Examples with FunctionParameter org.teiid.metadata.FunctionParameter used on opensource projects

Example 1 with FunctionParameter

use of org.teiid.metadata.FunctionParameter in project teiid by teiid.

the class FunctionMetadataReader method parseParameter.

private static FunctionParameter parseParameter(XMLStreamReader reader) throws XMLStreamException {
    FunctionParameter fp = new FunctionParameter();
    if (reader.getAttributeCount() > 0) {
        for (int i = 0; i < reader.getAttributeCount(); i++) {
            String attrName = reader.getAttributeLocalName(i);
            String attrValue = reader.getAttributeValue(i);
            if (Element.NAME.getLocalName().equals(attrName)) {
                fp.setName(attrValue);
            } else if (Element.DESCRIPTION.getLocalName().equals(attrName)) {
                fp.setDescription(attrValue);
            } else if (Element.TYPE.getLocalName().equals(attrName)) {
                fp.setType(attrValue);
            }
        }
    }
    while (reader.nextTag() != XMLStreamConstants.END_ELEMENT) ;
    return fp;
}

Example 2 with FunctionParameter

use of org.teiid.metadata.FunctionParameter in project teiid by teiid.

the class FunctionMetadataValidator method validateFunctionMethod.

/**
 * Determine whether a FunctionMethod is valid.  The following items are validated:
 * <UL>
 * <LI>Validate method name</LI>
 * <LI>Validate description</LI>
 * <LI>Validate category</LI>
 * <LI>Validate invocation method</LI>
 * <LI>Validate all input parameters</LI>
 * <LI>Validate output parameter</LI>
 * </UL>
 * @param method The method to validate
 * @param report The report to update during validation
 */
public static final void validateFunctionMethod(FunctionMethod method, ValidatorReport report, Map<String, Datatype> runtimeTypeMap) {
    if (method == null) {
        // $NON-NLS-1$ //$NON-NLS-2$
        updateReport(report, method, QueryPlugin.Util.getString("ERR.015.001.0052", "FunctionMethod"));
        // can't validate
        return;
    }
    try {
        // Validate attributes
        validateName(method.getName());
        validateDescription(method.getDescription());
        validateCategory(method.getCategory());
        validateInvocationMethod(method.getInvocationClass(), method.getInvocationMethod(), method.getPushdown());
        // Validate input parameters
        List<FunctionParameter> params = method.getInputParameters();
        if (params != null && !params.isEmpty()) {
            for (int i = 0; i < params.size(); i++) {
                FunctionParameter param = params.get(i);
                validateFunctionParameter(param);
                param.setPosition(i + 1);
                MetadataFactory.setDataType(param.getRuntimeType(), param, runtimeTypeMap, true);
                param.getUUID();
            }
        }
        // Validate output parameters
        validateFunctionParameter(method.getOutputParameter());
        method.getOutputParameter().setPosition(0);
        MetadataFactory.setDataType(method.getOutputParameter().getRuntimeType(), method.getOutputParameter(), runtimeTypeMap, true);
    } catch (FunctionMetadataException e) {
        updateReport(report, method, e.getMessage());
    }
}

Example 3 with FunctionParameter

use of org.teiid.metadata.FunctionParameter in project teiid by teiid.

the class SystemSource method addUuidFunction.

private void addUuidFunction() {
    FunctionMethod rand = new // $NON-NLS-1$ //$NON-NLS-2$
    FunctionMethod(// $NON-NLS-1$ //$NON-NLS-2$
    SourceSystemFunctions.UUID, // $NON-NLS-1$ //$NON-NLS-2$
    QueryPlugin.Util.getString("SystemSource.uuid_desc"), // $NON-NLS-1$ //$NON-NLS-2$
    MISCELLANEOUS, // $NON-NLS-1$ //$NON-NLS-2$
    FUNCTION_CLASS, // $NON-NLS-1$ //$NON-NLS-2$
    "uuid", new FunctionParameter[] {}, // $NON-NLS-1$ //$NON-NLS-2$
    new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.uuid_result_desc")));
    rand.setDeterminism(Determinism.NONDETERMINISTIC);
    functions.add(rand);
}

Example 4 with FunctionParameter

use of org.teiid.metadata.FunctionParameter in project teiid by teiid.

the class SystemSource method addCommandPayloadFunctions.

private void addCommandPayloadFunctions() {
    functions.add(new // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    FunctionMethod(// $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    "commandpayload", // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    QueryPlugin.Util.getString("SystemSource.CommandPayload_desc0"), // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    MISCELLANEOUS, // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    PushDown.CANNOT_PUSHDOWN, // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    FUNCTION_CLASS, // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    "commandPayload", null, new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.CommandPayload_result")), true, // $NON-NLS-1$ //$NON-NLS-2$
    Determinism.COMMAND_DETERMINISTIC));
    functions.add(new // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    FunctionMethod(// $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    "commandpayload", // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    QueryPlugin.Util.getString("SystemSource.CommandPayload_desc1"), // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    MISCELLANEOUS, // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    PushDown.CANNOT_PUSHDOWN, // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    FUNCTION_CLASS, // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    "commandPayload", Arrays.asList(// $NON-NLS-1$ //$NON-NLS-2$
    new FunctionParameter("property", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.CommandPayload_property"))), new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.CommandPayload_result")), true, // $NON-NLS-1$ //$NON-NLS-2$
    Determinism.COMMAND_DETERMINISTIC));
}

Example 5 with FunctionParameter

use of org.teiid.metadata.FunctionParameter in project teiid by teiid.

the class SystemSource method addAtan2Function.

private void addAtan2Function(String name, String description) {
    functions.add(new FunctionMethod(name, description, NUMERIC, FUNCTION_CLASS, name, new FunctionParameter[] { // $NON-NLS-1$ //$NON-NLS-2$
    new FunctionParameter("number1", DataTypeManager.DefaultDataTypes.DOUBLE, QueryPlugin.Util.getString("SystemSource.Atan_arg1")), // $NON-NLS-1$ //$NON-NLS-2$
    new FunctionParameter("number2", DataTypeManager.DefaultDataTypes.DOUBLE, QueryPlugin.Util.getString("SystemSource.Atan_arg2")) }, // $NON-NLS-1$
    new FunctionParameter("result", DataTypeManager.DefaultDataTypes.DOUBLE, description)));
    functions.add(new FunctionMethod(name, description, NUMERIC, FUNCTION_CLASS, name, new FunctionParameter[] { // $NON-NLS-1$ //$NON-NLS-2$
    new FunctionParameter("number1", DataTypeManager.DefaultDataTypes.BIG_DECIMAL, QueryPlugin.Util.getString("SystemSource.Atan_arg1")), // $NON-NLS-1$ //$NON-NLS-2$
    new FunctionParameter("number2", DataTypeManager.DefaultDataTypes.BIG_DECIMAL, QueryPlugin.Util.getString("SystemSource.Atan_arg2")) }, // $NON-NLS-1$
    new FunctionParameter("result", DataTypeManager.DefaultDataTypes.DOUBLE, description)));
}