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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.query.dnf;
import tools.refinery.store.query.InvalidQueryException;
import tools.refinery.store.query.dnf.callback.*;
import tools.refinery.store.query.literal.Literal;
import tools.refinery.store.query.term.*;
import java.util.*;
@SuppressWarnings("UnusedReturnValue")
public final class DnfBuilder {
private final String name;
private final Set<Variable> parameterVariables = new LinkedHashSet<>();
private final List<SymbolicParameter> parameters = new ArrayList<>();
private final List<FunctionalDependency<Variable>> functionalDependencies = new ArrayList<>();
private final List<List<Literal>> clauses = new ArrayList<>();
DnfBuilder(String name) {
this.name = name;
}
public NodeVariable parameter() {
return parameter((String) null);
}
public NodeVariable parameter(String name) {
return parameter(name, ParameterDirection.OUT);
}
public NodeVariable parameter(ParameterDirection direction) {
return parameter((String) null, direction);
}
public NodeVariable parameter(String name, ParameterDirection direction) {
var variable = Variable.of(name);
parameter(variable, direction);
return variable;
}
public <T> DataVariable<T> parameter(Class<T> type) {
return parameter(null, type);
}
public <T> DataVariable<T> parameter(String name, Class<T> type) {
return parameter(name, type, ParameterDirection.OUT);
}
public <T> DataVariable<T> parameter(Class<T> type, ParameterDirection direction) {
return parameter(null, type, direction);
}
public <T> DataVariable<T> parameter(String name, Class<T> type, ParameterDirection direction) {
var variable = Variable.of(name, type);
parameter(variable, direction);
return variable;
}
public Variable parameter(Parameter parameter) {
return parameter(null, parameter);
}
public Variable parameter(String name, Parameter parameter) {
var type = parameter.tryGetType();
if (type.isPresent()) {
return parameter(name, type.get(), parameter.getDirection());
}
return parameter(name, parameter.getDirection());
}
public DnfBuilder parameter(Variable variable) {
return parameter(variable, ParameterDirection.OUT);
}
public DnfBuilder parameter(Variable variable, ParameterDirection direction) {
return symbolicParameter(new SymbolicParameter(variable, direction));
}
public DnfBuilder parameters(Variable... variables) {
return parameters(List.of(variables));
}
public DnfBuilder parameters(Collection<? extends Variable> variables) {
return parameters(variables, ParameterDirection.OUT);
}
public DnfBuilder parameters(Collection<? extends Variable> variables, ParameterDirection direction) {
for (var variable : variables) {
parameter(variable, direction);
}
return this;
}
public DnfBuilder symbolicParameter(SymbolicParameter symbolicParameter) {
var variable = symbolicParameter.getVariable();
if (!parameterVariables.add(variable)) {
throw new InvalidQueryException("Variable %s is already on the parameter list %s"
.formatted(variable, parameters));
}
parameters.add(symbolicParameter);
return this;
}
public DnfBuilder symbolicParameters(SymbolicParameter... symbolicParameters) {
return symbolicParameters(List.of(symbolicParameters));
}
public DnfBuilder symbolicParameters(Collection<SymbolicParameter> symbolicParameters) {
for (var symbolicParameter : symbolicParameters) {
symbolicParameter(symbolicParameter);
}
return this;
}
public DnfBuilder functionalDependencies(Collection<FunctionalDependency<Variable>> functionalDependencies) {
this.functionalDependencies.addAll(functionalDependencies);
return this;
}
public DnfBuilder functionalDependency(FunctionalDependency<Variable> functionalDependency) {
functionalDependencies.add(functionalDependency);
return this;
}
public DnfBuilder functionalDependency(Set<? extends Variable> forEach, Set<? extends Variable> unique) {
return functionalDependency(new FunctionalDependency<>(Set.copyOf(forEach), Set.copyOf(unique)));
}
public DnfBuilder clause(ClauseCallback0 callback) {
return clause(callback.toLiterals());
}
public DnfBuilder clause(ClauseCallback1Data0 callback) {
return clause(callback.toLiterals(Variable.of("v1")));
}
public <T> DnfBuilder clause(Class<T> type1, ClauseCallback1Data1<T> callback) {
return clause(callback.toLiterals(Variable.of("d1", type1)));
}
public DnfBuilder clause(ClauseCallback2Data0 callback) {
return clause(callback.toLiterals(Variable.of("v1"), Variable.of("v2")));
}
public <T> DnfBuilder clause(Class<T> type1, ClauseCallback2Data1<T> callback) {
return clause(callback.toLiterals(Variable.of("v1"), Variable.of("d1", type1)));
}
public <T1, T2> DnfBuilder clause(Class<T1> type1, Class<T2> type2, ClauseCallback2Data2<T1, T2> callback) {
return clause(callback.toLiterals(Variable.of("d1", type1), Variable.of("d2", type2)));
}
public DnfBuilder clause(ClauseCallback3Data0 callback) {
return clause(callback.toLiterals(Variable.of("v1"), Variable.of("v2"), Variable.of("v3")));
}
public <T> DnfBuilder clause(Class<T> type1, ClauseCallback3Data1<T> callback) {
return clause(callback.toLiterals(Variable.of("v1"), Variable.of("v2"), Variable.of("d1", type1)));
}
public <T1, T2> DnfBuilder clause(Class<T1> type1, Class<T2> type2, ClauseCallback3Data2<T1, T2> callback) {
return clause(callback.toLiterals(Variable.of("v1"), Variable.of("d1", type1), Variable.of("d2", type2)));
}
public <T1, T2, T3> DnfBuilder clause(Class<T1> type1, Class<T2> type2, Class<T3> type3,
ClauseCallback3Data3<T1, T2, T3> callback) {
return clause(callback.toLiterals(Variable.of("d1", type1), Variable.of("d2", type2),
Variable.of("d3", type3)));
}
public DnfBuilder clause(ClauseCallback4Data0 callback) {
return clause(callback.toLiterals(Variable.of("v1"), Variable.of("v2"), Variable.of("v3"), Variable.of("v4")));
}
public <T> DnfBuilder clause(Class<T> type1, ClauseCallback4Data1<T> callback) {
return clause(callback.toLiterals(Variable.of("v1"), Variable.of("v2"), Variable.of("v3"), Variable.of("d1",
type1)));
}
public <T1, T2> DnfBuilder clause(Class<T1> type1, Class<T2> type2, ClauseCallback4Data2<T1, T2> callback) {
return clause(callback.toLiterals(Variable.of("v1"), Variable.of("v2"), Variable.of("d1", type1),
Variable.of("d2", type2)));
}
public <T1, T2, T3> DnfBuilder clause(Class<T1> type1, Class<T2> type2, Class<T3> type3,
ClauseCallback4Data3<T1, T2, T3> callback) {
return clause(callback.toLiterals(Variable.of("v1"), Variable.of("d1", type1), Variable.of("d2", type2),
Variable.of("d3", type3)));
}
public <T1, T2, T3, T4> DnfBuilder clause(Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4,
ClauseCallback4Data4<T1, T2, T3, T4> callback) {
return clause(callback.toLiterals(Variable.of("d1", type1), Variable.of("d2", type2),
Variable.of("d3", type3), Variable.of("d4", type4)));
}
public DnfBuilder clause(Literal... literals) {
clause(List.of(literals));
return this;
}
public DnfBuilder clause(Collection<? extends Literal> literals) {
clauses.add(List.copyOf(literals));
return this;
}
<T> void output(DataVariable<T> outputVariable) {
// Copy parameter variables to exclude the newly added {@code outputVariable}.
var fromParameters = Set.copyOf(parameterVariables);
parameter(outputVariable, ParameterDirection.OUT);
functionalDependency(fromParameters, Set.of(outputVariable));
}
public Dnf build() {
var postProcessor = new DnfPostProcessor(parameters, clauses);
var postProcessedClauses = postProcessor.postProcessClauses();
return new Dnf(name, Collections.unmodifiableList(parameters),
Collections.unmodifiableList(functionalDependencies),
Collections.unmodifiableList(postProcessedClauses));
}
}
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