Package org.geotools.appschema.util

Class IndexQueryUtils

Object

IndexQueryUtils

public final class IndexQueryUtils
extends Object

Author:

Fernando Miño - Geosolutions

Method Summary

Modifier and Type	Method	Description
static Filter	buildIdInExpression(List<String> ids, FeatureTypeMapping mapping)	Builds a mapping->identifier IN (ids...) like function/clause
static Filter	buildIdInExpressionFunction(List<String> ids, FeatureTypeMapping mapping)	Builds a mapping->identifier IN (ids...) like function/clause
static Filter	buildIdInExpressionOr(List<String> ids, FeatureTypeMapping mapping)	Builds an OR operator comparing Identifier with ids list
static boolean	checkAllPropertiesIndexed(List<String> properties, FeatureTypeMapping mapping)	Checks if all properties are indexed in mapping
static boolean	equalsProperty(AttributeMapping mapping, String propertyName)	Checks if property name is equals to source/identifier expression in attribute mapping
static boolean	equalsPropertyExpression(Expression expression, String propertyName)	Compare if expression == propertyName
static boolean	equalsXpath(FeatureTypeMapping mapping, AttributeMapping attMapping, String xpath)	Compare if mapping-xpath == attMapping
static List<String>	getAttributesOnFilter(Filter filter)	Extracts List of attributes names from Filter
static List<String>	getAttributesOnSort(Query query)	Extracts List of Sort attributes names from Query
static AttributeMapping	getIndexedAttribute(FeatureTypeMapping mapping, String xpath)
static boolean	isExpressionEmpty(Expression expression)	Checks if Expression is empty or Null

Methods inherited from class Object

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

Method Details

getAttributesOnSort

public static List<String> getAttributesOnSort(Query query)

Extracts List of Sort attributes names from Query

Returns:

List of Sort attributes names

getAttributesOnFilter

public static List<String> getAttributesOnFilter(Filter filter)

Extracts List of attributes names from Filter

Returns:

List of attributes names

isExpressionEmpty

public static boolean isExpressionEmpty(Expression expression)

Checks if Expression is empty or Null

equalsProperty

public static boolean equalsProperty(AttributeMapping mapping,
 String propertyName)

Checks if property name is equals to source/identifier expression in attribute mapping

equalsXpath

public static boolean equalsXpath(FeatureTypeMapping mapping,
 AttributeMapping attMapping,
 String xpath)

Compare if mapping-xpath == attMapping

equalsPropertyExpression

public static boolean equalsPropertyExpression(Expression expression,
 String propertyName)

Compare if expression == propertyName

checkAllPropertiesIndexed

public static boolean checkAllPropertiesIndexed(List<String> properties,
 FeatureTypeMapping mapping)

Checks if all properties are indexed in mapping

buildIdInExpressionOr

public static Filter buildIdInExpressionOr(List<String> ids,
 FeatureTypeMapping mapping)

Builds an OR operator comparing Identifier with ids list

Returns:

Or Filter

buildIdInExpressionFunction

public static Filter buildIdInExpressionFunction(List<String> ids,
 FeatureTypeMapping mapping)

Builds a mapping->identifier IN (ids...) like function/clause

Returns:

Filter IN function

buildIdInExpression

public static Filter buildIdInExpression(List<String> ids,
 FeatureTypeMapping mapping)

Builds a mapping->identifier IN (ids...) like function/clause

Returns:

Filter IN function

getIndexedAttribute

public static AttributeMapping getIndexedAttribute(FeatureTypeMapping mapping,
 String xpath)