Package org.apache.cayenne.access.translator.ejbql

Class EJBQLDbPathTranslator

java.lang.Object

org.apache.cayenne.ejbql.EJBQLBaseVisitor

org.apache.cayenne.access.translator.ejbql.EJBQLDbPathTranslator

All Implemented Interfaces:

EJBQLExpressionVisitor

public abstract class EJBQLDbPathTranslator
extends EJBQLBaseVisitor

Field Summary

Fields

Modifier and Type	Field	Description
protected DbEntity	currentEntity
protected String	idPath
protected String	joinMarker
protected String	lastAlias

Fields inherited from class org.apache.cayenne.ejbql.EJBQLBaseVisitor

continueFlag

Constructor Summary

Constructors

Constructor	Description
EJBQLDbPathTranslator(EJBQLTranslationContext context)

Method Summary

Modifier and Type	Method	Description
protected abstract void	appendMultiColumnPath(EJBQLMultiColumnOperand operand)
boolean	isUsingAliases()
protected void	processTerminatingAttribute(DbAttribute attribute)
protected void	processTerminatingRelationship(DbRelationship relationship)
protected void	resolveJoin()
void	setUsingAliases(boolean usingAliases)
boolean	visitDbPath(EJBQLExpression expression, int finishedChildIndex)
boolean	visitIdentificationVariable(EJBQLExpression expression)
boolean	visitIdentifier(EJBQLExpression expression)

Methods inherited from class org.apache.cayenne.ejbql.EJBQLBaseVisitor

visitAbs, visitAbstractSchemaName, visitAdd, visitAggregate, visitAll, visitAnd, visitAny, visitAscending, visitAverage, visitBetween, visitBooleanLiteral, visitClassName, visitConcat, visitConstructor, visitConstructorParameter, visitConstructorParameters, visitCount, visitCurrentDate, visitCurrentTime, visitCurrentTimestamp, visitDecimalLiteral, visitDelete, visitDescending, visitDistinct, visitDivide, visitEquals, visitEscapeCharacter, visitExists, visitFrom, visitFromItem, visitGreaterOrEqual, visitGreaterThan, visitGroupBy, visitHaving, visitIn, visitInnerFetchJoin, visitInnerJoin, visitIntegerLiteral, visitIsEmpty, visitIsNull, visitLength, visitLessOrEqual, visitLessThan, visitLike, visitLocate, visitLower, visitMax, visitMemberOf, visitMin, visitMod, visitMultiply, visitNamedInputParameter, visitNamedInputParameterForIn, visitNegative, visitNot, visitNotEquals, visitOr, visitOrderBy, visitOrderByItem, visitOuterFetchJoin, visitOuterJoin, visitPath, visitPatternValue, visitPositionalInputParameter, visitPositionalInputParameterForIn, visitSelect, visitSelectClause, visitSelectExpression, visitSelectExpressions, visitSize, visitSqrt, visitStringLiteral, visitSubselect, visitSubstring, visitSubtract, visitSum, visitTok, visitTrim, visitTrimBoth, visitTrimCharacter, visitTrimLeading, visitTrimTrailing, visitUpdate, visitUpdateField, visitUpdateItem, visitUpdateValue, visitUpper, visitWhere

Methods inherited from class java.lang.Object

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

Field Details

currentEntity

protected DbEntity currentEntity

lastAlias

protected String lastAlias

idPath

protected String idPath

joinMarker

protected String joinMarker

Constructor Details

EJBQLDbPathTranslator

public EJBQLDbPathTranslator(EJBQLTranslationContext context)

Method Details

appendMultiColumnPath

protected abstract void appendMultiColumnPath(EJBQLMultiColumnOperand operand)

visitDbPath

public boolean visitDbPath(EJBQLExpression expression,
 int finishedChildIndex)

Specified by:

visitDbPath in interface EJBQLExpressionVisitor

Overrides:

visitDbPath in class EJBQLBaseVisitor

visitIdentifier

public boolean visitIdentifier(EJBQLExpression expression)

Specified by:

visitIdentifier in interface EJBQLExpressionVisitor

Overrides:

visitIdentifier in class EJBQLBaseVisitor

visitIdentificationVariable

public boolean visitIdentificationVariable(EJBQLExpression expression)

Specified by:

visitIdentificationVariable in interface EJBQLExpressionVisitor

Overrides:

visitIdentificationVariable in class EJBQLBaseVisitor

processTerminatingAttribute

protected void processTerminatingAttribute(DbAttribute attribute)

processTerminatingRelationship

protected void processTerminatingRelationship(DbRelationship relationship)

isUsingAliases

public boolean isUsingAliases()

setUsingAliases

public void setUsingAliases(boolean usingAliases)

resolveJoin

protected void resolveJoin()