private void checkNotNull(ElementSymbol param, Object value)
throws TeiidComponentException, QueryMetadataException, QueryValidatorException {
if (metadata.elementSupports(param.getMetadataID(), SupportConstants.Element.NULL)) {
return;
}
if (metadata.isVariadic(param.getMetadataID())) {
if (value instanceof ArrayImpl) {
ArrayImpl av = (ArrayImpl) value;
for (Object o : av.getValues()) {
if (o == null) {
throw new QueryValidatorException(
QueryPlugin.Event.TEIID30164,
QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30164, param));
}
}
}
} else if (value == null) {
throw new QueryValidatorException(
QueryPlugin.Event.TEIID30164, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30164, param));
}
}
/**
* Invoke the function described in the function descriptor, using the values provided. Return the
* result of the function.
*
* @param values Values that should match 1-to-1 with the types described in the function
* descriptor
* @param context
* @param functionTarget TODO
* @param fd Function descriptor describing the name and types of the arguments
* @return Result of invoking the function
*/
public Object invokeFunction(Object[] values, CommandContext context, Object functionTarget)
throws FunctionExecutionException, BlockedException {
if (!isNullDependent()) {
for (int i = requiresContext ? 1 : 0; i < values.length; i++) {
if (values[i] == null) {
return null;
}
}
}
// If descriptor is missing invokable method, find this VM's descriptor
// give name and types from fd
if (invocationMethod == null) {
throw new FunctionExecutionException(
QueryPlugin.Event.TEIID30382,
QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30382, getFullName()));
}
// Invoke the method and return the result
try {
if (hasWrappedArgs) {
for (int i = 0; i < values.length; i++) {
Object val = values[i];
if (val != null && types[i] == DataTypeManager.DefaultDataClasses.VARBINARY) {
values[i] = ((BinaryType) val).getBytesDirect();
}
}
}
if (method.isVarArgs()) {
if (calledWithVarArgArrayParam) {
ArrayImpl av = (ArrayImpl) values[values.length - 1];
if (av != null) {
Object[] vals = av.getValues();
values[values.length - 1] = vals;
if (hasWrappedArgs
&& types[types.length - 1] == DataTypeManager.DefaultDataClasses.VARBINARY) {
vals = Arrays.copyOf(vals, vals.length);
for (int i = 0; i < vals.length; i++) {
if (vals[i] != null) {
vals[i] = ((BinaryType) vals[i]).getBytesDirect();
}
}
values[values.length - 1] = vals;
}
Class<?> arrayType = invocationMethod.getParameterTypes()[types.length - 1];
if (arrayType.getComponentType() != Object.class && vals.getClass() != arrayType) {
Object varArgs = Array.newInstance(arrayType.getComponentType(), vals.length);
for (int i = 0; i < vals.length; i++) {
Array.set(varArgs, i, vals[i]);
}
values[values.length - 1] = varArgs;
}
}
} else {
int i = invocationMethod.getParameterTypes().length;
Object[] newValues = Arrays.copyOf(values, i);
Object varArgs = null;
if (invocationMethod.getParameterTypes()[i - 1].getComponentType() != Object.class) {
int varArgCount = values.length - i + 1;
varArgs =
Array.newInstance(
invocationMethod.getParameterTypes()[i - 1].getComponentType(), varArgCount);
for (int j = 0; j < varArgCount; j++) {
Array.set(varArgs, j, values[i - 1 + j]);
}
} else {
varArgs = Arrays.copyOfRange(values, i - 1, values.length);
}
newValues[i - 1] = varArgs;
values = newValues;
}
}
Object result = invocationMethod.invoke(functionTarget, values);
if (context != null
&& getDeterministic().ordinal() <= Determinism.USER_DETERMINISTIC.ordinal()) {
context.setDeterminismLevel(getDeterministic());
}
return importValue(result, getReturnType());
} catch (ArithmeticException e) {
throw new FunctionExecutionException(
QueryPlugin.Event.TEIID30384,
e,
QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30384, getFullName()));
} catch (InvocationTargetException e) {
if (e.getTargetException() instanceof BlockedException) {
throw (BlockedException) e.getTargetException();
}
throw new FunctionExecutionException(
QueryPlugin.Event.TEIID30384,
e.getTargetException(),
QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30384, getFullName()));
} catch (IllegalAccessException e) {
throw new FunctionExecutionException(
QueryPlugin.Event.TEIID30385,
e,
QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30385, method.toString()));
} catch (TransformationException e) {
throw new FunctionExecutionException(e);
}
}
