/**
* Checks the existence of a resource. If the resource exists, {@code true} is returned, otherwise
* {@code false}.
*
* @param address the address of the resource to check.
* @param client the client used to execute the operation.
* @return {@code true} if the resources exists, otherwise {@code false}.
* @throws IOException if an error occurs executing the operation.
* @throws RuntimeException if the operation fails.
*/
private boolean resourceExists(final ModelNode address, final ModelControllerClient client)
throws IOException {
final Property childAddress = ServerOperations.getChildAddress(address);
final ModelNode parentAddress = ServerOperations.getParentAddress(address);
final ModelNode r =
client.execute(
ServerOperations.createOperation(ServerOperations.READ_RESOURCE, parentAddress, false));
reportFailure(r);
boolean found = false;
final String name = childAddress.getName();
if (ServerOperations.isSuccessfulOutcome(r)) {
for (ModelNode dataSource : ServerOperations.readResult(r).get(name).asList()) {
if (dataSource.asProperty().getName().equals(childAddress.getValue().asString())) {
found = true;
}
}
}
return found;
}
