org.apache.cayenne.access.jdbc

## Class EJBQLConditionTranslator

- java.lang.Object
- - org.apache.cayenne.ejbql.EJBQLBaseVisitor
  - - org.apache.cayenne.access.jdbc.EJBQLConditionTranslator

- All Implemented Interfaces:
    EJBQLExpressionVisitor

      public class EJBQLConditionTranslator
      extends EJBQLBaseVisitor

  Since:
    3.0

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected EJBQLTranslationContext` | `context`
    `protected List<EJBQLMultiColumnOperand>` | `multiColumnOperands`

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

      `continueFlag`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `EJBQLConditionTranslator(EJBQLTranslationContext context)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | `addMultiColumnOperand(EJBQLMultiColumnOperand operand)`
    `protected void` | `afterChild(EJBQLExpression e, String text, int childIndex)`
    `protected boolean` | `checkNullParameter(EJBQLExpression expression, String toAppend)` Checks expression for containing null input parameter.
    `boolean` | `visitAbs(EJBQLExpression expression, int finishedChildIndex)`
    `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` | `visitBetween(EJBQLExpression expression, int finishedChildIndex)` Called on visiting "between" expression and also after visiting every expression child.
    `boolean` | `visitBooleanLiteral(EJBQLExpression expression)`
    `boolean` | `visitConcat(EJBQLExpression expression, int finishedChildIndex)`
    `boolean` | `visitCurrentDate(EJBQLExpression expression)`
    `boolean` | `visitCurrentTime(EJBQLExpression expression)`
    `boolean` | `visitCurrentTimestamp(EJBQLExpression expression)`
    `boolean` | `visitDbPath(EJBQLExpression expression, int finishedChildIndex)`
    `boolean` | `visitDecimalLiteral(EJBQLDecimalLiteral 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` | `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` | `visitIdentificationVariable(EJBQLExpression expression)`
    `boolean` | `visitIn(EJBQLExpression expression, int finishedChildIndex)`
    `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` | `visitMemberOf(EJBQLExpression 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` | `visitNot(EJBQLExpression expression)`
    `boolean` | `visitNotEquals(EJBQLExpression expression, int finishedChildIndex)` Called on visiting "!=" expression and also after visiting every expression child.
    `boolean` | `visitOr(EJBQLExpression expression, int finishedChildIndex)` Called on visiting "or" expression and also after visiting every expression child.
    `boolean` | `visitPath(EJBQLExpression expression, int finishedChildIndex)` Called on visiting "path" expression and also after visiting every expression child.
    `boolean` | `visitPositionalInputParameter(EJBQLPositionalInputParameter 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` | `visitTrim(EJBQLExpression expression, int finishedChildIndex)`
    `boolean` | `visitTrimBoth(EJBQLExpression expression)`
    `boolean` | `visitTrimCharacter(EJBQLExpression expression)`
    `boolean` | `visitTrimLeading(EJBQLExpression expression)`
    `boolean` | `visitTrimTrailing(EJBQLExpression expression)`
    `boolean` | `visitUpper(EJBQLExpression expression, int finishedChildIndex)`

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

      `visitAbstractSchemaName, visitAscending, visitAverage, visitClassName, visitConstructor, visitConstructorParameter, visitConstructorParameters, visitCount, visitDelete, visitDescending, visitDistinct, visitFrom, visitFromItem, visitGroupBy, visitHaving, visitIdentifier, visitInnerFetchJoin, visitInnerJoin, visitMax, visitMin, visitNegative, visitOrderBy, visitOrderByItem, visitOuterFetchJoin, visitOuterJoin, visitPatternValue, visitSelect, visitSelectClause, visitSelectExpression, visitSelectExpressions, visitSum, visitTok, visitUpdate, visitUpdateField, visitUpdateItem, visitUpdateValue, visitWhere`

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### context

          protected EJBQLTranslationContext context

    - #### multiColumnOperands

          protected List<EJBQLMultiColumnOperand> multiColumnOperands

  - ### Constructor Detail

    - #### EJBQLConditionTranslator

          public EJBQLConditionTranslator(EJBQLTranslationContext context)

  - ### Method Detail

    - #### addMultiColumnOperand

          protected void addMultiColumnOperand(EJBQLMultiColumnOperand operand)

    - #### visitAggregate

          public boolean visitAggregate(EJBQLExpression expression)

      Specified by:
        `visitAggregate` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitAggregate` in class `EJBQLBaseVisitor`

    - #### visitAnd

          public boolean visitAnd(EJBQLExpression expression,
                         int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "and" expression and also after visiting every expression child.
      Specified by:
        `visitAnd` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitAnd` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "and" 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.

    - #### visitBetween

          public boolean visitBetween(EJBQLExpression expression,
                             int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "between" expression and also after visiting every expression child.
      Specified by:
        `visitBetween` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitBetween` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "between" 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.

    - #### visitExists

          public boolean visitExists(EJBQLExpression expression)

      Specified by:
        `visitExists` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitExists` in class `EJBQLBaseVisitor`

    - #### visitIsEmpty

          public boolean visitIsEmpty(EJBQLExpression expression)

      Specified by:
        `visitIsEmpty` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitIsEmpty` in class `EJBQLBaseVisitor`

    - #### visitSize

          public boolean visitSize(EJBQLExpression expression)

      Specified by:
        `visitSize` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitSize` in class `EJBQLBaseVisitor`

    - #### visitMemberOf

          public boolean visitMemberOf(EJBQLExpression expression)

      Specified by:
        `visitMemberOf` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitMemberOf` in class `EJBQLBaseVisitor`

    - #### visitAll

          public boolean visitAll(EJBQLExpression expression)

      Specified by:
        `visitAll` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitAll` in class `EJBQLBaseVisitor`

    - #### visitAny

          public boolean visitAny(EJBQLExpression expression)

      Specified by:
        `visitAny` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitAny` in class `EJBQLBaseVisitor`

    - #### visitOr

          public boolean visitOr(EJBQLExpression expression,
                        int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "or" expression and also after visiting every expression child.
      Specified by:
        `visitOr` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitOr` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "or" 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.

    - #### checkNullParameter

          protected boolean checkNullParameter(EJBQLExpression expression,
                                   String toAppend)

      Checks expression for containing null input parameter. For that, we'll append IS NULL or IS NOT NULL instead of =null or <>null
      Returns:
        whether replacement was done and there's no need for normal expression processing

    - #### visitEquals

          public boolean visitEquals(EJBQLExpression expression,
                            int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "equals" expression and also after visiting every expression child.
      Specified by:
        `visitEquals` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitEquals` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "equals" 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.

    - #### visitNamedInputParameter

          public boolean visitNamedInputParameter(EJBQLExpression expression)

      Specified by:
        `visitNamedInputParameter` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitNamedInputParameter` in class `EJBQLBaseVisitor`

    - #### visitNot

          public boolean visitNot(EJBQLExpression expression)

      Specified by:
        `visitNot` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitNot` in class `EJBQLBaseVisitor`

    - #### visitNotEquals

          public boolean visitNotEquals(EJBQLExpression expression,
                               int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "!=" expression and also after visiting every expression child.
      Specified by:
        `visitNotEquals` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitNotEquals` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "!=" 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.

    - #### visitGreaterThan

          public boolean visitGreaterThan(EJBQLExpression expression,
                                 int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting ">=" expression and also after visiting every expression child.
      Specified by:
        `visitGreaterThan` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitGreaterThan` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an ">=" 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.

    - #### visitGreaterOrEqual

          public boolean visitGreaterOrEqual(EJBQLExpression expression,
                                    int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting ">=" expression and also after visiting every expression child.
      Specified by:
        `visitGreaterOrEqual` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitGreaterOrEqual` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an ">=" 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.

    - #### visitLessOrEqual

          public boolean visitLessOrEqual(EJBQLExpression expression,
                                 int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "<=" expression and also after visiting every expression child.
      Specified by:
        `visitLessOrEqual` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitLessOrEqual` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "<=" 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.

    - #### visitLessThan

          public boolean visitLessThan(EJBQLExpression expression,
                              int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "<" expression and also after visiting every expression child.
      Specified by:
        `visitLessThan` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitLessThan` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "<" 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.

    - #### visitLike

          public boolean visitLike(EJBQLExpression expression,
                          int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "LIKE" expression and also after visiting every expression child.
      Specified by:
        `visitLike` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitLike` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "LIKE" 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.

    - #### visitIn

          public boolean visitIn(EJBQLExpression expression,
                        int finishedChildIndex)

      Specified by:
        `visitIn` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitIn` in class `EJBQLBaseVisitor`

    - #### afterChild

          protected void afterChild(EJBQLExpression e,
                        String text,
                        int childIndex)

    - #### visitIdentificationVariable

          public boolean visitIdentificationVariable(EJBQLExpression expression)

      Specified by:
        `visitIdentificationVariable` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitIdentificationVariable` in class `EJBQLBaseVisitor`

    - #### visitDbPath

          public boolean visitDbPath(EJBQLExpression expression,
                            int finishedChildIndex)

      Specified by:
        `visitDbPath` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitDbPath` in class `EJBQLBaseVisitor`

    - #### visitPath

          public boolean visitPath(EJBQLExpression expression,
                          int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "path" expression and also after visiting every expression child.
      Specified by:
        `visitPath` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitPath` in class `EJBQLBaseVisitor`
      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.

    - #### visitIntegerLiteral

          public boolean visitIntegerLiteral(EJBQLIntegerLiteral expression)

      Specified by:
        `visitIntegerLiteral` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitIntegerLiteral` in class `EJBQLBaseVisitor`

    - #### visitDecimalLiteral

          public boolean visitDecimalLiteral(EJBQLDecimalLiteral expression)

      Specified by:
        `visitDecimalLiteral` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitDecimalLiteral` in class `EJBQLBaseVisitor`

    - #### visitEscapeCharacter

          public boolean visitEscapeCharacter(EJBQLExpression expression)

      Specified by:
        `visitEscapeCharacter` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitEscapeCharacter` in class `EJBQLBaseVisitor`

    - #### visitIsNull

          public boolean visitIsNull(EJBQLExpression expression,
                            int finishedChildIndex)

      Specified by:
        `visitIsNull` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitIsNull` in class `EJBQLBaseVisitor`

    - #### visitPositionalInputParameter

          public boolean visitPositionalInputParameter(EJBQLPositionalInputParameter expression)

      Specified by:
        `visitPositionalInputParameter` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitPositionalInputParameter` in class `EJBQLBaseVisitor`

    - #### visitBooleanLiteral

          public boolean visitBooleanLiteral(EJBQLExpression expression)

      Specified by:
        `visitBooleanLiteral` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitBooleanLiteral` in class `EJBQLBaseVisitor`

    - #### visitStringLiteral

          public boolean visitStringLiteral(EJBQLExpression expression)

      Specified by:
        `visitStringLiteral` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitStringLiteral` in class `EJBQLBaseVisitor`

    - #### visitSubselect

          public boolean visitSubselect(EJBQLExpression expression)

      Specified by:
        `visitSubselect` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitSubselect` in class `EJBQLBaseVisitor`

    - #### visitAdd

          public boolean visitAdd(EJBQLExpression expression,
                         int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "add" expression and also after visiting every expression child.
      Specified by:
        `visitAdd` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitAdd` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "add" 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.

    - #### visitSubtract

          public boolean visitSubtract(EJBQLExpression expression,
                              int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "subtract" expression and also after visiting every expression child.
      Specified by:
        `visitSubtract` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitSubtract` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "subtract" 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.

    - #### visitMultiply

          public boolean visitMultiply(EJBQLExpression expression,
                              int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "*" expression and also after visiting every expression child.
      Specified by:
        `visitMultiply` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitMultiply` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "*" 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.

    - #### visitDivide

          public boolean visitDivide(EJBQLExpression expression,
                            int finishedChildIndex)

      Description copied from interface: `EJBQLExpressionVisitor`
      Called on visiting "divide" expression and also after visiting every expression child.
      Specified by:
        `visitDivide` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitDivide` in class `EJBQLBaseVisitor`
      Parameters:
        `expression` - an "divide" 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.

    - #### visitCurrentDate

          public boolean visitCurrentDate(EJBQLExpression expression)

      Specified by:
        `visitCurrentDate` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitCurrentDate` in class `EJBQLBaseVisitor`

    - #### visitCurrentTime

          public boolean visitCurrentTime(EJBQLExpression expression)

      Specified by:
        `visitCurrentTime` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitCurrentTime` in class `EJBQLBaseVisitor`

    - #### visitCurrentTimestamp

          public boolean visitCurrentTimestamp(EJBQLExpression expression)

      Specified by:
        `visitCurrentTimestamp` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitCurrentTimestamp` in class `EJBQLBaseVisitor`

    - #### visitAbs

          public boolean visitAbs(EJBQLExpression expression,
                         int finishedChildIndex)

      Specified by:
        `visitAbs` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitAbs` in class `EJBQLBaseVisitor`

    - #### visitSqrt

          public boolean visitSqrt(EJBQLExpression expression,
                          int finishedChildIndex)

      Specified by:
        `visitSqrt` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitSqrt` in class `EJBQLBaseVisitor`

    - #### visitMod

          public boolean visitMod(EJBQLExpression expression,
                         int finishedChildIndex)

      Specified by:
        `visitMod` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitMod` in class `EJBQLBaseVisitor`

    - #### visitConcat

          public boolean visitConcat(EJBQLExpression expression,
                            int finishedChildIndex)

      Specified by:
        `visitConcat` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitConcat` in class `EJBQLBaseVisitor`

    - #### visitSubstring

          public boolean visitSubstring(EJBQLExpression expression,
                               int finishedChildIndex)

      Specified by:
        `visitSubstring` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitSubstring` in class `EJBQLBaseVisitor`

    - #### visitLower

          public boolean visitLower(EJBQLExpression expression,
                           int finishedChildIndex)

      Specified by:
        `visitLower` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitLower` in class `EJBQLBaseVisitor`

    - #### visitUpper

          public boolean visitUpper(EJBQLExpression expression,
                           int finishedChildIndex)

      Specified by:
        `visitUpper` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitUpper` in class `EJBQLBaseVisitor`

    - #### visitLength

          public boolean visitLength(EJBQLExpression expression,
                            int finishedChildIndex)

      Specified by:
        `visitLength` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitLength` in class `EJBQLBaseVisitor`

    - #### visitLocate

          public boolean visitLocate(EJBQLExpression expression,
                            int finishedChildIndex)

      Specified by:
        `visitLocate` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitLocate` in class `EJBQLBaseVisitor`

    - #### visitTrim

          public boolean visitTrim(EJBQLExpression expression,
                          int finishedChildIndex)

      Specified by:
        `visitTrim` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitTrim` in class `EJBQLBaseVisitor`

    - #### visitTrimCharacter

          public boolean visitTrimCharacter(EJBQLExpression expression)

      Specified by:
        `visitTrimCharacter` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitTrimCharacter` in class `EJBQLBaseVisitor`

    - #### visitTrimLeading

          public boolean visitTrimLeading(EJBQLExpression expression)

      Specified by:
        `visitTrimLeading` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitTrimLeading` in class `EJBQLBaseVisitor`

    - #### visitTrimTrailing

          public boolean visitTrimTrailing(EJBQLExpression expression)

      Specified by:
        `visitTrimTrailing` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitTrimTrailing` in class `EJBQLBaseVisitor`

    - #### visitTrimBoth

          public boolean visitTrimBoth(EJBQLExpression expression)

      Specified by:
        `visitTrimBoth` in interface `EJBQLExpressionVisitor`
      Overrides:
        `visitTrimBoth` in class `EJBQLBaseVisitor`

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