Package org.eclipse.persistence.expressions

Examples of org.eclipse.persistence.expressions.ExpressionOperator

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     * Symfoware: CAST(string_exp AS SMALLINT)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator toNumber() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.ToNumber);
        Vector<String> v = NonSynchronizedVector.newInstance(2);
        v.addElement("CAST(");
        v.addElement(" AS SMALLINT)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: POSITION(tofind In string_exp)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator instring() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.Instring);
        Vector<String> v = NonSynchronizedVector.newInstance(3);
        v.addElement("POSITION(");
        v.addElement(" IN ");
        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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     * Symfoware: SPAN_DATE(Date, Date, 'MONTH')
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator monthsBetween() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.MonthsBetween);
        Vector<String> v = NonSynchronizedVector.newInstance(3);
        v.addElement("SPAN_DATE(");
        v.addElement(" , ");
        v.addElement(",'MONTH')");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: ROUND_DATE(Date, rounded)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator roundDate() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.RoundDate);
        Vector<String> v = NonSynchronizedVector.newInstance(3);
        v.addElement("ROUND_DATE(");
        v.addElement(" , ");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: CNV_DATE(Date, 'YYYY-MM-DD')
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator toDate() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.ToDate);
        Vector<String> v = NonSynchronizedVector.newInstance(2);
        v.addElement("CNV_DATE(");
        v.addElement(", 'YYYY-MM-DD')");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: ADD_DATE(date, number, unit)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator addDate() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.AddDate);
        Vector<String> v = NonSynchronizedVector.newInstance(4);
        v.addElement("ADD_DATE(");
        v.addElement(", ");
        v.addElement(", '");
        v.addElement("')");
        exOperator.printsAs(v);
        exOperator.bePrefix();

        int[] indices = new int[3];
        indices[0] = 0;
        indices[1] = 2;
        indices[2] = 1;
        exOperator.setArgumentIndices(indices);
        return exOperator;
    }
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     * Symfoware: TRUNC_DATE(date, unit)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator truncateDate() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.TruncateDate);
        Vector<String> v = NonSynchronizedVector.newInstance(3);
        v.addElement("TRUNC_DATE(");
        v.addElement(",");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: CASE WHEN x >= y THEN x ELSE y END
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator greatest() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.Greatest);
        Vector<String> v = NonSynchronizedVector.newInstance(5);
        v.addElement("(CASE WHEN ");
        v.addElement(" >= ");
        v.addElement(" THEN ");
        v.addElement(" ELSE ");
        v.addElement(" END)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        int[] indices = {0, 1, 0, 1};
        exOperator.setArgumentIndices(indices);
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: CASE WHEN x <= y THEN x ELSE y END
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator least() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setType(ExpressionOperator.FunctionOperator);
        exOperator.setSelector(ExpressionOperator.Least);
        Vector<String> v = NonSynchronizedVector.newInstance(5);
        v.addElement("(CASE WHEN ");
        v.addElement(" <= ");
        v.addElement(" THEN ");
        v.addElement(" ELSE ");
        v.addElement(" END)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        int[] indices = {0, 1, 0, 1};
        exOperator.setArgumentIndices(indices);
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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    /**
     * TimesTen uses the Oracle where clause style outer join.
     */
    protected ExpressionOperator operatorOuterJoin() {
        ExpressionOperator result = new ExpressionOperator();
        result.setSelector(ExpressionOperator.EqualOuterJoin);
        Vector v = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(2);
        v.addElement(" (+) = ");
        result.printsAs(v);
        result.bePostfix();
        result.setNodeClass(RelationExpression.class);
        return result;
    }
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  • 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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