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 EJBQLBaseVisitor

continueFlag

Modifier and Type	Field	Description
protected boolean	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 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

Modifier and Type	Method	Description
boolean	visitAbs(EJBQLExpression expression, int finishedChildIndex)
boolean	visitAbstractSchemaName(EJBQLExpression expression)
boolean	visitAdd(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "add" expression and also after visiting every expression child.
boolean	visitAggregate(EJBQLExpression expression)
boolean	visitAll(EJBQLExpression expression)
boolean	visitAnd(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "and" expression and also after visiting every expression child.
boolean	visitAny(EJBQLExpression expression)
boolean	visitAscending(EJBQLExpression expression)
boolean	visitAverage(EJBQLAggregateColumn expression)
boolean	visitBetween(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "between" expression and also after visiting every expression child.
boolean	visitBooleanLiteral(EJBQLExpression expression)
boolean	visitClassName(EJBQLExpression expression)
boolean	visitConcat(EJBQLExpression expression, int finishedChildIndex)
boolean	visitConstructor(EJBQLExpression expression)
boolean	visitConstructorParameter(EJBQLExpression expression)
boolean	visitConstructorParameters(EJBQLExpression expression)
boolean	visitCount(EJBQLAggregateColumn expression)
boolean	visitCurrentDate(EJBQLExpression expression)
boolean	visitCurrentTime(EJBQLExpression expression)
boolean	visitCurrentTimestamp(EJBQLExpression expression)
boolean	visitDecimalLiteral(EJBQLDecimalLiteral expression)
boolean	visitDelete(EJBQLExpression expression)
boolean	visitDescending(EJBQLExpression expression)
boolean	visitDistinct(EJBQLExpression expression)
boolean	visitDivide(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "divide" expression and also after visiting every expression child.
boolean	visitEquals(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "equals" expression and also after visiting every expression child.
boolean	visitEscapeCharacter(EJBQLExpression expression)
boolean	visitExists(EJBQLExpression expression)
boolean	visitFrom(EJBQLExpression expression, int finishedChildIndex)
boolean	visitFromItem(EJBQLFromItem expression, int finishedChildIndex)
boolean	visitGreaterOrEqual(EJBQLExpression expression, int finishedChildIndex)	Called on visiting ">=" expression and also after visiting every expression child.
boolean	visitGreaterThan(EJBQLExpression expression, int finishedChildIndex)	Called on visiting ">=" expression and also after visiting every expression child.
boolean	visitGroupBy(EJBQLExpression expression)
boolean	visitHaving(EJBQLExpression expression)
boolean	visitIn(EJBQLExpression expression, int finishedChildIndex)
boolean	visitInnerFetchJoin(EJBQLJoin join)
boolean	visitInnerJoin(EJBQLJoin join)
boolean	visitIntegerLiteral(EJBQLIntegerLiteral expression)
boolean	visitIsEmpty(EJBQLExpression expression)
boolean	visitIsNull(EJBQLExpression expression, int finishedChildIndex)
boolean	visitLength(EJBQLExpression expression, int finishedChildIndex)
boolean	visitLessOrEqual(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "<=" expression and also after visiting every expression child.
boolean	visitLessThan(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "<" expression and also after visiting every expression child.
boolean	visitLike(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "LIKE" expression and also after visiting every expression child.
boolean	visitLocate(EJBQLExpression expression, int finishedChildIndex)
boolean	visitLower(EJBQLExpression expression, int finishedChildIndex)
boolean	visitMax(EJBQLAggregateColumn expression)
boolean	visitMemberOf(EJBQLExpression expression)
boolean	visitMin(EJBQLAggregateColumn expression)
boolean	visitMod(EJBQLExpression expression, int finishedChildIndex)
boolean	visitMultiply(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "*" expression and also after visiting every expression child.
boolean	visitNamedInputParameter(EJBQLExpression expression)
boolean	visitNamedInputParameterForIn(EJBQLExpression expression)	This method is invoked from the processing of the EJBQLIn in order to handle a query such as;
boolean	visitNegative(EJBQLExpression expression)
boolean	visitNot(EJBQLExpression expression)
boolean	visitNotEquals(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "!
boolean	visitOr(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "or" expression and also after visiting every expression child.
boolean	visitOrderBy(EJBQLExpression expression)
boolean	visitOrderByItem(EJBQLExpression expression)
boolean	visitOuterFetchJoin(EJBQLJoin join)
boolean	visitOuterJoin(EJBQLJoin join)
boolean	visitPath(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "path" expression and also after visiting every expression child.
boolean	visitPatternValue(EJBQLExpression expression)
boolean	visitPositionalInputParameter(EJBQLPositionalInputParameter expression)
boolean	visitPositionalInputParameterForIn(EJBQLPositionalInputParameter expression)	This method is invoked from the processing of the EJBQLIn in order to handle a query such as;
boolean	visitSelect(EJBQLExpression expression)
boolean	visitSelectClause(EJBQLExpression expression)
boolean	visitSelectExpression(EJBQLExpression expression)
boolean	visitSelectExpressions(EJBQLExpression expression)
boolean	visitSize(EJBQLExpression expression)
boolean	visitSqrt(EJBQLExpression expression, int finishedChildIndex)
boolean	visitStringLiteral(EJBQLExpression expression)
boolean	visitSubselect(EJBQLExpression expression)
boolean	visitSubstring(EJBQLExpression expression, int finishedChildIndex)
boolean	visitSubtract(EJBQLExpression expression, int finishedChildIndex)	Called on visiting "subtract" expression and also after visiting every expression child.
boolean	visitSum(EJBQLAggregateColumn expression)
boolean	visitTok(EJBQLExpression expression)
boolean	visitTrim(EJBQLExpression expression, int finishedChildIndex)
boolean	visitTrimBoth(EJBQLExpression expression)
boolean	visitTrimCharacter(EJBQLExpression expression)
boolean	visitTrimLeading(EJBQLExpression expression)
boolean	visitTrimTrailing(EJBQLExpression expression)
boolean	visitUpdate(EJBQLExpression expression)
boolean	visitUpdateField(EJBQLExpression expression, int finishedChildIndex)
boolean	visitUpdateItem(EJBQLExpression expression, int finishedChildIndex)
boolean	visitUpdateValue(EJBQLExpression expression)
boolean	visitUpper(EJBQLExpression expression, int finishedChildIndex)
boolean	visitWhere(EJBQLExpression expression)

Methods inherited from class 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()