Package org.eclipse.persistence.expressions

Examples of org.eclipse.persistence.expressions.ExpressionOperator

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     * Symfoware: CHAR_LENGTH(string_exp)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator length() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.Length);
        Vector<String> v = NonSynchronizedVector.newInstance(2);
        v.addElement("CHAR_LENGTH(");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: CHAR_LENGTH(string_exp)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator charLength() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.CharLength);
        Vector<String> v = NonSynchronizedVector.newInstance(2);
        v.addElement("CHAR_LENGTH(");
        v.addElement(")");
        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 locate() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.Locate);
        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: LOCATE(tofind IN string_exp, startpos)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator locate2() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.Locate2);
        Vector<String> v = NonSynchronizedVector.newInstance(4);
        v.addElement("POSITION(");
        v.addElement(" IN ");
        v.addElement(",");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        int[] indices = { 1, 0, 2};
        exOperator.setArgumentIndices(indices);
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: (LN(x)/LN(10))
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator logOperator() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.Log);
        Vector<String> v = NonSynchronizedVector.newInstance(2);
        v.addElement("(LN(");
        v.addElement(")/LN(10))");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(FunctionExpression.class);
        return exOperator;
    }
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     * Symfoware: TRIM(LEADING FROM string_exp)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator leftTrim() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.LeftTrim);
        Vector<String> v = NonSynchronizedVector.newInstance(2);
        v.addElement("TRIM(LEADING FROM ");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: TRIM(LEADING character FROM string_exp)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator leftTrim2() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.LeftTrim2);
        Vector<String> v = NonSynchronizedVector.newInstance(3);
        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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     * Symfoware: CASE WHEN y = 0 THEN x ELSE (x - y * TRUNC( x / y )) END
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator mod() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.Mod);
        Vector<String> v = NonSynchronizedVector.newInstance(7);
        v.addElement("(CASE WHEN ");
        v.addElement(" = 0 THEN ");
        v.addElement(" ELSE (");
        v.addElement(" - ");
        v.addElement(" * TRUNC( ");
        v.addElement(" / ");
        v.addElement(")) END)");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        int[] indices = { 1, 0, 0, 1, 0, 1};
        exOperator.setArgumentIndices(indices);
        exOperator.setNodeClass(org.eclipse.persistence.internal.expressions.FunctionExpression.class);
        return exOperator;
    }
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     * Symfoware: TRIM(TRAILING FROM string_exp)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator rightTrim() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.RightTrim);
        Vector<String> v = NonSynchronizedVector.newInstance(2);
        v.addElement("TRIM(TRAILING FROM ");
        v.addElement(")");
        exOperator.printsAs(v);
        exOperator.bePrefix();
        exOperator.setNodeClass(ClassConstants.FunctionExpression_Class);
        return exOperator;
    }
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     * Symfoware: TRIM(TRAILING character FROM string_exp)
     *
     * @return the defined expression operator.
     */
    protected static ExpressionOperator rightTrim2() {
        ExpressionOperator exOperator = new ExpressionOperator();
        exOperator.setSelector(ExpressionOperator.RightTrim2);
        Vector<String> v = NonSynchronizedVector.newInstance(3);
        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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