void QueryProcessor::
DumpQState( QueryOutcome &qo )
{
QueryOutcome::iterator qitr;
KeySet::iterator kitr;
int elt;
printf( "\tResult:\n" );
for( qitr=qo.begin( ); qitr!=qo.end( ); qitr++ ) {
printf( "\t %d: " , qitr->first );
kitr.Initialize(qitr->second);
while( kitr.Next(elt) ) {
printf( "%d ", elt );
}
printf( "\n" );
}
}
kdb::KeySet Plugin::getNeededConfig()
{
Key neededConfigKey ("system/elektra/modules", KEY_END);
neededConfigKey.addName(pluginName);
neededConfigKey.addName("config/needs");
KeySet d (info.dup());
KeySet config = d.cut(neededConfigKey);
KeySet ret;
Key oldParent = neededConfigKey;
Key newParent("system", KEY_END);
for (KeySet::iterator i = config.begin(); i != config.end(); ++i)
{
Key k(i->dup());
ret.append(kdb::tools::helper::rebaseKey(k, oldParent, newParent));
}
return ret;
}
TEST(test_iter, const_iterator)
{
std::cout << "test const iterator" << std::endl;
const KeySet ks4 (5,
*Key ("user/key4/1", KEY_END),
*Key ("user/key4/2", KEY_END),
*Key ("user/key4/3", KEY_VALUE, "value", KEY_END),
KS_END);
KeySet::iterator it = ks4.begin();
ASSERT_EQ(it->getName() , "user/key4/1" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/1" ) << "name wrong";
it+=1;
ASSERT_EQ(it->getName() , "user/key4/2" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/2" ) << "name wrong";
it+=1;
ASSERT_EQ(it->getName() , "user/key4/3" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/3" ) << "name wrong";
it+=1;
ASSERT_EQ(it , ks4.end() ) << "not at end";
it-=1;
ASSERT_EQ(it->getName() , "user/key4/3" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/3" ) << "name wrong";
it-=1;
ASSERT_EQ(it->getName() , "user/key4/2" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/2" ) << "name wrong";
it-=1;
ASSERT_EQ(it->getName() , "user/key4/1" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/1" ) << "name wrong";
ASSERT_EQ(it , ks4.begin() ) << "not at begin";
ASSERT_EQ(it->getName() , "user/key4/1" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/1" ) << "name wrong";
it++;
ASSERT_EQ(it->getName() , "user/key4/2" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/2" ) << "name wrong";
it++;
ASSERT_EQ(it->getName() , "user/key4/3" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/3" ) << "name wrong";
it++;
ASSERT_EQ(it , ks4.end() ) << "not at end";
it--;
ASSERT_EQ(it->getName() , "user/key4/3" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/3" ) << "name wrong";
it--;
ASSERT_EQ(it->getName() , "user/key4/2" ) << "name wrong";
ASSERT_EQ((*it).getName() , "user/key4/2" ) << "name wrong";
it--;
}
bool QueryProcessor::
DoQuery( Rectangles &window, KeySet &result )
{
AllDimensions::iterator aitr;
OneDimension::iterator oitr;
Indexes::iterator iitr;
KeySet deviantExportedSet;
KeySet tmpResult;
QueryOutcome qo;
string demangled;
DimRectangleMap::iterator ditr, daxitr;
KeySet::iterator ksitr;
int tmp;
Rectangles *rec = summarize ? &summaries : rectangles;
numQueries++;
//printf( "Doing query\n" );
// Phase 0: Initialize
for( int i = 0; i <= window.rId ; i++ ) {
qo[i].MakeUniversal( );
}
// Phase 1: Process imported intervals
for( aitr=window.importedBoxes.begin( ); aitr!=window.importedBoxes.end( );
aitr++ ) {
demangled.assign( aitr->first, 2, aitr->first.size( ) - 2 );
ditr = rec->unexported.find( demangled );
for( oitr=aitr->second.begin( ); oitr!=aitr->second.end( ); oitr++ ) {
tmpResult.Clear( );
// include all rectangles whose constraints are satisfied
if( ( iitr = exported.find( aitr->first ) ) != exported.end( ) ) {
if( !iitr->second->Filter( oitr->second, tmpResult ) ) {
printf( "Failed exported index lookup\n" );
return( false );
}
}
// include deviant exported rectangles and all rectangles
// which do not constrain this attribute (if any)
if( ditr == rec->unexported.end( ) ) {
qo[oitr->first].IntersectWithUnionOf( tmpResult,
rec->deviantExported );
} else {
qo[oitr->first].IntersectWithUnionOf( tmpResult, ditr->second,
rec->deviantExported );
}
}
}
// Phase 2: Remove candidates which constrain absent attributes
for(ditr=window.unimported.begin();ditr!=window.unimported.end();ditr++) {
// find all rectangles which constrain this particular attribute
daxitr = rec->allExported.find( ditr->first );
if( daxitr == rec->allExported.end( ) ) continue;
// remove this set from the solution for each query rectangle
ksitr.Initialize( ditr->second );
while( ksitr.Next( tmp ) ) {
qo[tmp].Subtract( daxitr->second );
}
}
// Phase 3: Process exported dimensions
for( aitr=window.exportedBoxes.begin( ); aitr!=window.exportedBoxes.end( );
aitr++ ) {
// need to include rectangles which are deviant on this attribute
demangled.assign( aitr->first, 2, aitr->first.size( ) - 2 );
ditr = rec->deviantImported.find( demangled );
for( oitr=aitr->second.begin( ); oitr!=aitr->second.end( ); oitr++ ) {
tmpResult.Clear( );
// include all rectangles which satisfy this constraint
if( ( iitr = imported.find( aitr->first ) ) != imported.end( ) ) {
if( !iitr->second->Filter( oitr->second, tmpResult ) ) {
printf( "Failed imported index lookup\n" );
return( false );
}
}
// check if there are relevant deviant imported rectangles
if( ditr == rec->deviantImported.end( ) ) {
// ... if not, just intersect with filtered results
qo[oitr->first].Intersect( tmpResult );
} else {
// ... otherwise, include deviant imported rectangles
qo[oitr->first].IntersectWithUnionOf(ditr->second,tmpResult);
}
}
}
// Phase 4: Aggregate results for all query rectangles
result.Clear( );
for( int i = 0 ; i <= window.rId ; i++ ) {
result.Unify( qo[i] );
}
// done
return( true );
}
/**
* @pre name and mountpoint set
* Add plugin serialization into keyset ret.
*
* Only can be done once!
* (see firstRef in Plugin)
* */
void Backend::serialize (kdb::KeySet & ret)
{
assert (!mp.empty ());
Key backendRootKey (Backends::mountpointsPath, KEY_END);
backendRootKey.addBaseName (mp);
backendRootKey.setString ("This is a configuration for a backend, see subkeys for more information");
ret.append (backendRootKey);
if (mp == "/")
{
ret.append (*Key (backendRootKey.getName () + "/mountpoint", KEY_VALUE, "/", KEY_COMMENT,
"The mountpoint says the location where the backend should be mounted.\n"
"This is the root mountpoint.\n",
KEY_END));
}
else if (mp.at (0) == '/')
{
Key k ("system" + mp, KEY_END);
Key restrictedPath ("system/elektra", KEY_END);
if (!k) throw MountpointInvalidException ();
if (restrictedPath.isBelow (k)) throw MountpointInvalidException ();
ret.append (*Key (backendRootKey.getName () + "/mountpoint", KEY_VALUE, mp.c_str (), KEY_COMMENT,
"The mountpoint says the location where the backend should be mounted.\n"
"This is a cascading mountpoint.\n"
"That means it is both mounted to dir, user and system.",
KEY_END));
}
else
{
Key k (mp, KEY_END);
Key restrictedPath ("system/elektra", KEY_END);
if (!k) throw MountpointInvalidException ();
if (restrictedPath.isBelow (k)) throw MountpointInvalidException ();
ret.append (*Key (backendRootKey.getName () + "/mountpoint", KEY_VALUE, mp.c_str (), KEY_COMMENT,
"The mountpoint says the location where the backend should be mounted.\n"
"This is a normal mountpoint.\n",
KEY_END));
}
const string configBasePath = Backends::getBasePath (mp) + "/config";
ret.append (Key (configBasePath, KEY_END));
config.rewind ();
Key common = config.next ();
Key oldParent ("system", KEY_END);
Key newParent (configBasePath, KEY_END);
for (KeySet::iterator i = config.begin (); i != config.end (); ++i)
{
Key k (i->dup ());
ret.append (kdb::tools::helper::rebaseKey (k, oldParent, newParent));
}
errorplugins.serialise (backendRootKey, ret);
getplugins.serialise (backendRootKey, ret);
setplugins.serialise (backendRootKey, ret);
ret.append (*Key (backendRootKey.getName () + "/config/path", KEY_VALUE, configFile.c_str (), KEY_COMMENT,
"The path for this backend. Note that plugins can override that with more specific configuration.", KEY_END));
}
