Package org.eclipse.persistence.expressions

Examples of org.eclipse.persistence.expressions.ExpressionOperator

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    /**
     * INTERNAL:
     * Use CONVERT function for toNumber.
     */
    public static ExpressionOperator toNumberOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.ToNumber);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("CONVERT(");
        v.addElement(",DECIMAL)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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    /**
     * INTERNAL:
     * Use TRIM(FROM ?) function for trim.
     */
    public static ExpressionOperator trimOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.Trim);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement("TRIM(FROM ");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * INTERNAL:
     * Build HSQL equivalent to RTRIM(string_exp, character).
     * HSQL: TRIM(TRAILING character FROM string_exp)
     */
    protected ExpressionOperator rightTrim2() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.RightTrim2);
        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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     * ExpressionOperator for the MDSYS.SDO_WITHIN_DISTANCE Spatial Operator on the Oracle Database
     * Use of this operator requires the Java spatial classes
     * @return
     */
    public static ExpressionOperator withinDistance() {
        ExpressionOperator operator = ExpressionOperator.simpleThreeArgumentFunction(SDO_WITHIN_DISTANCE, "MDSYS.SDO_WITHIN_DISTANCE");
        operator.bePrefix();
        return operator;
    }
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     * ExpressionOperator for the MDSYS.MDSYS.SDO_RELATE Spatial Operator on the Oracle Database
     * Use of this operator requires the Java spatial classes
     * @return
     */
    public static ExpressionOperator relate() {
        ExpressionOperator operator = ExpressionOperator.simpleThreeArgumentFunction(SDO_RELATE, "MDSYS.SDO_RELATE");
        operator.bePrefix();
        return operator;
    }
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     * ExpressionOperator for the MDSYS.SDO_FILTER Spatial Operator on the Oracle Database
     * 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;
    }
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     * ExpressionOperator for the MDSYS.SDO_NN Spatial Operator on the Oracle Database
     * 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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    /**
     * INTERNAL:
     * Create the 10 based log operator for this platform.
     */
    protected ExpressionOperator logOperator() {
        ExpressionOperator result = new ExpressionOperator();
        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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    /**
     * INTERNAL:
     * Build MySQL equivalent to TO_NUMBER.
     */
    protected ExpressionOperator toNumberOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        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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    /**
     * INTERNAL:
     * Build MySQL equivalent to TO_DATE.
     */
    protected ExpressionOperator toDateOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        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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Related Classes of org.eclipse.persistence.expressions.ExpressionOperator

  • org.eclipse.persistence.expressions.spatial.SpatialExpressionFactory
  • org.eclipse.persistence.internal.expressions.SpatialExpressionOperators
  • org.eclipse.persistence.internal.security.PrivilegedNewInstanceFromClass
  • org.eclipse.persistence.internal.sessions.factories.ObjectPersistenceRuntimeXMLProject
  • org.eclipse.persistence.platform.database.DerbyPlatform
  • org.eclipse.persistence.platform.database.FirebirdPlatform
  • org.eclipse.persistence.platform.database.H2Platform
  • org.eclipse.persistence.platform.database.HANAPlatform
  • org.eclipse.persistence.platform.database.HSQLPlatform
  • org.eclipse.persistence.platform.database.Informix11Platform
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