Examples with Gen catdata.aql.exp.InstExpRaw.Gen used on opensource projects

Example 11 with Gen

use of catdata.aql.exp.InstExpRaw.Gen in project fql by CategoricalData.

the class InstExpJdbc method joinedEn.

@Override
protected void joinedEn(Connection conn, En en, String s, Schema<Ty, En, Sym, Fk, Att> sch) throws Exception {
    if (s == null) {
        if (!(boolean) op.getOrDefault(AqlOption.import_missing_is_empty)) {
            throw new RuntimeException("Missing query for entity: " + en + ". \n\nPossible options to consider: " + AqlOption.import_missing_is_empty);
        } else {
            return;
        }
    }
    Statement stmt = conn.createStatement();
    stmt.execute(s);
    ResultSet rs = stmt.getResultSet();
    ResultSetMetaData rsmd = rs.getMetaData();
    checkColumns(en, s, sch, rsmd);
    while (rs.next()) {
        Object gen = rs.getObject(idCol);
        if (gen == null) {
            stmt.close();
            rs.close();
            conn.close();
            throw new RuntimeException("Encountered a NULL generator in ID column " + idCol);
        }
        Gen g1 = toGen(en, gen.toString());
        // store strings
        ens0.get(en).add(g1);
        for (Fk fk : sch.fksFrom(en)) {
            Object rhs = rs.getObject(fk.str);
            if (rhs == null) {
                stmt.close();
                rs.close();
                conn.close();
                throw new RuntimeException("ID " + gen + " has a NULL foreign key value on " + fk);
            }
            En en2 = sch.fks.get(fk).second;
            // store strings
            Gen g2 = toGen(en2, rhs.toString());
            if (!fks0.containsKey(g1)) {
                fks0.put(g1, new Ctx<>());
            }
            fks0.get(g1).put(fk, g2);
        }
        for (Att att : sch.attsFrom(en)) {
            Object rhs = rs.getObject(att.str);
            if (!atts0.map.containsKey(g1)) {
                atts0.put(g1, new Ctx<>());
            }
            atts0.get(g1).put(att, objectToSk(sch, rhs, g1, att, tys0, extraRepr, false, nullOnErr));
        }
    }
}

Example 12 with Gen

use of catdata.aql.exp.InstExpRaw.Gen in project fql by CategoricalData.

the class InstExpJdbc method shreddedFk.

@Override
protected void shreddedFk(Connection conn, Fk fk, String s, Schema<Ty, En, Sym, Fk, Att> sch) throws Exception {
    Statement stmt = conn.createStatement();
    stmt.execute(s);
    ResultSet rs = stmt.getResultSet();
    ResultSetMetaData rsmd = rs.getMetaData();
    int columnsNumber = rsmd.getColumnCount();
    if (columnsNumber != 2) {
        stmt.close();
        rs.close();
        conn.close();
        throw new RuntimeException("Error in " + fk + ": Expected 2 columns but received " + columnsNumber);
    }
    while (rs.next()) {
        Object lhs = rs.getObject(1);
        if (lhs == null) {
            stmt.close();
            rs.close();
            conn.close();
            throw new RuntimeException("Error in " + fk + ": Encountered a NULL in column 1");
        }
        Object rhs = rs.getObject(2);
        if (rhs == null) {
            stmt.close();
            rs.close();
            conn.close();
            throw new RuntimeException("Error in " + fk + ": Encountered a NULL in column 2");
        }
        Gen g1 = toGen(sch.fks.get(fk).first, lhs.toString());
        // store strings
        Gen g2 = toGen(sch.fks.get(fk).second, rhs.toString());
        if (!fks0.containsKey(g1)) {
            fks0.put(g1, new Ctx<>());
        }
        fks0.get(g1).put(fk, g2);
    }
    stmt.close();
    rs.close();
}

Example 13 with Gen

use of catdata.aql.exp.InstExpRaw.Gen in project fql by CategoricalData.

the class InstExpJdbcQuotient method eval.

@Override
public Instance<Ty, En, Sym, Fk, Att, Gen, Sk, ID, Chc<Sk, Pair<ID, Att>>> eval(AqlEnv env) {
    Instance<Ty, En, Sym, Fk, Att, Gen, Sk, X, Y> J = I.eval(env);
    Collage<Ty, En, Sym, Fk, Att, Gen, Sk> col = new Collage<>(J.collage());
    AqlOptions strat = new AqlOptions(options, col, env.defaults);
    String toGet = jdbcString;
    String driver = clazz;
    if (clazz.trim().isEmpty()) {
        driver = (String) strat.getOrDefault(AqlOption.jdbc_default_class);
        Util.checkClass(driver);
    }
    if (jdbcString.trim().isEmpty()) {
        toGet = (String) strat.getOrDefault(AqlOption.jdbc_default_string);
    }
    Set<Pair<Term<Ty, En, Sym, Fk, Att, Gen, Sk>, Term<Ty, En, Sym, Fk, Att, Gen, Sk>>> eqs0 = new HashSet<>(J.eqs());
    try (Connection conn = DriverManager.getConnection(toGet)) {
        for (Entry<LocStr, String> q : queries.entrySet()) {
            if (!J.schema().ens.contains(new En(q.getKey().str))) {
                throw new LocException(q.getKey().loc, "Not an entity: " + q.getKey().str + ", expected one of " + J.schema().ens);
            }
            Statement stmt = conn.createStatement();
            stmt.execute(q.getValue());
            ResultSet rs = stmt.getResultSet();
            ResultSetMetaData rsmd = rs.getMetaData();
            int columnsNumber = rsmd.getColumnCount();
            if (columnsNumber != 2) {
                stmt.close();
                rs.close();
                throw new LocException(q.getKey().loc, "Expected 2 columns but received " + columnsNumber);
            }
            while (rs.next()) {
                // input instance need not be jdbc, so dont call toGen from import here
                // (Gen) ;
                Gen gen1 = new Gen(rs.getObject(1).toString());
                // (Gen) rs.getObject(2).toString();
                Gen gen2 = new Gen(rs.getObject(2).toString());
                if (gen1 == null || gen2 == null) {
                    stmt.close();
                    rs.close();
                    throw new LocException(q.getKey().loc, "Encountered a NULL generator");
                } else if (!J.gens().containsKey(gen1)) {
                    throw new LocException(q.getKey().loc, "Cannot import record linkage: " + gen1 + " is not a generator in the input instance");
                } else if (!J.gens().containsKey(gen2)) {
                    throw new LocException(q.getKey().loc, "Cannot import record linkage: " + gen2 + " is not a generator in the input instance");
                }
                Term<Ty, En, Sym, Fk, Att, Gen, Sk> l = Term.Gen(gen1);
                Term<Ty, En, Sym, Fk, Att, Gen, Sk> r = Term.Gen(gen2);
                eqs0.add(new Pair<>(l, r));
                col.eqs.add(new Eq<>(new Ctx<>(), l, r));
            }
            stmt.close();
            rs.close();
        }
    // } catch (SQLException exn) {
    // exn.printStackTrace();
    // throw new RuntimeException(/*"JDBC exception: " + */ exn /*.getMessage() */);
    } catch (Throwable thr) {
        // thr.printStackTrace();
        throw new RuntimeException(thr);
    }
    InitialAlgebra<Ty, En, Sym, Fk, Att, Gen, Sk, ID> initial0 = new InitialAlgebra<>(strat, J.schema(), col, new It(), Object::toString, Object::toString);
    return new LiteralInstance<>(J.schema(), col.gens.map, col.sks.map, eqs0, initial0.dp(), initial0, (Boolean) strat.getOrDefault(AqlOption.require_consistency), (Boolean) strat.getOrDefault(AqlOption.allow_java_eqs_unsafe));
}

Example 14 with Gen

use of catdata.aql.exp.InstExpRaw.Gen in project fql by CategoricalData.

the class InstExpQuotient method eval.

@Override
public Instance<Ty, En, Sym, Fk, Att, Gen, Sk, ID, Chc<Sk, Pair<ID, Att>>> eval(AqlEnv env) {
    Instance<Ty, En, Sym, Fk, Att, Gen, Sk, X, Y> J = I.eval(env);
    Collage<Ty, En, Sym, Fk, Att, Gen, Sk> col = new Collage<>(J.collage());
    Set<Pair<Term<Ty, En, Sym, Fk, Att, Gen, Sk>, Term<Ty, En, Sym, Fk, Att, Gen, Sk>>> eqs0 = new HashSet<>();
    for (Pair<RawTerm, RawTerm> eq : eqs) {
        try {
            Map<String, Chc<Ty, En>> ctx = Collections.emptyMap();
            Triple<Ctx<Var, Chc<Ty, En>>, Term<Ty, En, Sym, Fk, Att, Gen, Sk>, Term<Ty, En, Sym, Fk, Att, Gen, Sk>> eq0 = RawTerm.infer1x(ctx, eq.first, eq.second, null, col, "", J.schema().typeSide.js).first3();
            if (J.type(eq0.second).left) {
                throw new RuntimeException("Attempt to equate values at type in quotient: " + eq0.second + " at type " + J.type(eq0.second).l);
            }
            if (J.type(eq0.third).left) {
                throw new RuntimeException("Attempt to equate values at type in quotient: " + eq0.third + " at type " + J.type(eq0.third).l);
            }
            eqs0.add(new Pair<>(eq0.second, eq0.third));
            col.eqs.add(new Eq<>(new Ctx<>(), eq0.second, eq0.third));
        } catch (RuntimeException ex) {
            ex.printStackTrace();
            throw new LocException(find("equations", eq), "In equation " + eq.first + " = " + eq.second + ", " + ex.getMessage());
        }
    }
    AqlOptions strat = new AqlOptions(options, col, env.defaults);
    InitialAlgebra<Ty, En, Sym, Fk, Att, Gen, Sk, ID> initial = new InitialAlgebra<>(strat, J.schema(), col, new It(), Object::toString, Object::toString);
    return new LiteralInstance<>(J.schema(), col.gens.map, col.sks.map, eqs0, initial.dp(), initial, (Boolean) strat.getOrDefault(AqlOption.require_consistency), (Boolean) strat.getOrDefault(AqlOption.allow_java_eqs_unsafe));
}

Example 15 with Gen

use of catdata.aql.exp.InstExpRaw.Gen in project fql by CategoricalData.

the class InstExpRaw method eval.

@Override
public synchronized Instance<Ty, En, Sym, Fk, Att, Gen, Sk, ID, Chc<Sk, Pair<ID, Att>>> eval(AqlEnv env) {
    Schema<Ty, En, Sym, Fk, Att> sch = schema.eval(env);
    Collage<Ty, En, Sym, Fk, Att, Gen, Sk> col = new Collage<>(sch.collage());
    Set<Pair<Term<Ty, En, Sym, Fk, Att, Gen, Sk>, Term<Ty, En, Sym, Fk, Att, Gen, Sk>>> eqs0 = new HashSet<>();
    for (String k : imports) {
        @SuppressWarnings("unchecked") Instance<Ty, En, Sym, Fk, Att, Gen, Sk, ID, Chc<Sk, Pair<ID, Att>>> v = env.defs.insts.get(k);
        col.addAll(v.collage());
        eqs0.addAll(v.eqs());
    }
    for (Pair<String, String> p : gens) {
        String gen = p.first;
        String ty = p.second;
        if (col.ens.contains(new En(ty))) {
            col.gens.put(new Gen(gen), new En(ty));
        } else if (col.tys.contains(new Ty(ty))) {
            col.sks.put(new Sk(gen), new Ty(ty));
        } else {
            throw new LocException(find("generators", p), "The sort for " + gen + ", namely " + ty + ", is not declared as a type or entity");
        }
    }
    for (Pair<RawTerm, RawTerm> eq : eqs) {
        try {
            Map<String, Chc<Ty, En>> ctx = Collections.emptyMap();
            Triple<Ctx<Var, Chc<Ty, En>>, Term<Ty, En, Sym, Fk, Att, Gen, Sk>, Term<Ty, En, Sym, Fk, Att, Gen, Sk>> eq0 = RawTerm.infer1x(ctx, eq.first, eq.second, null, col, "", sch.typeSide.js).first3();
            eqs0.add(new Pair<>(eq0.second, eq0.third));
            col.eqs.add(new Eq<>(new Ctx<>(), eq0.second, eq0.third));
        } catch (RuntimeException ex) {
            ex.printStackTrace();
            throw new LocException(find("equations", eq), "In equation " + eq.first + " = " + eq.second + ", " + ex.getMessage());
        }
    }
    AqlOptions strat = new AqlOptions(options, col, env.defaults);
    boolean interpret_as_algebra = (boolean) strat.getOrDefault(AqlOption.interpret_as_algebra);
    boolean dont_check_closure = (boolean) strat.getOrDefault(AqlOption.import_dont_check_closure_unsafe);
    if (interpret_as_algebra) {
        Ctx<En, Set<Gen>> ens0x = new Ctx<>(Util.revS(col.gens.map));
        Ctx<En, Collection<Gen>> ens0 = ens0x.map(x -> (Collection<Gen>) x);
        if (!col.sks.isEmpty()) {
            throw new RuntimeException("Cannot have generating labelled nulls with import_as_theory");
        }
        Ctx<Ty, Collection<Null<?>>> tys0 = new Ctx<>();
        for (Ty ty : sch.typeSide.tys) {
            tys0.put(ty, new HashSet<>());
        }
        Ctx<Gen, Ctx<Fk, Gen>> fks0 = new Ctx<>();
        Ctx<Gen, Ctx<Att, Term<Ty, Void, Sym, Void, Void, Void, Null<?>>>> atts0 = new Ctx<>();
        for (Gen gen : col.gens.keySet()) {
            fks0.put(gen, new Ctx<>());
            atts0.put(gen, new Ctx<>());
        }
        for (Pair<Term<Ty, En, Sym, Fk, Att, Gen, Sk>, Term<Ty, En, Sym, Fk, Att, Gen, Sk>> e : eqs0) {
            Term<Ty, En, Sym, Fk, Att, Gen, Sk> lhs = e.first;
            Term<Ty, En, Sym, Fk, Att, Gen, Sk> rhs = e.second;
            if (rhs.gen != null && lhs.fk != null && lhs.arg.gen != null) {
                fks0.get(lhs.arg.gen).put(lhs.fk, rhs.gen);
            } else if (lhs.gen != null && rhs.fk != null && rhs.arg.gen != null) {
                fks0.get(rhs.arg.gen).put(rhs.fk, lhs.gen);
            } else if (rhs.obj != null && lhs.att != null && lhs.arg.gen != null) {
                atts0.get(lhs.arg.gen).put(lhs.att, Term.Obj(rhs.obj, rhs.ty));
            } else if (lhs.obj != null && rhs.att != null && rhs.arg.gen != null) {
                atts0.get(rhs.arg.gen).put(rhs.att, Term.Obj(lhs.obj, lhs.ty));
            } else {
                throw new RuntimeException("import_as_theory not compatible with equation " + lhs + " = " + rhs + "; each equation must be of the form gen.fk=gen or gen.att=javaobject");
            }
        }
        Ctx<Null<?>, Term<Ty, En, Sym, Fk, Att, Gen, Null<?>>> extraRepr = new Ctx<>();
        for (Gen gen : col.gens.keySet()) {
            for (Att att : sch.attsFrom(col.gens.get(gen))) {
                if (!atts0.get(gen).containsKey(att)) {
                    atts0.get(gen).put(att, InstExpImport.objectToSk(sch, null, gen, att, tys0, extraRepr, false, false));
                }
            }
        }
        ImportAlgebra<Ty, En, Sym, Fk, Att, Gen, Null<?>> alg = new ImportAlgebra<Ty, En, Sym, Fk, Att, Gen, Null<?>>(sch, ens0, tys0, fks0, atts0, Object::toString, Object::toString, dont_check_closure);
        return new SaturatedInstance(alg, alg, (Boolean) strat.getOrDefault(AqlOption.require_consistency), (Boolean) strat.getOrDefault(AqlOption.allow_java_eqs_unsafe), true, extraRepr);
    }
    InitialAlgebra<Ty, En, Sym, Fk, Att, Gen, Sk, ID> initial = new InitialAlgebra<>(strat, sch, col, new It(), Object::toString, Object::toString);
    return new LiteralInstance<>(sch, col.gens.map, col.sks.map, eqs0, initial.dp(), initial, (Boolean) strat.getOrDefault(AqlOption.require_consistency), (Boolean) strat.getOrDefault(AqlOption.allow_java_eqs_unsafe));
}