Class EJBQLSelectColumnsTranslator
java.lang.Object
org.apache.cayenne.ejbql.EJBQLBaseVisitor
org.apache.cayenne.access.translator.ejbql.EJBQLSelectColumnsTranslator
- 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 EJBQLTranslationContextcontextFields inherited from class org.apache.cayenne.ejbql.EJBQLBaseVisitor
continueFlag -
Constructor Summary
Constructors Modifier Constructor Description protectedEJBQLSelectColumnsTranslator(EJBQLTranslationContext context) -
Method Summary
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 Details
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context
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Constructor Details
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EJBQLSelectColumnsTranslator
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Method Details
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visitSelectExpression
- Specified by:
visitSelectExpressionin interfaceEJBQLExpressionVisitor- Overrides:
visitSelectExpressionin classEJBQLBaseVisitor
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visitAggregate
- Specified by:
visitAggregatein interfaceEJBQLExpressionVisitor- Overrides:
visitAggregatein classEJBQLBaseVisitor
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visitDbPath
- Specified by:
visitDbPathin interfaceEJBQLExpressionVisitor- Overrides:
visitDbPathin classEJBQLBaseVisitor
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visitPath
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
- 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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