/*
* Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package eu.teraflow.policy;

import eu.teraflow.policy.model.NumericalOperator;
import eu.teraflow.policy.model.PolicyRuleCondition;
import eu.teraflow.policy.monitoring.model.KpiValue;
import java.util.List;
import java.util.stream.Collectors;
import javax.inject.Singleton;

@Singleton
public class PolicyRuleConditionFieldsGetter {

    public List<String> getKpiIds(List<PolicyRuleCondition> policyRuleConditions) {
        return policyRuleConditions.stream()
                .map(PolicyRuleCondition::getKpiId)
                .collect(Collectors.toList());
    }

    public List<KpiValue> getKpiValues(List<PolicyRuleCondition> policyRuleConditions) {
        return policyRuleConditions.stream()
                .map(PolicyRuleCondition::getKpiValue)
                .collect(Collectors.toList());
    }

    public List<NumericalOperator> getNumericalOperators(
            List<PolicyRuleCondition> policyRuleConditions) {
        return policyRuleConditions.stream()
                .map(PolicyRuleCondition::getNumericalOperator)
                .collect(Collectors.toList());
    }
}
