Examples of org.eclipse.persistence.expressions.ListExpressionOperator

Package org.eclipse.persistence.expressions

Examples of org.eclipse.persistence.expressions.ListExpressionOperator

org.eclipse.persistence.expressions.ListExpressionOperator
INTERNAL: A ListExpressionOperator is used with an ArgumentListFunctionExpression. It is capable of expanding the number of arguments it can be an operator for. It is built from a set of start strings, a repeating set of separators and a set of termination strings It typically represents a database function that has a variable list of arguments e.g. COALESCE(arg1, arg2, arg3, .... argn) In the example above "COALESCE(" is the start string, "," is the separator and ")" is the end string @see ArgumentListFunctionExpression @see Expression.coalesece() @author tware

        return ExpressionOperator.simpleTwoArgumentFunction(ExpressionOperator.Nvl, "VALUE");
    }
    
    /* see bug 316774 */
    private static final ExpressionOperator createCoalesceOperator() {
        ListExpressionOperator operator = (ListExpressionOperator) ExpressionOperator.coalesce();
        operator.setStartString("VALUE(");
        operator.setSelector(ExpressionOperator.Coalesce);
        return operator;
    }

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    /**
     * INTERNAL:
     * Print SQL
     */
    public void printSQL(ExpressionSQLPrinter printer) {
        ListExpressionOperator platformOperator = (ListExpressionOperator)getPlatformOperator(printer.getPlatform());
        platformOperator.copyTo(operator);
        operator.printCollection(getChildren(), printer);
    }

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    /**
     * INTERNAL:
     * Print SQL
     */
    public void printSQL(ExpressionSQLPrinter printer) {
        ListExpressionOperator platformOperator = (ListExpressionOperator)getPlatformOperator(printer.getPlatform());
        platformOperator.copyTo(operator);
        ((ListExpressionOperator)operator).setIsComplete(true);
        operator.printCollection(getChildren(), printer);
    }

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        return ExpressionOperator.simpleTwoArgumentFunction(ExpressionOperator.Nvl, "VALUE");
    }
    
    /* see bug 316774 */
    private static final ExpressionOperator createCoalesceOperator() {
        ListExpressionOperator operator = (ListExpressionOperator) ExpressionOperator.coalesce();
        operator.setStartString("VALUE(");
        operator.setSelector(ExpressionOperator.Coalesce);
        return operator;
    }

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    /**
     * INTERNAL:
     * Print SQL
     */
    public void printSQL(ExpressionSQLPrinter printer) {
        ListExpressionOperator platformOperator = (ListExpressionOperator)getPlatformOperator(printer.getPlatform());
        platformOperator.copyTo(operator);
        operator.printCollection(getChildren(), printer);
    }

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    /**
     * INTERNAL:
     * Print SQL
     */
    public void printSQL(ExpressionSQLPrinter printer) {
        ListExpressionOperator platformOperator = (ListExpressionOperator)getPlatformOperator(printer.getPlatform());
        platformOperator.copyTo(operator);
        ((ListExpressionOperator)operator).setIsComplete(true);
        operator.printCollection(getChildren(), printer);
    }

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        return ExpressionOperator.simpleTwoArgumentFunction(ExpressionOperator.Nvl, "VALUE");
    }


    /* see bug 316774 */
    private static final ExpressionOperator createCoalesceOperator() {
        ListExpressionOperator operator = (ListExpressionOperator) ExpressionOperator.coalesce();
        operator.setStartString("VALUE(");
        operator.setSelector(ExpressionOperator.Coalesce);
        return operator;
    }

View Full Code Here

    /**
     * INTERNAL:
     * Print SQL
     */
    public void printSQL(ExpressionSQLPrinter printer) {
        ListExpressionOperator platformOperator = (ListExpressionOperator)getPlatformOperator(printer.getPlatform());
        platformOperator.copyTo(operator);
        ((ListExpressionOperator)operator).setIsComplete(true);
        operator.printCollection(getChildren(), printer);
    }

View Full Code Here

        return ExpressionOperator.simpleTwoArgumentFunction(ExpressionOperator.Nvl, "VALUE");
    }
    
    /* see bug 316774 */
    private static final ExpressionOperator createCoalesceOperator() {
        ListExpressionOperator operator = (ListExpressionOperator) ExpressionOperator.coalesce();
        operator.setStartString("VALUE(");
        operator.setSelector(ExpressionOperator.Coalesce);
        return operator;
    }

View Full Code Here

    /**
     * INTERNAL:
     * Print SQL
     */
    public void printSQL(ExpressionSQLPrinter printer) {
        ListExpressionOperator platformOperator = (ListExpressionOperator)getPlatformOperator(printer.getPlatform());
        platformOperator.copyTo(operator);
        ((ListExpressionOperator)operator).setIsComplete(true);
        operator.printCollection(getChildren(), printer);
    }

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Related Classes of org.eclipse.persistence.expressions.ListExpressionOperator

org.eclipse.persistence.internal.expressions.ArgumentListFunctionExpression

org.eclipse.persistence.platform.database.MaxDBPlatform

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