atg.svc.ui.formhandlers
Class KnowledgeQueryPredicateBuilder

java.lang.Object
  atg.svc.ui.formhandlers.KnowledgeQueryPredicateBuilder

Direct Known Subclasses:

KnowledgeQueryPredicateCollector

public class KnowledgeQueryPredicateBuilder
extends java.lang.Object

Analyzes solution constraints and converts them into KnowledgeQueryPredicate[] for future searches.

Version:

$Id: //application/service/version/2007.3/common-ui/src/classes/atg/svc/ui/formhandlers/KnowledgeQueryPredicateBuilder.java#2 $$Change: 632007 $

Author:

Vladimir Kovalchuk

Field Summary

protected static KnowledgeQueryAttrDescription[]	ATTRIBUTES
static java.lang.String	CLASS_VERSION Class version string
static java.lang.String	DATE_FORMAT
static java.lang.String	GREATEREQ
static java.lang.String	LESSEQ
protected static java.util.Map	OPERATORS
static java.lang.String	WITHIN

Constructor Summary

KnowledgeQueryPredicateBuilder()

Method Summary

protected static KnowledgeQueryPredicate	buildListPredicate(KnowledgeQuerySubtypeEnum pListType, java.lang.String pFieldName, KnowledgeQueryPredicateOperator pOper, java.util.List pValues, QueryService pQService)
static java.util.Set	buildPredicates(SolutionSearchFormHandler pForm) Returns a list of newly constructed query predicate beans.
protected static java.lang.Object	createPredicate(QueryService queryService, KnowledgeQueryAttrDescription attr) Factory method.
static java.lang.String	escapeString(java.lang.String source) Escapes source string.
protected static java.lang.String	firstCharToUpperCase(java.lang.String pValue)
static KnowledgeQueryPredicateOperator	getOperator(java.lang.String pOperator)
static java.util.List	parseAttributes(SearchBaseFormHandler pForm) Parses request and returns List of KnowledgeQueryAttrDescription objects.
protected static java.util.List	parseFieldValues(SearchBaseFormHandler pForm) Auxiliary method for parsing values of Solution Class-Specific Constraints.
static java.util.List	splitEscapedString(java.lang.String source) Auxiliary method for spliting escaped, ';'-delimitered strings
static java.lang.String	unescapeString(java.lang.String source)

Methods inherited from class java.lang.Object

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

Field Detail

CLASS_VERSION

public static java.lang.String CLASS_VERSION

Class version string

DATE_FORMAT

public static final java.lang.String DATE_FORMAT

See Also:

Constant Field Values

WITHIN

public static final java.lang.String WITHIN

See Also:

Constant Field Values

GREATEREQ

public static final java.lang.String GREATEREQ

See Also:

Constant Field Values

LESSEQ

public static final java.lang.String LESSEQ

See Also:

Constant Field Values

ATTRIBUTES

protected static final KnowledgeQueryAttrDescription[] ATTRIBUTES

OPERATORS

protected static final java.util.Map OPERATORS

Constructor Detail

KnowledgeQueryPredicateBuilder

public KnowledgeQueryPredicateBuilder()

Method Detail

buildPredicates

public static java.util.Set buildPredicates(SolutionSearchFormHandler pForm)
                                     throws ObjectNotFoundException,
                                            javax.ejb.CreateException

Returns a list of newly constructed query predicate beans.

Parameters:

pForm - Query builder form

Returns:

List of KnowledgeQueryPredicate

Throws:

ObjectNotFoundException

javax.ejb.CreateException

createPredicate

protected static java.lang.Object createPredicate(QueryService queryService,
                                                  KnowledgeQueryAttrDescription attr)
                                           throws ObjectNotFoundException,
                                                  javax.ejb.CreateException

Factory method. Creates Query predicate(s) using QueryService object and attribute description.

Parameters:

queryService - QueryService object.

attr - Attribute description.

Returns:

Single KnowledgeQueryPredicate object or List of KnowledgeQueryPredicate objects

Throws:

ObjectNotFoundException

javax.ejb.CreateException

getOperator

public static KnowledgeQueryPredicateOperator getOperator(java.lang.String pOperator)

buildListPredicate

protected static KnowledgeQueryPredicate buildListPredicate(KnowledgeQuerySubtypeEnum pListType,
                                                            java.lang.String pFieldName,
                                                            KnowledgeQueryPredicateOperator pOper,
                                                            java.util.List pValues,
                                                            QueryService pQService)
                                                     throws ObjectNotFoundException,
                                                            javax.ejb.CreateException

Throws:

ObjectNotFoundException

javax.ejb.CreateException

firstCharToUpperCase

protected static java.lang.String firstCharToUpperCase(java.lang.String pValue)

parseFieldValues

protected static java.util.List parseFieldValues(SearchBaseFormHandler pForm)
                                          throws ObjectNotFoundException

Auxiliary method for parsing values of Solution Class-Specific Constraints. Makes an array of strings with names, operations, values and values2 from SolutionFormHandler object.

Parameters:

pForm - SolutionFormHandler object

Returns:

Array of strings with names, operations, values and values2.

Throws:

ObjectNotFoundException

splitEscapedString

public static java.util.List splitEscapedString(java.lang.String source)

Auxiliary method for spliting escaped, ';'-delimitered strings

Parameters:

source - Source string for spliting

Returns:

Result array of strings after spliting

parseAttributes

public static java.util.List parseAttributes(SearchBaseFormHandler pForm)

Parses request and returns List of KnowledgeQueryAttrDescription objects.

Parameters:

pForm - SolutionSearchFormHandler form. Used for access to request parameters.

Returns:

List of parsed KnowledgeQueryAttrDescription objects

escapeString

public static java.lang.String escapeString(java.lang.String source)

Escapes source string. Replaces ';' and '\' characters with "\;" and "\\" sequences.

Parameters:

source - Source string

Returns:

Escaped string.

unescapeString

public static java.lang.String unescapeString(java.lang.String source)