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79 Commits

Author SHA1 Message Date
Fedor Isakov d26b7197fd Fix a bug in new matching algorithm that prevented correct matching of ref-ed metalogicals with terms. 2018-08-19 17:32:59 +02:00
Fedor Isakov faaa9f12d6 Cleanup reactor code, drop obsolete code: 
old matching algorithm implementation,
store occurrences indexing,
propagation history.
 2018-08-04 16:10:35 +02:00
Fedor Isakov d8c2310f98 Deprecate primary symbols in handler. All usages are safe to be dropped. 2018-08-04 16:10:35 +02:00
Fedor Isakov 74402a8a1c New rule matching algorithm 2018-08-03 11:48:23 +02:00
Fedor Isakov 11d87c7846 Minor performance tweaks. 2017-11-03 12:09:43 +01:00
Fedor Isakov c05dad493c Reimplement unification algorithm in Kotlin using jtrove lib. Add dependency on trove4. 2017-10-30 18:22:02 +01:00
Fedor Isakov bfd6010b7d Fix a bug in rule matching preventing good matches to be reported. Tests. 2017-10-06 12:09:57 +02:00
Fedor Isakov e72585aa65 Refactoring Matcher, MatchTrie. Trying to optimize calls to lookupAuxOccurrences() by reusing the previous searches. 2017-07-15 13:36:01 +02:00
Fedor Isakov 0dcf1ecd81 Rename API interfaces for better readability. 2017-06-05 13:37:56 +02:00
Fedor Isakov a23c0db226 Integrate unification into the Core module. Remove the unification lib and all its stuff. 2017-06-02 11:19:36 +02:00
Fedor Isakov c5c198cf8b Refactoring in the reactor API: move invocation/occurrence factory methods to evaluation session, enable access to logical context from an invocation. 2017-03-27 19:01:07 +02:00
Fedor Isakov cae150819f Introduce StoreView as a parameter to launching evaluation session. Minor code refactoring/extracting. 2017-01-10 20:19:59 +01:00
Fedor Isakov c68d9a0bd7 Refactoring the reactor API. Extract StoreView. Get rid of obsolete calls to SessionSolver, cleanup the interface. Introduce AbstractSolver. Move instantiation arguments to solver/program. Cleaning up the code. 2017-01-05 17:34:53 +01:00
Fedor Isakov ebfe680aae Refactoring the reactor API. Extract StoreView, get rid of obsolete calls to SessionSolver. Cleaning up the code. 2017-01-04 10:47:23 +01:00
Fedor Isakov 0771504044 Refactoring the reactor API, cleaning up the code. 2017-01-03 12:11:31 +01:00
Fedor Isakov 466c015263 Handlers to have multiple primary constraints. RuleIndex to select handlers with matching primary symbol, if a handler has one. Only "accept-all" handlers process non-primary constraints. 2016-12-28 12:54:19 +01:00
Fedor Isakov 26f12f187d Refactor the evaluation controller to have handlers. RuleIndex to select handlers with matching primary symbol first, then the "accept-all" handlers. Tests. 2016-12-23 16:50:31 +01:00
Fedor Isakov 49a6ee0bd0 New naming convention for test helper classes (prefix Mock-). 2016-12-22 15:56:23 +01:00
Fedor Isakov e6c7ee74f5 Renaming implementation classes to clean up the namespace. 2016-12-22 12:27:34 +01:00
Fedor Isakov b891f0fa47 Optimizing the aux lookup of constraints by moving the constraint symbol to the top of the search term. 2016-12-14 17:07:58 +01:00
Fedor Isakov b02f3d727b Fix infinite loop on cyclic terms. Detect term cycles while walking on put/remove/retrieve. 2016-12-06 16:58:15 +01:00
Fedor Isakov 7fe7662873 Fix the failing match if case of the wrong constraints order. Test. 2016-11-23 15:55:45 +01:00
Fedor Isakov b4e9d45f7e Enforce the constraint transparency contract on bound logicals: treat the value as the constraint argument. Remove misbehaving test. 2016-10-13 11:07:27 +02:00
Fedor Isakov 60cd075bf3 Specifying occurrence arguments to patternPredicates. 
Correctly wrapping/unwrapping of arguments when matching rules.
Optimizing MatchTrie: process related occurrences first to avoid quadratic complexity.
 2016-06-26 18:19:30 +02:00
Fedor Isakov 61ef4ff4af Refactor the way logical's parent update are handled in the occurrence store, fix the broken update leading to corrupted store. 
Ensure constraint occurrences are alive before reactivating.
 2016-06-16 11:48:06 +02:00
Fedor Isakov ed2ff61ec4 Reimplemented TermTrie using discrimination trees. 2016-06-06 16:18:49 +02:00
Fedor Isakov 57a76ad43c Fix memory leak 2016-06-02 12:20:00 +02:00
Fedor Isakov 8185605e99 Optimizing term trie and rules index. Using bitset to mark value tokens incidental with nodes in the "term superposition" of term trie. 2016-06-02 11:03:19 +02:00
Fedor Isakov 0f7ffd9141 Support for triggering arbitrary predicates on an occurrence match with a head's rule. 
Properly handling constraint pattern/occurrence match with values/variables on either side using modal unificaiton.
 2016-05-27 20:55:31 +02:00
Fedor Isakov 1652eacfe3 Integrating TermTrie in the occurrence store. 2016-05-22 17:09:02 +02:00
Fedor Isakov e9969b08b7 Integrating TermTrie in the rules index, tests. 2016-05-22 15:44:35 +02:00
Fedor Isakov 82d5763039 TermTrie: maintaining the order of the values. 2016-05-19 20:31:05 +02:00
Fedor Isakov b42f005c7e TermTrie: supporting term variables. 2016-05-19 16:39:52 +02:00
Fedor Isakov a44366921b TermTrie: building an index of rules/occurrences from term values. Term variables not yet supported. 2016-05-18 15:44:56 +02:00
Fedor Isakov 79e920c546 Refactoring utility classes to a separate package 2016-05-10 10:09:18 +02:00
Fedor Isakov b54673b5a8 Matcher optimizations: get rid of sequence and flatMap, re-implement iterating over MatchTrie using primitives, ensure no exponential search is necessary. 2016-05-10 10:04:32 +02:00
Fedor Isakov 43e9b35e1e Some more minor optimizations in the match processing. Minor code refactorings. 2016-04-24 17:53:49 +02:00
Fedor Isakov 2d46cd9542 Rewritten Matcher to not rely on Sequence and flatMap, instead using MatchTrie. OccurrenceIndex interface made clear. Some minor code optimizations. 2016-04-21 20:49:06 +02:00
Fedor Isakov d0bf94fc91 Support body alternation in Handler. Adopt the changes in the API. 2016-04-15 13:59:23 +02:00
Fedor Isakov e55108030b Avoid dependency of Handler onto Solver. Access solver via the evaluation session. 2016-04-07 11:40:50 +02:00
Fedor Isakov a1a17426b7 Extract PropagationHistory. Code refactoring and cleanup in preparation to switching to persistent OccurrenceStore and Handler. 2016-04-06 13:23:04 +02:00
Fedor Isakov 8c103ddbd1 Integrate changes in the API imported from the Logic project. Change the code accordingly. 2016-03-16 16:26:25 +01:00
Fedor Isakov 6089f8c5ff Optimize selection of rules to try based on the values in the constraint arguments 2016-03-09 15:14:51 +01:00
Fedor Isakov ec6ce31cc2 Propagation history feature, tests. Minor refactorings. 2016-03-07 15:23:57 +01:00
Fedor Isakov 63bb7f578d Ensure the null value is never exposed when merging variable (ground-free) 2016-03-03 16:42:09 +01:00
Fedor Isakov 701a434d69 Reactivate occurrences on union of var arguments. Tests. 2016-03-03 12:58:53 +01:00
Fedor Isakov 619337151f Updated API sources from the latest version of Logic. Adapted to the new API. LogicalPattern -> MetaLogical. Renamed all *pattern entities. RuleBuilder for tests. 2016-01-29 14:41:57 +01:00
Fedor Isakov 322485c046 Index occurrences by value. 
Lookup of occurrences in the store is forced to match value OR logical (probably need both).
 2016-01-25 18:00:18 +01:00
Fedor Isakov ed76bdae73 Optimizing looking up constraint occurrences to complete a match. 
Parent observer for logicals, maintaining the logical-to-occurrence index in occurrence store.
Some code refactoring.
 2016-01-24 20:45:46 +01:00
Fedor Isakov b8aa435eb4 Introduced Profiler to track bottlenecks. Some obvious optimizations. Refactoring for cleaner code. 2016-01-21 11:44:52 +01:00