LSSTApplications
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LSSTDataManagementBasePackage
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A Policy file in the installation directory of an LSST product, referred to using a URN. More...
#include <UrnPolicyFile.h>
Public Types | |
enum | { magicSentinel = 0xdeadbeef } |
typedef unsigned long | memId |
Type of the block's ID. More... | |
typedef memId(* | memNewCallback) (const memId cid) |
A function used to register a callback. More... | |
typedef memId(* | memCallback) (const Citizen *ptr) |
typedef std::shared_ptr< Persistable > | Ptr |
Public Member Functions | |
UrnPolicyFile (const std::string &urn, bool strictUrn=false, bool strictLoads=true) | |
Construct a new policy file reference from a URN. More... | |
virtual boost::filesystem::path | getInstallPath (const char *const productName) |
return the file path to the installation directory of a given named product. More... | |
const boost::filesystem::path & | getRepositoryPath () const |
return the full file path to the repository directory where this file will found. More... | |
virtual void | load (Policy &policy) const |
load the data from this Policy source into a Policy object. More... | |
const std::string | getPath () const |
return the file path as a string More... | |
bool | exists () const |
return true if the file exists. More... | |
virtual const std::string & | getFormatName () |
return the name of the format that the data is stored in. More... | |
const std::string & | getFormatName () const |
std::string | repr () const |
Return a string representation of a Citizen. More... | |
void | markPersistent (void) |
Mark a Citizen as persistent and not destroyed until process end. More... | |
memId | getId () const |
Return the Citizen's ID. More... | |
template<class Archive > | |
void | serialize (Archive &, unsigned int const) |
Template boost::serialization function for the base class. More... | |
virtual void | load (Policy &policy) |
load the data from this Policy source into a Policy object More... | |
Static Public Member Functions | |
static std::string | productNameFromUrn (const std::string &urn, bool strictUrn=false) |
Extract the product name from a URN. More... | |
static std::string | filePathFromUrn (const std::string &urn, bool strictUrn=false) |
Extract the local file path from a URN. More... | |
static std::string | reposFromUrn (const std::string &urn, bool strictUrn=false) |
Extract the repository name from a URN, or "" if none. More... | |
static bool | looksLikeUrn (const std::string &s, bool strict=false) |
Does s look like a URN? That is, does it start with URN_PREFIX or URN_PREFIX_ABBREV? More... | |
static boost::filesystem::path | installPathFor (const char *const productName) |
return the file path to the installation directory of a given named product. More... | |
static bool | hasBeenCorrupted () |
Check all allocated blocks for corruption. More... | |
static memId | getNextMemId () |
Return the memId of the next object to be allocated. More... | |
static int | init () |
Called once when the memory system is being initialised. More... | |
Census | |
Provide a list of current Citizens | |
static int | census (int, memId startingMemId=0) |
How many active Citizens are there? More... | |
static void | census (std::ostream &stream, memId startingMemId=0) |
Print a list of all active Citizens to stream, sorted by ID. More... | |
static const std::vector< const Citizen * > * | census () |
Return a (newly allocated) std::vector of active Citizens sorted by ID. More... | |
callbackIDs | |
Set callback Ids. The old Id is returned | |
static memId | setNewCallbackId (memId id) |
Call the NewCallback when block is allocated. More... | |
static memId | setDeleteCallbackId (memId id) |
Call the current DeleteCallback when block is deleted. More... | |
callbacks | |
Set the New/Delete callback functions; in each case the previously installed callback is returned. These callback functions return a value which is Added to the previously registered id. The default callback functions are called default{New,Delete}Callback; you may want to set a break point in these callbacks from your favourite debugger | |
static memNewCallback | setNewCallback (memNewCallback func) |
Set the NewCallback function. More... | |
static memCallback | setDeleteCallback (memCallback func) |
Set the DeleteCallback function. More... | |
static memCallback | setCorruptionCallback (memCallback func) |
Set the CorruptionCallback function. More... | |
Static Public Attributes | |
static const std::string | EXT_PAF |
static const std::string | EXT_XML |
the PAF file extension, ".paf" More... | |
static const boost::regex | SPACE_RE |
the XML file extension, ".xml" More... | |
static const boost::regex | COMMENT |
reg-exp for an empty line More... | |
static const boost::regex | CONTENTID |
reg-exp for the start of a comment More... | |
static SupportedFormats::Ptr | defaultFormats |
returns true if the given string containing a content identifier indicates that it contains dictionary data. More... | |
static const std::string | URN_PREFIX |
The prefix that a Policy URN starts with. More... | |
static const std::string | URN_PREFIX_ABBREV |
The prefix that a Policy URN starts with. More... | |
Protected Attributes | |
boost::filesystem::path | _file |
the path to the underlying policy file More... | |
SupportedFormats::Ptr | _formats |
A Policy file in the installation directory of an LSST product, referred to using a URN.
For use of URN references in PAF-formatted policy files, see Policy Authoring Format.
The syntax is urn:eupspkg:[PRODUCT_NAME][:REPOSITORY]:PATH, although "urn:eupspkg:" may optionally be abbreviated with "@". PRODUCT_NAME is the name of an LSST product (see DefaultPolicyFile for more details on LSST product installation dirs), and REPOSITORY is a subdirectory, which other references within the Policy will be relative to (see Policy for more details on repositories).
For example:
Caveat: Only supports Dictionary's "DictionaryFile" directive if the value is prefixed like a normal URN reference with "@urn:eupspkg:" or "@@".
Definition at line 68 of file UrnPolicyFile.h.
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inherited |
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inherited |
Definition at line 77 of file Persistable.h.
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inlineexplicit |
Construct a new policy file reference from a URN.
Basically, the only required element is a colon, separating the product directory from the local path.
urn | The URN of the policy file. A prefix such as "urn:eupspkg:" or "@" is optional. |
strictUrn | if true, the URN must strictly begin with "@urn:eupspkg:" or "urn:eupspkg:". |
strictLoads | if true (default), load() will throw an exception if it encounters recoverable parsing errors in the underlying file (or any of the files it references). Otherwise, the loaded Policy will be incomplete. This is identical to the strict argument to Policy's loadPolicyFiles(). |
Definition at line 85 of file UrnPolicyFile.h.
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staticinherited |
How many active Citizens are there?
startingMemId | Don't print Citizens with lower IDs |
Definition at line 238 of file Citizen.cc.
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staticinherited |
Print a list of all active Citizens to stream, sorted by ID.
stream | stream to print to |
startingMemId | Don't print Citizens with lower IDs |
Definition at line 259 of file Citizen.cc.
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staticinherited |
Return a (newly allocated) std::vector of active Citizens sorted by ID.
You are responsible for deleting it; or you can say std::unique_ptr<std::vector<Citizen const*> const> leaks(Citizen::census()); and not bother (that becomes std::unique_ptr in C++11)
Definition at line 287 of file Citizen.cc.
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inlineinherited |
return true if the file exists.
Definition at line 181 of file PolicyFile.h.
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static |
Extract the local file path from a URN.
For example,
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virtualinherited |
return the name of the format that the data is stored in.
This may cause the first few records of the source to be read. In this implementation, once the format is definitely determined, the format name is cached internally, preventing re-determination on the next call to this function.
IOError | if an error occurs while reading the first few characters of the source stream. |
Implements lsst.pex::policy::PolicySource.
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inlineinherited |
Definition at line 193 of file PolicyFile.h.
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inherited |
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virtualinherited |
return the file path to the installation directory of a given named product.
This implementation uses the implementation provided by DefaultPolicyFile::installPathFor().
lsst::pex::exception::NotFoundError | if the environement variable is not defined. |
Definition at line 51 of file DefaultPolicyFile.cc.
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staticinherited |
Return the memId of the next object to be allocated.
Definition at line 209 of file Citizen.cc.
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inlineinherited |
return the file path as a string
Definition at line 176 of file PolicyFile.h.
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inlineinherited |
return the full file path to the repository directory where this file will found.
Definition at line 107 of file DefaultPolicyFile.h.
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staticinherited |
Check all allocated blocks for corruption.
Definition at line 316 of file Citizen.cc.
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staticinherited |
Called once when the memory system is being initialised.
Definition at line 196 of file Citizen.cc.
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staticinherited |
return the file path to the installation directory of a given named product.
In this implementation, the installation directory will be taken from the value of an environment variable PRODUCTNAME_DIR where PRODUCTNAME is the given name of the product with all letters converted to upper case.
Definition at line 64 of file DefaultPolicyFile.cc.
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virtualinherited |
load the data from this Policy source into a Policy object.
This implementation will automatically de-reference any file include directives in the policy file.
policy | the policy object to load the data into |
ParserException | if an error occurs while parsing the data |
IOError | if an I/O error occurs while reading from the source stream. |
Reimplemented from lsst.pex::policy::PolicyFile.
Definition at line 93 of file DefaultPolicyFile.cc.
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inlinevirtualinherited |
load the data from this Policy source into a Policy object
policy | the policy object to load the data into |
ParserException | if an error occurs while parsing the data |
IOError | if an I/O error occurs while reading from the source stream. |
Implements lsst.pex::policy::PolicySource.
Definition at line 206 of file PolicyFile.h.
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static |
Does s
look like a URN? That is, does it start with URN_PREFIX or URN_PREFIX_ABBREV?
s | the string to be tested |
strict | if false, "@" will be accepted as a substitute for "urn:eupspkg:"; if true, urn:eupspkg must be present. |
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inherited |
Mark a Citizen as persistent and not destroyed until process end.
Definition at line 225 of file Citizen.cc.
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static |
Extract the product name from a URN.
For example,
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static |
Extract the repository name from a URN, or "" if none.
For example,
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inherited |
Return a string representation of a Citizen.
Definition at line 219 of file Citizen.cc.
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inlineinherited |
Template boost::serialization function for the base class.
Doesn't actually do anything, since there is no data associated with the base. Inline to allow expansion wherever needed.
Definition at line 87 of file Persistable.h.
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staticinherited |
Set the CorruptionCallback function.
func | function be called when block is found to be corrupted |
Definition at line 391 of file Citizen.cc.
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staticinherited |
Set the DeleteCallback function.
func | function be called when desired block is deleted |
Definition at line 381 of file Citizen.cc.
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staticinherited |
Call the current DeleteCallback when block is deleted.
id | Desired ID |
Definition at line 347 of file Citizen.cc.
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staticinherited |
Set the NewCallback function.
func | The new function to be called when a designated block is allocated |
Definition at line 371 of file Citizen.cc.
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staticinherited |
Call the NewCallback when block is allocated.
id | Desired ID |
Definition at line 337 of file Citizen.cc.
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protectedinherited |
the path to the underlying policy file
Definition at line 226 of file PolicyFile.h.
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protectedinherited |
Definition at line 142 of file PolicySource.h.
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staticinherited |
reg-exp for an empty line
Definition at line 215 of file PolicyFile.h.
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staticinherited |
reg-exp for the start of a comment
reg-exp for a Policy content identifier, "<?cfg [format] [content] ?>"
Definition at line 220 of file PolicyFile.h.
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staticinherited |
returns true if the given string containing a content identifier indicates that it contains dictionary data.
Dictionary data has a content id of "<?cfg ... dictionary ?>" (where ... indicates the format); policy data has an id of "<?cfg ... policy ?>". a default set of formats
Definition at line 135 of file PolicySource.h.
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staticinherited |
Definition at line 211 of file PolicyFile.h.
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staticinherited |
the PAF file extension, ".paf"
Definition at line 212 of file PolicyFile.h.
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staticinherited |
the XML file extension, ".xml"
Definition at line 214 of file PolicyFile.h.
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static |
The prefix that a Policy URN starts with.
May be abbreviated as "@".
Definition at line 125 of file UrnPolicyFile.h.
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static |
The prefix that a Policy URN starts with.
May be abbreviated as "@".
Definition at line 126 of file UrnPolicyFile.h.