| Commit message (Collapse) | Author | Age |
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For permissive licenses like MIT and BSD, OR EPL doesn't make sense, because the
copyright original permission notice must be retained at all times.
For code simply copied with minimal modifications that are unrelated to
Refinery, we can just use the plain MIT license or BSD-3-clause license.
For code with complex modifications related to Refinery, we can instead use the
MIT AND EPL-2.0 SPDX expression, which forces downstream users to retain the
original MIT notices as required by the MIT license, but also extends Refinery's
copyleft to our modifications.
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Also makes model seeds cancellable to reduce server load during semantic
analysis.
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Improper equality implementation of representative election literals merged weak
and strong connected components during query canonicalization.
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Adds translator for EQUALS and EXISTS symbols based on the multi-object
formalism. Only diagonal equality links are supported (e.g., distinct nodes may
not be EQUALS with each other).
Also introduces initial model seeds to separate partial interpreter construction
and graph initialization better.
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* DuplicateDnfRewriter replaces DNF with their canonical
representatives
* ClauseInputParameterResolver removes input parameters by demand set
transformation
* CompositeRewriter for rewriter stacks
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This is needed for demand set transformation of DNFs with input data parameters,
where the result of the transformation has an out data parameter that has to be
unified with the variable in the parent clause.
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Support for count and aggregation is still missing.
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Allow computing hash codes up to the renaming of variables.
Also introduces CheckLiteral instead of AssumeLiteral for more straightforward
naming.
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Enable deterministic state-space exploration by ordering activations in
lexicographic order.
This preliminary implementation adds oredering as a wrapper for ResultSet
instances, but more sophisticated support could be built directly into query
engine adapters if a query engine supports deterministic output by default.
* Implements Comparable for tuples with loops unrolled for small tuples by hand.
* Cleans up the contents of the (root of the) tools.refinery.query package.
* Adds ResultSetListener to notify clients about ResultSet changes.
* Adds OrderStatisticTree data structure for determinisitc ordering of keys.
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The filer can't return true for the default value, because tuples with default
value cannot be enumerated.
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Add the ability to create assertions without pre-processing Dnf clauses (raw
matchin mode). Also fix tests broken by Dnf pre-processing.
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* Introduce parameter directions for constraints and DNF
* Introduce variable directions for literals
* Infer and check variable directions in DNF and topologically sort literals by
their input variables
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* Separate different operators into different classes to make it easier to add
functionality (e.g., simplification) later.
* Add UpperCardinality terms.
* Move UpperCardinality aggregator and tests into refinery-store-query.
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* Remove the reflection-based machinery around adapter types.
* Adapter builders, store adapters, and model adapters are now only associated
with each other based on static and runtime types.
* Simplifies writing new adapters.
* Hierarchical syntax for adding adapter builders to the store builder.
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* Helps keeping variable scoping clear by limiting variable scopes to the body
of the corresponding lambda.
* Overloads for convenience where variables are automatically created for lambda
parameters.
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* Add NodeFunctionView for symbols that hold function-like (single
associated object for each key) relations as integer values for performance.
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Make sure we obey the REUSE (https://reuse.software) specification and the
origin, copyright owner, and license of all files are clearly marked.
The whole project is under the EPL-2.0, except for trivial files where copyright
is not applicable that are marked with the CC0-1.0 license. Moreover, code
included from third parties is also available under the respective license.
chore: add CONTRIBUTORS.md
List all authors and supporting organizations in accordance with the REUSE
specification.
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* Directly transform VIATRA tuples into Refinery tuples, since creating
the additional wrapper object doesn't save any memory.
* Adds static arity Tuple3 and Tuple4 implementations to be more
aligned with VIATRA internals and save memory for queries with up to
4 parameters.
* Makes sure no new objects are allocated (for varargs handling) when a
static arity tuple is hashed.
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* Implement data terms for computations in queries.
* Function-like queries with computed results.
* Improved query evaluation, including positive and negative diagonal
cosntraints.
* Preliminary local search support.
* Changes to the DNF representation for count and aggregation support.
feat: terms wip
feat: query terms wip
feat: query evaluation, diagonal constraints, local search wip
fix reasoning compilation wip
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Accessing VIATRA result sets through IQueryResultProvider requires a lot
of indirection, allocations, and locking.
We use reflection instead to have direct access to the underlying
Indexer instead.
Unfortunately, projection to arbitrary tuple masks (with wildcard
entries in a tuple) is completely broken in VIATRA when RETE update
propagation is delayed. While a new, ad-hoc projection indexer gets
added to the RETE net immediately, it is not populated with the
projection results until updates are flushed in the query engine.
Therefore, when encountering an ad-hoc projection for the first time,
the projection results will always be empty (thus usually out of date).
While declaring the desired projections ahead of time would be a
possible solution, for now, we completely remove ad-hoc projection
support. If projections are needed on the ModelQuery level, we should
create an API for declaring projections for each registered Dnf.
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Allows more complicated dependency hiearchies (e.g., use
store-query-viatra for testing store-partial) and better separation of
test fixtures.
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Kristóf Marussy