Class EJBQLSelectColumnsTranslator
- java.lang.Object
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- org.apache.cayenne.ejbql.EJBQLBaseVisitor
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- org.apache.cayenne.access.translator.ejbql.EJBQLSelectColumnsTranslator
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- All Implemented Interfaces:
EJBQLExpressionVisitor
public class EJBQLSelectColumnsTranslator extends EJBQLBaseVisitor
Translator of the EJBQL select clause.- Since:
- 3.0
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Field Summary
Fields Modifier and Type Field Description protected EJBQLTranslationContextcontext-
Fields inherited from class org.apache.cayenne.ejbql.EJBQLBaseVisitor
continueFlag
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Constructor Summary
Constructors Modifier Constructor Description protectedEJBQLSelectColumnsTranslator(EJBQLTranslationContext context)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidappendColumn(String javaType, String alias, DbAttribute dbAttribute, String columnAlias)booleanvisitAggregate(EJBQLExpression expression)booleanvisitDbPath(EJBQLExpression expression, int finishedChildIndex)booleanvisitIdentifier(EJBQLExpression expression)booleanvisitPath(EJBQLExpression expression, int finishedChildIndex)Called on visiting "path" expression and also after visiting every expression child.booleanvisitSelectExpression(EJBQLExpression expression)-
Methods inherited from class org.apache.cayenne.ejbql.EJBQLBaseVisitor
visitAbs, visitAbstractSchemaName, visitAdd, 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, visitIdentificationVariable, 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, visitPatternValue, visitPositionalInputParameter, visitPositionalInputParameterForIn, visitSelect, visitSelectClause, visitSelectExpressions, visitSize, visitSqrt, visitStringLiteral, visitSubselect, visitSubstring, visitSubtract, visitSum, visitTok, visitTrim, visitTrimBoth, visitTrimCharacter, visitTrimLeading, visitTrimTrailing, visitUpdate, visitUpdateField, visitUpdateItem, visitUpdateValue, visitUpper, visitWhere
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Field Detail
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context
protected EJBQLTranslationContext context
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Constructor Detail
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EJBQLSelectColumnsTranslator
protected EJBQLSelectColumnsTranslator(EJBQLTranslationContext context)
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Method Detail
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visitSelectExpression
public boolean visitSelectExpression(EJBQLExpression expression)
- Specified by:
visitSelectExpressionin interfaceEJBQLExpressionVisitor- Overrides:
visitSelectExpressionin classEJBQLBaseVisitor
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visitAggregate
public boolean visitAggregate(EJBQLExpression expression)
- Specified by:
visitAggregatein interfaceEJBQLExpressionVisitor- Overrides:
visitAggregatein classEJBQLBaseVisitor
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visitDbPath
public boolean visitDbPath(EJBQLExpression expression, int finishedChildIndex)
- Specified by:
visitDbPathin interfaceEJBQLExpressionVisitor- Overrides:
visitDbPathin classEJBQLBaseVisitor
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visitPath
public boolean visitPath(EJBQLExpression expression, int finishedChildIndex)
Description copied from interface:EJBQLExpressionVisitorCalled on visiting "path" expression and also after visiting every expression child.- Specified by:
visitPathin interfaceEJBQLExpressionVisitor- Overrides:
visitPathin classEJBQLBaseVisitor- Parameters:
expression- a "path" node being visited.finishedChildIndex- "-1" when the expression node is visited for the first time, before its children; otherwise this is an index of a child just visited.
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visitIdentifier
public boolean visitIdentifier(EJBQLExpression expression)
- Specified by:
visitIdentifierin interfaceEJBQLExpressionVisitor- Overrides:
visitIdentifierin classEJBQLBaseVisitor
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appendColumn
public void appendColumn(String javaType, String alias, DbAttribute dbAttribute, String columnAlias)
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