Examples with FunctionExecutionException org.teiid.api.exception.query.FunctionExecutionException used on opensource projects

Example 1 with FunctionExecutionException

use of org.teiid.api.exception.query.FunctionExecutionException in project teiid by teiid.

the class Evaluator method evaluateParameter.

private Object evaluateParameter(List<?> tuple, DerivedColumn passing) throws ExpressionEvaluationException, BlockedException, TeiidComponentException {
    if (passing.getExpression() instanceof Function) {
        Function f = (Function) passing.getExpression();
        // narrow optimization of json based documents to allow for lower overhead streaming
        if (f.getName().equalsIgnoreCase(SourceSystemFunctions.JSONTOXML)) {
            String rootName = (String) this.evaluate(f.getArg(0), tuple);
            Object lob = this.evaluate(f.getArg(1), tuple);
            if (rootName == null || lob == null) {
                return null;
            }
            try {
                if (lob instanceof Blob) {
                    return XMLSystemFunctions.jsonToXml(context, rootName, (Blob) lob, true);
                }
                return XMLSystemFunctions.jsonToXml(context, rootName, (Clob) lob, true);
            } catch (IOException e) {
                throw new FunctionExecutionException(QueryPlugin.Event.TEIID30384, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30384, f.getFunctionDescriptor().getName()));
            } catch (SQLException e) {
                throw new FunctionExecutionException(QueryPlugin.Event.TEIID30384, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30384, f.getFunctionDescriptor().getName()));
            } catch (TeiidProcessingException e) {
                throw new FunctionExecutionException(QueryPlugin.Event.TEIID30384, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30384, f.getFunctionDescriptor().getName()));
            }
        }
    } else if (passing.getExpression() instanceof XMLParse) {
        XMLParse xmlParse = (XMLParse) passing.getExpression();
        xmlParse.setWellFormed(true);
    }
    Object value = this.evaluate(passing.getExpression(), tuple);
    return value;
}

Example 2 with FunctionExecutionException

use of org.teiid.api.exception.query.FunctionExecutionException in project teiid by teiid.

the class Evaluator method evaluateJSONObject.

private Object evaluateJSONObject(List<?> tuple, JSONObject function, JSONBuilder builder) throws ExpressionEvaluationException, BlockedException, TeiidComponentException, FunctionExecutionException {
    List<DerivedColumn> args = function.getArgs();
    Evaluator.NameValuePair<Object>[] nameValuePairs = getNameValuePairs(tuple, args, false, false);
    boolean returnValue = false;
    try {
        if (builder == null) {
            returnValue = true;
            // preevaluate subqueries to prevent blocked exceptions
            for (SubqueryContainer<?> container : ValueIteratorProviderCollectorVisitor.getValueIteratorProviders(function)) {
                evaluateSubquery(container, tuple);
            }
            builder = new JSONBuilder(context.getBufferManager());
        }
        builder.start(false);
        for (NameValuePair<Object> nameValuePair : nameValuePairs) {
            addValue(tuple, builder, nameValuePair.name, nameValuePair.value);
        }
        builder.end(false);
        if (returnValue) {
            ClobType result = builder.close(context);
            builder = null;
            return result;
        }
        return null;
    } catch (TeiidProcessingException e) {
        throw new FunctionExecutionException(e);
    } finally {
        if (returnValue && builder != null) {
            builder.remove();
        }
    }
}

Example 3 with FunctionExecutionException

use of org.teiid.api.exception.query.FunctionExecutionException in project teiid by teiid.

the class Evaluator method evaluateXMLSerialize.

private Object evaluateXMLSerialize(List<?> tuple, XMLSerialize xs) throws ExpressionEvaluationException, BlockedException, TeiidComponentException, FunctionExecutionException {
    XMLType value = (XMLType) internalEvaluate(xs.getExpression(), tuple);
    if (value == null) {
        return null;
    }
    try {
        if (!xs.isDocument()) {
            return XMLSystemFunctions.serialize(xs, value);
        }
        if (value.getType() == Type.UNKNOWN) {
            Type type = StringToSQLXMLTransform.isXml(value.getCharacterStream());
            value.setType(type);
        }
        if (value.getType() == Type.DOCUMENT || value.getType() == Type.ELEMENT) {
            return XMLSystemFunctions.serialize(xs, value);
        }
    } catch (SQLException e) {
        throw new FunctionExecutionException(QueryPlugin.Event.TEIID30334, e);
    } catch (TransformationException e) {
        throw new FunctionExecutionException(QueryPlugin.Event.TEIID30335, e);
    }
    throw new FunctionExecutionException(QueryPlugin.Event.TEIID30336, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30336));
}

Example 4 with FunctionExecutionException

use of org.teiid.api.exception.query.FunctionExecutionException in project teiid by teiid.

the class Evaluator method evaluateXMLElement.

private Object evaluateXMLElement(List<?> tuple, XMLElement function) throws ExpressionEvaluationException, BlockedException, TeiidComponentException, FunctionExecutionException {
    List<Expression> content = function.getContent();
    List<Object> values = new ArrayList<Object>(content.size());
    for (Expression exp : content) {
        values.add(internalEvaluate(exp, tuple));
    }
    try {
        Evaluator.NameValuePair<Object>[] attributes = null;
        if (function.getAttributes() != null) {
            attributes = getNameValuePairs(tuple, function.getAttributes().getArgs(), true, true);
        }
        return XMLSystemFunctions.xmlElement(context, function.getName(), namespaces(function.getNamespaces()), attributes, values);
    } catch (TeiidProcessingException e) {
        throw new FunctionExecutionException(e);
    }
}

Example 5 with FunctionExecutionException

use of org.teiid.api.exception.query.FunctionExecutionException in project teiid by teiid.

the class TeiidScriptEngine method compile.

@Override
public CompiledScript compile(String script) throws ScriptException {
    final String[] parts = splitter.split(script);
    final int[] indexes = new int[parts.length];
    for (int i = 1; i < parts.length; i++) {
        String string = parts[i];
        for (int j = 0; j < string.length(); j++) {
            if (!Character.isJavaIdentifierPart(string.charAt(j))) {
                throw new ScriptException(QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30431, string, string.charAt(j)));
            }
        }
        try {
            indexes[i] = Integer.parseInt(string);
        } catch (NumberFormatException e) {
            indexes[i] = -1;
        }
    }
    return new CompiledScript() {

        @Override
        public ScriptEngine getEngine() {
            return TeiidScriptEngine.this;
        }

        @Override
        public Object eval(ScriptContext sc) throws ScriptException {
            if (sc == null) {
                throw new NullPointerException();
            }
            Object obj = null;
            if (parts.length > 0) {
                obj = sc.getAttribute(parts[0]);
            }
            for (int i = 1; i < parts.length; i++) {
                if (obj == null) {
                    return null;
                }
                String part = parts[i];
                Map<String, Method> methodMap = getMethodMap(obj.getClass());
                Method m = methodMap.get(part);
                if (m == null) {
                    int index = indexes[i];
                    if (index > 0) {
                        // assume it's a list/array
                        if (obj instanceof List) {
                            try {
                                obj = ((List<?>) obj).get(index - 1);
                            } catch (IndexOutOfBoundsException e) {
                                obj = null;
                            }
                            continue;
                        }
                        try {
                            obj = FunctionMethods.array_get(obj, index);
                            continue;
                        } catch (FunctionExecutionException e) {
                            throw new ScriptException(e);
                        } catch (SQLException e) {
                            throw new ScriptException(e);
                        }
                    }
                    throw new ScriptException(QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31111, part, obj.getClass()));
                }
                try {
                    obj = m.invoke(obj);
                } catch (IllegalAccessException e) {
                    throw new ScriptException(e);
                } catch (InvocationTargetException e) {
                    if (e.getCause() instanceof Exception) {
                        throw new ScriptException((Exception) e.getCause());
                    }
                    throw new ScriptException(e);
                }
            }
            return obj;
        }
    };
}