org.eclipse.edc.query.EqualOperatorPredicate Maven / Gradle / Ivy
/*
* Copyright (c) 2024 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0
*
* SPDX-License-Identifier: Apache-2.0
*
* Contributors:
* Bayerische Motoren Werke Aktiengesellschaft (BMW AG) - initial API and implementation
*
*/
package org.eclipse.edc.query;
import org.eclipse.edc.spi.query.OperatorPredicate;
import java.util.List;
import java.util.Objects;
import static java.util.Optional.ofNullable;
public class EqualOperatorPredicate implements OperatorPredicate {
@Override
public boolean test(Object property, Object operandRight) {
if (property == null) {
return operandRight == null;
}
if (property.getClass().isEnum()) {
var enumProperty = (Enum) property;
if (operandRight instanceof String) {
return Objects.equals(enumProperty.name(), operandRight);
} else if (operandRight instanceof Number) {
return Objects.equals(enumProperty.ordinal(), operandRight);
}
}
if (property instanceof Number c1 && operandRight instanceof Number c2) {
// interpret as double to not lose any precision
return Double.compare(c1.doubleValue(), c2.doubleValue()) == 0;
}
if (property instanceof List list) {
return list.stream().anyMatch(it -> Objects.equals(it, operandRight));
} else if (property instanceof Boolean booleanProperty) {
return ofNullable(operandRight)
.map(Object::toString)
.map(Boolean::parseBoolean)
.map(booleanOperand -> booleanOperand == booleanProperty)
.orElse(false);
}
return Objects.equals(property, operandRight);
}
}