oracle.spatial.hadoop.vector.mvsuggest

Class MVSRepository

java.lang.Object

oracle.spatial.hadoop.vector.mvsuggest.MVSRepository

public class MVSRepository
extends java.lang.Object

Reads an holds layers templates from the MVSuggest repository.

Field Summary

Fields

Modifier and Type	Field and Description
static GeoAreaInfo	EMPTY_RESULT

Constructor Summary

Constructors

Constructor and Description
MVSRepository(boolean keepTemplates, boolean includeFeaturesGeometries, boolean useFeatureCentroids) Creates a new instance

Method Summary

Modifier and Type	Method and Description
boolean	containsTemplates() Tells whether the templates JSON contents are contained
GeoAreaInfo	getFeatureInfo(java.lang.String layer, java.lang.String featureId) Gets the information of the feature identified by the layer name and feature id.
java.lang.String[]	getLayers() Gets the names of all the contained layers
java.lang.String	getTemplate(java.lang.String layer) Gets the template JSON content of the specified layer.
void	loadTemplate(java.lang.String layer, org.apache.hadoop.fs.Path templatePath, org.apache.hadoop.conf.Configuration conf) Loads the template file of the given layer from the path specified
void	loadTemplate(java.lang.String layer, java.lang.String jsonTemplate) Parses the template JSON for the given layer
void	loadTemplates(java.lang.String[] layers, org.apache.hadoop.fs.Path templatesPath, org.apache.hadoop.conf.Configuration conf) Loads and parses the template files of the given layers from the path specified.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_RESULT

public static final GeoAreaInfo EMPTY_RESULT

Constructor Detail

MVSRepository

public MVSRepository(boolean keepTemplates,
                     boolean includeFeaturesGeometries,
                     boolean useFeatureCentroids)

Creates a new instance

Parameters:

keepTemplates - whether the templates JSON contents should be kept in memory

includeFeaturesGeometries - whether the templates features geometries should be included

useFeatureCentroids - whether the templates feature geometries should be converted to centroids. This parameter is ignored if includeFeaturesGeometries is set to false

Method Detail

getLayers

public java.lang.String[] getLayers()

Gets the names of all the contained layers

Returns:

an array of layer names

containsTemplates

public boolean containsTemplates()

Tells whether the templates JSON contents are contained

Returns:

getTemplate

public java.lang.String getTemplate(java.lang.String layer)

Gets the template JSON content of the specified layer.

Parameters:

layer - the name of a layer contained in the repository

Returns:

the layer's JSON template or null if the repository was not configured to keep templates.

getFeatureInfo

public GeoAreaInfo getFeatureInfo(java.lang.String layer,
                                  java.lang.String featureId)

Gets the information of the feature identified by the layer name and feature id. The information will

Parameters:

layer - a layer name

featureId - a feature id

Returns:

a GeoAreaInfo containing the feature information

loadTemplates

public void loadTemplates(java.lang.String[] layers,
                          org.apache.hadoop.fs.Path templatesPath,
                          org.apache.hadoop.conf.Configuration conf)
                   throws java.io.IOException

Loads and parses the template files of the given layers from the path specified.

Parameters:

layers - an array of layer names

templatesPath - the path where the template files are located

conf - the job configuration

Throws:

java.io.IOException

loadTemplate

public void loadTemplate(java.lang.String layer,
                         org.apache.hadoop.fs.Path templatePath,
                         org.apache.hadoop.conf.Configuration conf)
                  throws java.io.IOException

Loads the template file of the given layer from the path specified

Parameters:

layer - a layer name

templatePath - the path where the template is located

conf - the job configuration

Throws:

java.io.IOException

loadTemplate

public void loadTemplate(java.lang.String layer,
                         java.lang.String jsonTemplate)
                  throws java.io.IOException

Parses the template JSON for the given layer

Parameters:

layer - a layer name

jsonTemplate - the template`s JSON content

Throws:

java.io.IOException