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/*
* SPDX-FileCopyrightText: 2024 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.logic.tests;
import tools.refinery.logic.Constraint;
import tools.refinery.logic.term.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public record FakeFunctionView<T>(String name, int keyArity, Class<T> valueType) implements Constraint {
@Override
public int arity() {
return keyArity + 1;
}
@Override
public List<Parameter> getParameters() {
var parameters = new Parameter[keyArity + 1];
Arrays.fill(parameters, Parameter.NODE_OUT);
parameters[keyArity] = new Parameter(valueType, ParameterDirection.OUT);
return List.of(parameters);
}
public <R> AssignedValue<R> aggregate(Aggregator<R, T> aggregator, List<NodeVariable> arguments) {
return targetVariable -> {
var placeholderVariable = Variable.of(valueType);
var argumentsWithPlaceholder = new ArrayList<Variable>(arguments.size() + 1);
argumentsWithPlaceholder.addAll(arguments);
argumentsWithPlaceholder.add(placeholderVariable);
return aggregateBy(placeholderVariable, aggregator, argumentsWithPlaceholder).toLiteral(targetVariable);
};
}
public <R> AssignedValue<R> aggregate(Aggregator<R, T> aggregator, NodeVariable... arguments) {
return aggregate(aggregator, List.of(arguments));
}
public AssignedValue<T> leftJoin(T defaultValue, List<NodeVariable> arguments) {
return targetVariable -> {
var placeholderVariable = Variable.of(valueType);
var argumentsWithPlaceholder = new ArrayList<Variable>(arguments.size() + 1);
argumentsWithPlaceholder.addAll(arguments);
argumentsWithPlaceholder.add(placeholderVariable);
return leftJoinBy(placeholderVariable, defaultValue, argumentsWithPlaceholder).toLiteral(targetVariable);
};
}
public AssignedValue<T> leftJoin(T defaultValue, NodeVariable... arguments) {
return leftJoin(defaultValue, List.of(arguments));
}
}
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