang.Exception

main

public static <K,V> void main(java.lang.String[] args)
                       throws java.lang.Exception

Throws:

java.lang.Exception