Examples with Ctx catdata.Ctx used on opensource projects

Example 1 with Ctx

use of catdata.Ctx in project fql by CategoricalData.

the class SchExpRaw method eval.

// TODO: aql printing of contexts broken when conitain choices
@SuppressWarnings("unused")
@Override
public synchronized Schema<Ty, En, Sym, Fk, Att> eval(AqlEnv env) {
    TypeSide<Ty, Sym> ts = typeSide.eval(env);
    Collage<Ty, En, Sym, Fk, Att, Void, Void> col = new Collage<>(ts.collage());
    Set<Triple<Pair<Var, En>, Term<Ty, En, Sym, Fk, Att, Void, Void>, Term<Ty, En, Sym, Fk, Att, Void, Void>>> eqs0 = new HashSet<>();
    for (String k : imports) {
        @SuppressWarnings("unchecked") Schema<Ty, En, Sym, Fk, Att> v = env.defs.schs.get(k);
        col.addAll(v.collage());
        eqs0.addAll(v.eqs);
    }
    col.ens.addAll(ens.stream().map(x -> new En(x)).collect(Collectors.toList()));
    col.fks.putAll(conv1(fks));
    col.atts.putAll(conv2(atts));
    for (Quad<String, String, RawTerm, RawTerm> eq : t_eqs) {
        try {
            Map<String, Chc<Ty, En>> ctx = Util.singMap(eq.first, eq.second == null ? null : Chc.inRight(new En(eq.second)));
            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.third, eq.fourth, null, col.convert(), "", ts.js).first3();
            Chc<Ty, En> v = eq0.first.get(new Var(eq.first));
            if (v.left) {
                throw new RuntimeException(eq.first + " has type " + v.l + " which is not an entity");
            }
            En t = v.r;
            eqs0.add(new Triple<>(new Pair<>(new Var(eq.first), t), eq0.second.convert(), eq0.third.convert()));
        } catch (RuntimeException ex) {
            ex.printStackTrace();
            throw new LocException(find("obs equations", eq), "In equation " + eq.third + " = " + eq.fourth + ", " + ex.getMessage());
        }
    }
    for (Pair<List<String>, List<String>> eq : p_eqs) {
        try {
            String vv = "v";
            Var var = new Var(vv);
            Map<String, Chc<Ty, En>> ctx = Util.singMap(vv, null);
            RawTerm lhs = RawTerm.fold(col.fks.keySet(), col.ens, eq.first, vv);
            RawTerm rhs = RawTerm.fold(col.fks.keySet(), col.ens, eq.second, vv);
            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, lhs, rhs, null, col.convert(), "", ts.js).first3();
            Chc<Ty, En> v = eq0.first.get(var);
            if (v.left) {
                throw new RuntimeException("the equation's source " + eq.first + " is type " + v.l + " which is not an entity");
            }
            En t = v.r;
            if (eq0.first.size() != 1) {
                throw new RuntimeException("java constants cannot be used ");
            }
            eqs0.add(new Triple<>(new Pair<>(var, t), eq0.second.convert(), eq0.third.convert()));
        } catch (RuntimeException ex) {
            ex.printStackTrace();
            throw new LocException(find("path equations", eq), "In equation " + Util.sep(eq.first, ".") + " = " + Util.sep(eq.second, ".") + ", " + ex.getMessage());
        }
    }
    for (Triple<Pair<Var, En>, Term<Ty, En, Sym, Fk, Att, Void, Void>, Term<Ty, En, Sym, Fk, Att, Void, Void>> eq : eqs0) {
        col.eqs.add(new Eq<>(new Ctx<>(eq.first).inRight(), eq.second, eq.third));
    }
    AqlOptions strat = new AqlOptions(options, col, env.defaults);
    AqlOptions s = new AqlOptions(Util.singMap(AqlOption.prover.toString(), ProverName.fail.toString()), col, env.defaults);
    // forces type checking before prover construction
    new Schema<>(ts, col.ens, col.atts.map, col.fks.map, eqs0, AqlProver.create(s, col, ts.js), false);
    Schema<Ty, En, Sym, Fk, Att> ret = new Schema<>(ts, col.ens, col.atts.map, col.fks.map, eqs0, AqlProver.create(strat, col, ts.js), !((Boolean) strat.getOrDefault(AqlOption.allow_java_eqs_unsafe)));
    return ret;
}

Example 2 with Ctx

use of catdata.Ctx in project fql by CategoricalData.

the class QueryExpRaw method eval.

@Override
public Query<Ty, En, Sym, Fk, Att, En, Fk, Att> eval(AqlEnv env) {
    Schema<Ty, En, Sym, Fk, Att> src0 = src.eval(env);
    Schema<Ty, En, Sym, Fk, Att> dst0 = dst.eval(env);
    Ctx<En, Triple<Ctx<Var, En>, Collection<Eq<Ty, En, Sym, Fk, Att, Var, Var>>, AqlOptions>> ens0 = new Ctx<>();
    Ctx<Att, Term<Ty, En, Sym, Fk, Att, Var, Var>> atts0 = new Ctx<>();
    Ctx<Fk, Pair<Ctx<Var, Term<Void, En, Void, Fk, Void, Var, Void>>, Boolean>> fks0 = new Ctx<>();
    Ctx<Var, Ty> xxx = new Ctx<>();
    Ctx<Var, Term<Ty, Void, Sym, Void, Void, Void, Void>> yyy = new Ctx<>();
    for (String k : imports) {
        @SuppressWarnings("unchecked") Query<Ty, En, Sym, Fk, Att, En, Fk, Att> v = env.defs.qs.get(k);
        for (Var var : v.params.keySet()) {
            // allow benign collisions
            xxx.map.put(var, v.params.get(var));
        }
        for (Var var : v.consts.keySet()) {
            yyy.map.put(var, v.consts.get(var));
        }
        for (En En : v.ens.keySet()) {
            ens0.put(En, new Triple<>(v.ens.get(En).gens, v.ens.get(En).eqs, v.ens.get(En).options));
        }
        for (Att Att : v.atts.keySet()) {
            atts0.put(Att, v.atts.get(Att));
        }
        for (Fk Fk : v.fks.keySet()) {
            fks0.put(Fk, new Pair<>(v.fks.get(Fk).gens(), v.doNotValidate.get(Fk)));
        }
    }
    Ctx<En, Collage<Ty, En, Sym, Fk, Att, Var, Var>> cols = new Ctx<>();
    for (Block p : blocks) {
        try {
            if (!dst0.ens.contains(p.en)) {
                throw new RuntimeException("the proposed target entity " + p.en + " does not actually appear in the target schema");
            }
            processBlock(options, env, src0, ens0, cols, p, params);
        } catch (RuntimeException ex) {
            ex.printStackTrace();
            throw new LocException(b1.get(p.en), "In block for target entity " + p.en + ", " + ex.getMessage());
        }
        for (Pair<catdata.aql.exp.SchExpRaw.Att, RawTerm> pp : p.atts) {
            try {
                processAtt(src0, dst0, ens0, atts0, cols, pp, params);
            } catch (Exception ex) {
                ex.printStackTrace();
                throw new LocException(b3.get(pp.first), "In return clause for " + pp.first + ", " + ex.getMessage());
            }
        }
    }
    // two loops bc need stuff in en to do this part
    for (Block p : blocks) {
        for (Pair<catdata.aql.exp.SchExpRaw.Fk, Trans> pp : p.fks) {
            try {
                Ctx<Var, Term<Void, En, Void, Fk, Void, Var, Void>> trans = new Ctx<>();
                for (Pair<Var, RawTerm> v : pp.second.gens) {
                    Ctx<String, Chc<Ty, En>> ctx = unVar(ens0.get(dst0.fks.get(pp.first).first).first.inRight());
                    Collage<Ty, En, Sym, Fk, Att, Var, Var> col = cols.get(dst0.fks.get(pp.first).first);
                    Chc<Ty, En> required = Chc.inRight(ens0.get(dst0.fks.get(pp.first).second).first.get(v.first));
                    Term<catdata.aql.exp.TyExpRaw.Ty, catdata.aql.exp.SchExpRaw.En, catdata.aql.exp.TyExpRaw.Sym, catdata.aql.exp.SchExpRaw.Fk, catdata.aql.exp.SchExpRaw.Att, Gen, Sk> term = RawTerm.infer1x(ctx.map, v.second, null, required, col.convert(), "in foreign key " + pp.first.str + ", ", src0.typeSide.js).second;
                    trans.put(v.first, freeze(term.convert(), params).convert());
                }
                boolean doNotCheckEqs = (Boolean) new AqlOptions(pp.second.options, null, env.defaults).getOrDefault(AqlOption.dont_validate_unsafe);
                fks0.put(pp.first, new Pair<>(trans, doNotCheckEqs));
            } catch (RuntimeException ex) {
                ex.printStackTrace();
                throw new LocException(b2.get(pp.first), ex.getMessage());
            }
        }
    }
    boolean doNotCheckEqs = (Boolean) new AqlOptions(options, null, env.defaults).getOrDefault(AqlOption.dont_validate_unsafe);
    boolean elimRed = (Boolean) new AqlOptions(options, null, env.defaults).getOrDefault(AqlOption.query_remove_redundancy);
    for (String s : params.keySet()) {
        xxx.put(new Var(s), new Ty(params.get(s)));
    }
    for (String s : consts.keySet()) {
        Chc<Ty, En> required = Chc.inLeft(xxx.get(new Var(s)));
        Term<catdata.aql.exp.TyExpRaw.Ty, catdata.aql.exp.SchExpRaw.En, catdata.aql.exp.TyExpRaw.Sym, catdata.aql.exp.SchExpRaw.Fk, catdata.aql.exp.SchExpRaw.Att, Gen, Sk> term = RawTerm.infer1x(new HashMap<>(), consts.get(s), null, required, src0.collage().convert(), "", src0.typeSide.js).second;
        yyy.put(new Var(s), term.convert());
    }
    return Query.makeQuery2(xxx, yyy, ens0, atts0, fks0, src0, dst0, doNotCheckEqs, elimRed);
}

Example 3 with Ctx

use of catdata.Ctx in project fql by CategoricalData.

the class ColimSchExpModify method eval.

// TODO aql add options
@Override
public ColimitSchema<N> eval(AqlEnv env) {
    boolean checkJava = !(Boolean) env.defaults.getOrDefault(options, AqlOption.allow_java_eqs_unsafe);
    ColimitSchema<N> colim0 = colim.eval(env);
    // colim0.schemaStr.co
    for (Pair<String, String> k : ens) {
        colim0 = colim0.renameEntity(new En(k.first), new En(k.second), checkJava);
    }
    for (Pair<Pair<String, String>, String> k : fks0) {
        colim0 = colim0.renameFk(new Fk(new En(k.first.first), k.first.second), new Fk(new En(k.first.first), k.second), checkJava);
    }
    for (Pair<Pair<String, String>, String> k : atts0) {
        colim0 = colim0.renameAtt(new Att(new En(k.first.first), k.first.second), new Att(new En(k.first.first), k.second), checkJava);
    }
    for (Pair<Pair<String, String>, List<String>> k : fks) {
        if (!colim0.schemaStr.fks.containsKey(new Fk(new En(k.first.first), k.first.second))) {
            throw new RuntimeException("Not an fk: " + k.first + " in\n\n" + colim0.schemaStr);
        }
        String pre = "In processing " + k.first + " -> " + k.second + ", ";
        Collage<Ty, En, Sym, Fk, Att, Void, Void> xxx = colim0.schemaStr.collage();
        RawTerm term = RawTerm.fold(k.second, "v");
        En tr = colim0.schemaStr.fks.get(new Fk(new En(k.first.first), k.first.second)).second;
        Ctx<String, Chc<Ty, En>> ctx = new Ctx<>("v", Chc.inRight(new En(k.first.first)));
        Term<Ty, En, Sym, Fk, Att, Gen, Sk> t = RawTerm.infer1x(ctx.map, term, null, Chc.inRight(tr), xxx.convert(), pre, colim0.schemaStr.typeSide.js).second;
        // colim0 = colim0.removeAtt(new Att(k.first), new Var(k.second.first), t.convert(), checkJava);
        colim0 = colim0.removeFk(new Fk(new En(k.first.first), k.first.second), t.toFkList(), checkJava);
    }
    for (Pair<Pair<String, String>, Triple<String, String, RawTerm>> k : atts) {
        if (!colim0.schemaStr.atts.containsKey(new Att(new En(k.first.first), k.first.second))) {
            throw new RuntimeException("Not an attribute: " + k.first + " in\n\n" + colim0.schemaStr);
        }
        String pre = "In processing " + k.first + " -> lambda " + k.second.first + "." + k.second.third + ", ";
        Pair<En, Ty> r = colim0.schemaStr.atts.get(new Att(new En(k.first.first), k.first.second));
        if (k.second.second != null && !k.second.second.equals(r.first)) {
            throw new RuntimeException(pre + " given type is " + k.second.second + " but expected " + r.first);
        }
        Collage<Ty, En, Sym, Fk, Att, Void, Void> xxx = colim0.schemaStr.collage();
        Ctx<String, Chc<Ty, En>> ctx = new Ctx<>(k.second.first, Chc.inRight(r.first));
        Term<Ty, En, Sym, Fk, Att, Gen, Sk> t = RawTerm.infer1x(ctx.map, k.second.third, null, Chc.inLeft(r.second), xxx.convert(), pre, colim0.schemaStr.typeSide.js).second;
        colim0 = colim0.removeAtt(new Att(new En(k.first.first), k.first.second), new Var(k.second.first), t.convert(), checkJava);
    }
    return colim0;
}

Example 4 with Ctx

use of catdata.Ctx in project fql by CategoricalData.

the class InstExpCsvQuotient 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);
    Set<Pair<Term<Ty, En, Sym, Fk, Att, Gen, Sk>, Term<Ty, En, Sym, Fk, Att, Gen, Sk>>> eqs0 = new HashSet<>(J.eqs());
    Map<String, String> map = new HashMap<>();
    for (String q : queries) {
        map.put(q, q);
    }
    try {
        Map<En, List<String[]>> ret = InstExpCsv.start2(map, strat, J.schema(), true);
        for (En q : ret.keySet()) {
            for (String[] row : ret.get(q)) {
                if (row.length != 2) {
                    throw new RuntimeException("On " + q + ", encountered a row of length != 2: " + Arrays.toString(row));
                }
                Gen gen1 = (Gen) row[0];
                Gen gen2 = (Gen) row[1];
                if (gen1 == null) {
                    throw new RuntimeException("Encountered a NULL generator in column 1 of " + q);
                }
                if (gen2 == null) {
                    throw new RuntimeException("Encountered a NULL generator in column 2 of " + q);
                }
                if (!J.gens().containsKey(gen1)) {
                    throw new RuntimeException("Cannot import record linkage: " + gen1 + " is not a generator in the input instance");
                } else if (!J.gens().containsKey(gen2)) {
                    throw new RuntimeException("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));
            }
        }
        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));
    } catch (Exception ex) {
        throw new RuntimeException(ex.getMessage());
    }
}

Example 5 with Ctx

use of catdata.Ctx in project fql by CategoricalData.

the class InstExpCsv method joinedEn.

@Override
protected void joinedEn(Map<En, List<String[]>> rows, En en0, Pair<List<Pair<String, String>>, List<Pair<String, String>>> s, Schema<Ty, En, Sym, Fk, Att> sch) throws Exception {
    String en = en0.str;
    Map<String, String> inner;
    if (s == null) {
        inner = new HashMap<>();
    } else {
        inner = Util.toMapSafely(s.second);
    }
    boolean autoGenIds = (Boolean) op.getOrDefault(inner, AqlOption.csv_generate_ids);
    for (En en2 : rows.keySet()) {
        if (rows.get(en2).size() == 0) {
            throw new RuntimeException("No header in CSV file for " + en2);
        }
    }
    // index of each column name
    Ctx<String, Integer> m = new Ctx<>();
    for (int i = 0; i < rows.get(en0).get(0).length; i++) {
        m.put(rows.get(en0).get(0)[i], i);
    }
    boolean prepend = (boolean) op.getOrDefault(inner, AqlOption.csv_prepend_entity);
    String sep = (String) op.getOrDefault(inner, AqlOption.import_col_seperator);
    String pre = (String) op.getOrDefault(inner, AqlOption.csv_import_prefix);
    // System.out.println("prefix is " + pre);
    Map<String, String> map;
    if (s != null) {
        map = new Ctx<>(Util.toMapSafely(s.first)).map;
    } else {
        map = new HashMap<>();
    }
    Function<String, String> mediate = x -> {
        if (map.containsKey(x)) {
            return map.get(x);
        }
        String z = map.containsKey(x) ? map.get(x) : x;
        if (prepend) {
            int i = x.indexOf(en + sep);
            if (i != 0) {
                return pre + z;
            }
            String temp = x.substring((en + sep).length());
            return pre + temp;
        }
        return pre + z;
    };
    int startId = 0;
    for (String[] row : rows.get(en0).subList(1, rows.get(en0).size())) {
        Gen l0;
        String idCol = map.containsKey(en) ? map.get(en) : (String) op.getOrDefault(inner, AqlOption.id_column_name);
        if (autoGenIds && !m.containsKey(idCol)) {
            l0 = toGen(en0, "" + startId++);
        } else if (!autoGenIds && !m.containsKey(idCol)) {
            throw new RuntimeException("On " + en + ", ID column " + idCol + " not found in headers " + m.keySet() + ". \n\nPossible solution: provide a mapping.\n\nPossible solution: set csv_generate_ids=true to auto-generate IDs.\n\nPossible solution: rename the headers in the CSV file.\n\nPossible solution: add an ID column to the CSV file.");
        } else {
            l0 = toGen(en0, row[m.get(idCol)]);
        }
        ens0.get(en0).add(l0);
        for (Fk fk : sch.fksFrom(en0)) {
            if (!fks0.containsKey(l0)) {
                fks0.put(l0, new Ctx<>());
            }
            Gen g = toGen(sch.fks.get(fk).second, row[m.get(mediate.apply(fk.str))]);
            fks0.get(l0).put(fk, g);
        }
        for (Att att : sch.attsFrom(en0)) {
            if (!atts0.containsKey(l0)) {
                atts0.put(l0, new Ctx<>());
            }
            String zz = mediate.apply(att.str);
            if (!m.containsKey(zz)) {
                throw new RuntimeException("No column " + att + " in file for " + en + " nor explicit mapping for " + att + " given. Tried " + zz + " and options are " + m.keySet());
            }
            int z = m.get(zz);
            if (z >= row.length) {
                throw new RuntimeException("Cannot get index " + z + " from " + Arrays.toString(row));
            }
            String o = row[z];
            Term<Ty, Void, Sym, Void, Void, Void, Null<?>> r = objectToSk(sch, o, l0, att, tys0, extraRepr, true, nullOnErr);
            atts0.get(l0).put(att, r);
        }
    }
}