Examples of org.springframework.expression.spel.ast.Selection

Package org.springframework.expression.spel.ast

Examples of org.springframework.expression.spel.ast.Selection

org.springframework.expression.spel.ast.Selection
Represents selection over a map or collection. For example: {1,2,3,4,5,6,7,8,9,10}.?{#isEven(#this) == 'y'} returns [2, 4, 6, 8, 10]
Basically a subset of the input data is returned based on the evaluation of the expression supplied as selection criteria. @author Andy Clement @author Mark Fisher @author Sam Brannen @since 3.0

    }
    nextToken();
    SpelNodeImpl expr = eatExpression();
    eatToken(TokenKind.RSQUARE);
    if (t.kind==TokenKind.SELECT_FIRST) {      
      constructedNodes.push(new Selection(nullSafeNavigation,Selection.FIRST,toPos(t),expr));
    } else if (t.kind==TokenKind.SELECT_LAST) {
      constructedNodes.push(new Selection(nullSafeNavigation,Selection.LAST,toPos(t),expr));
    } else {
      constructedNodes.push(new Selection(nullSafeNavigation,Selection.ALL,toPos(t),expr));
    }
    return true;
  }

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    }
    nextToken();
    SpelNodeImpl expr = eatExpression();
    eatToken(TokenKind.RSQUARE);
    if (t.kind==TokenKind.SELECT_FIRST) {      
      constructedNodes.push(new Selection(nullSafeNavigation,Selection.FIRST,toPos(t),expr));
    } else if (t.kind==TokenKind.SELECT_LAST) {
      constructedNodes.push(new Selection(nullSafeNavigation,Selection.LAST,toPos(t),expr));
    } else {
      constructedNodes.push(new Selection(nullSafeNavigation,Selection.ALL,toPos(t),expr));
    }
    return true;
  }

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    }
    nextToken();
    SpelNodeImpl expr = eatExpression();
    eatToken(TokenKind.RSQUARE);
    if (t.kind==TokenKind.SELECT_FIRST) {      
      constructedNodes.push(new Selection(nullSafeNavigation,Selection.FIRST,toPos(t),expr));
    } else if (t.kind==TokenKind.SELECT_LAST) {
      constructedNodes.push(new Selection(nullSafeNavigation,Selection.LAST,toPos(t),expr));
    } else {
      constructedNodes.push(new Selection(nullSafeNavigation,Selection.ALL,toPos(t),expr));
    }
    return true;
  }

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    if (expr == null) {
      raiseInternalException(toPos(t), SpelMessage.MISSING_SELECTION_EXPRESSION);
    }
    eatToken(TokenKind.RSQUARE);
    if (t.kind == TokenKind.SELECT_FIRST) {
      this.constructedNodes.push(new Selection(nullSafeNavigation, Selection.FIRST, toPos(t), expr));
    }
    else if (t.kind == TokenKind.SELECT_LAST) {
      this.constructedNodes.push(new Selection(nullSafeNavigation, Selection.LAST, toPos(t), expr));
    }
    else {
      this.constructedNodes.push(new Selection(nullSafeNavigation, Selection.ALL, toPos(t), expr));
    }
    return true;
  }

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Related Classes of org.springframework.expression.spel.ast.Selection

org.springframework.expression.spel.standard.InternalSpelExpressionParser

org.springframework.expression.TypedValue

java.util.HashMap

java.util.Map

org.springframework.expression.spel.SpelEvaluationException

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