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/*
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Rev$ $Date: 2005/12/22 11:33:21 $ */
#ifndef osoa_sca_serviceruntimeexception_h
#define osoa_sca_serviceruntimeexception_h
#include "osoa/sca/export.h"
#include <ostream>
namespace osoa
{
namespace sca
{
/**
* Top level exception to represent all the exceptions that may be
* thrown by an SCA runtime implementation.
*/
class SCA_API ServiceRuntimeException
{
public:
/**
* Represents the possible severity levels for an exception.
*/
enum severity_level
{
Normal,
Warning,
Error,
Severe
};
/**
* Constructor.
* @param name Class name of the exception.
* @param sev Severity level.
* @param msg_text Detailed description of the exception.
*/
ServiceRuntimeException(
const char *name="ServiceRuntimeException",
severity_level sev=Severe,
const char* msg_text="");
ServiceRuntimeException(const ServiceRuntimeException& c);
// Destructor
virtual ~ServiceRuntimeException();
/**
* Return class name of this exception.
*/
const char* getEClassName() const;
/**
* Return severity.
*/
severity_level getSeverity() const;
/**
* Return message text associated with exception.
*/
const char* getMessageText() const;
/*
* Return file name where the exception was raised.
*/
const char* getFileName() const;
/**
* Return line number where the exception was raised.
*/
unsigned long getLineNumber() const;
/**
* Return function name where the exception was raised.
*/
const char* getFunctionName() const;
/**
* Set the exception severity.
*/
void setSeverity(severity_level sev);
/**
* Set the message text associated with exception.
*/
void setMessageText(const char* msg_text);
/**
* Set the location where the exception was raised.
* @param file Name of the file.
* @param line Line number in the file.
* @param function Name of the function.
*/
void setLocation(const char* file,
unsigned long line,
const char* function="");
/**
* Append exception details to ostream.
*/
virtual std::ostream& PrintSelf(std::ostream &os) const;
/**
* Operator to send exceptions details to a stream.
*/
SCA_API friend std::ostream& operator<< (std::ostream &os, const ServiceRuntimeException &except);
protected:
private:
/**
* Class name of the exception.
*/
char* class_name;
/**
* Severity level of the exception.
*/
severity_level severity;
/**
* Description of the exception.
*/
char* message_text; // Description of exception
/**
* Location where the exception was thrown or handled and thrown.
*/
class location
{
public:
char* file; // File name (from __FILE__)
unsigned long line; // Line number (from __LINE__)
char* function; // Function name
};
enum {num_locations=5};
/**
* Array of locations where the exception has been handled and thrown.
*/
location locations[num_locations];
/**
* The current location (index into ServiceRuntimeException#location).
*/
int location_set;
}; // End ServiceRuntimeException class definition
/**
* A remotable service is currently unavailable. It is possible that a retry
* may resolve this exception.
*/
class SCA_API ServiceUnavailableException: public ServiceRuntimeException
{
public:
ServiceUnavailableException(const char* serviceName)
: ServiceRuntimeException("ServiceUnavailableException", Warning,
serviceName)
{
}
private:
}; // End ServiceUnavailableException class definition
/**
* The target of a wire cannot be found, or the reference has not been
* configured.
*/
class SCA_API ServiceNotFoundException: public ServiceRuntimeException
{
public:
ServiceNotFoundException(const char* msg)
: ServiceRuntimeException("ServiceNotFoundException", Error,
msg)
{
}
private:
}; // End ServiceNotFoundException class definition
/**
* There is no current component (for example, if a non-SCA component
* tries to get the current ComponentContext).
*/
class SCA_API ComponentContextException: public ServiceRuntimeException
{
public:
ComponentContextException(const char* msg)
: ServiceRuntimeException("ComponentContextException", Error,
msg)
{
}
private:
}; // End ComponentContextException class definition
/**
* Unable to find the specified entry point in the module.
*/
class SCA_API EntryPointNotFoundException: public ServiceRuntimeException
{
public:
EntryPointNotFoundException(const char* msg)
: ServiceRuntimeException("EntryPointNotFoundException", Error,
msg)
{
}
private:
}; // End EntryPointNotFoundException class definition
} // End namespace sca
} // End namespace osoa
#endif // osoa_sca_serviceruntimeexception_h
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