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// **********************************************************************
//
// Copyright (c) 2003-2010 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICE_GRID_UTIL_H
#define ICE_GRID_UTIL_H
#include <IceGrid/Descriptor.h>
#include <IceUtil/StringUtil.h>
#include <IceGrid/Exception.h>
#include <IceUtil/Random.h>
#include <functional>
#include <iterator>
namespace IceGrid
{
struct RandomNumberGenerator : public std::unary_function<ptrdiff_t, ptrdiff_t>
{
ptrdiff_t operator()(ptrdiff_t d)
{
return IceUtilInternal::random(static_cast<int>(d));
}
};
template<typename T> std::insert_iterator<T>
inline set_inserter(T& container)
{
return std::insert_iterator<T>(container, container.begin());
}
std::string toString(const std::vector<std::string>&, const std::string& = std::string(" "));
std::string toString(const Ice::Exception&);
std::string getProperty(const PropertyDescriptorSeq&, const std::string&, const std::string& = std::string());
bool hasProperty(const PropertyDescriptorSeq&, const std::string&);
PropertyDescriptor createProperty(const std::string&, const std::string& = std::string());
std::string escapeProperty(const std::string&, bool = false);
void setupThreadPool(const Ice::PropertiesPtr&, const std::string&, int, int = 0, bool = false);
int getMMVersion(const std::string&);
template<class Function>
struct ForEachCommunicator : std::unary_function<CommunicatorDescriptorPtr&, void>
{
ForEachCommunicator(Function f) : _function(f)
{
}
void
operator()(const ServiceInstanceDescriptor& descriptor)
{
assert(descriptor.descriptor);
operator()(descriptor.descriptor);
}
void
operator()(const CommunicatorDescriptorPtr& descriptor)
{
_function(descriptor);
IceBoxDescriptorPtr iceBox = IceBoxDescriptorPtr::dynamicCast(descriptor);
if(iceBox)
{
for_each(iceBox->services.begin(), iceBox->services.end(), forEachCommunicator(_function));
}
}
Function _function;
};
template<typename Function> ForEachCommunicator<Function>
inline forEachCommunicator(Function function)
{
return ForEachCommunicator<Function>(function);
}
template<class T, class A>
struct ObjFunc : std::unary_function<A, void>
{
T& _obj;
typedef void (T::*MemberFN)(A);
MemberFN _mfn;
public:
explicit ObjFunc(T& obj, void (T::*f)(A)) : _obj(obj), _mfn(f) { }
void operator()(A arg) const
{
(_obj.*_mfn)(arg);
}
};
template<class T, class A> ObjFunc<T, A>
inline objFunc(T& obj, void (T::*p)(A))
{
return ObjFunc<T, A>(obj, p);
}
template <class T> std::vector<std::string>
inline getMatchingKeys(const T& m, const std::string& expression)
{
std::vector<std::string> keys;
for(typename T::const_iterator p = m.begin(); p != m.end(); ++p)
{
if(expression.empty() || IceUtilInternal::match(p->first, expression, true))
{
keys.push_back(p->first);
}
}
return keys;
}
};
#endif
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