Examples of org.eclipse.persistence.expressions.ExpressionOperator.bePrefix()

Package org.eclipse.persistence.expressions

Class org.eclipse.persistence.expressions.ExpressionOperator

Examples of org.eclipse.persistence.expressions.ExpressionOperator.bePrefix()

org.eclipse.persistence.expressions.ExpressionOperator.bePrefix()
ADVANCED: Tell the operator to be pretfix, i.e. its strings start printing before those of its first argument.

     * Use of this operator requires the Java spatial classes
     * @return
     */
    public static ExpressionOperator filter() {
        ExpressionOperator operator = ExpressionOperator.simpleThreeArgumentFunction(SDO_FILTER, "MDSYS.SDO_FILTER");
        operator.bePrefix();
        return operator;
    }


    /**
     * ExpressionOperator for the MDSYS.SDO_NN Spatial Operator on the Oracle Database

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     * Use of this operator requires the Java spatial classes
     * @return
     */
    public static ExpressionOperator nearestNeighbor() {
        ExpressionOperator operator = ExpressionOperator.simpleThreeArgumentFunction(SDO_NN, "MDSYS.SDO_NN");
        operator.bePrefix();
        return operator;
    }
}

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        result.setSelector(ExpressionOperator.Log);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("LOG(10, ");
        v.addElement(")");
        result.printsAs(v);
        result.bePrefix();
        result.setNodeClass(FunctionExpression.class);
        return result;


    }

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        exOperator.setSelector(ExpressionOperator.ToNumber);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("CONVERT(");
        v.addElement(", SIGNED)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }


    /**

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        exOperator.setSelector(ExpressionOperator.ToDate);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("CONVERT(");
        v.addElement(", DATETIME)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }


    /**

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        exOperator.setSelector(ExpressionOperator.ToChar);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("CONVERT(");
        v.addElement(", CHAR)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }


    /**

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        exOperator.setSelector(ExpressionOperator.DateToString);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("CONVERT(");
        v.addElement(", CHAR)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
    
    /**

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        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(5);
        v.addElement("TRIM(LEADING ");
        v.addElement(" FROM ");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        int[] indices = {1, 0};
        exOperator.setArgumentIndices(indices);
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }

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        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(5);
        v.addElement("TRIM(TRAILING ");
        v.addElement(" FROM ");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        int[] indices = {1, 0};
        exOperator.setArgumentIndices(indices);
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }

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        result.setSelector(ExpressionOperator.Log);
        Vector v = NonSynchronizedVector.newInstance(2);
        v.addElement("LOG(10,");
        v.addElement(")");
        result.printsAs(v);
        result.bePrefix();
        result.setNodeClass(FunctionExpression.class);
        return result;


    }

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