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/*
* Copyright © 2016-2018 European Support Limited
*
* 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 org.openecomp.sdc.be.components.utils;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.PropertyDefinition;
public class ProxyServicePropertiesUtils {
private ProxyServicePropertiesUtils() {
}
public static List<PropertyDefinition> getProperties(Component service) {
List<PropertyDefinition> properties = service.getProperties();
if (properties == null) {
properties = new ArrayList<>();
}
Set<PropertyDefinition> serviceProperties = new HashSet<>(properties);
if (service.getInputs() != null) {
Set<PropertyDefinition> inputs = service.getInputs().stream().map(input -> new PropertyDefinition(input))
.collect(Collectors.toSet());
serviceProperties.addAll(inputs);
}
serviceProperties =
serviceProperties.stream().filter(distinctByKey(PropertyDefinition::getName)).collect(Collectors.toSet());
return new ArrayList<>(serviceProperties);
}
public static <T> Predicate<T> distinctByKey(Function<? super T, ?> keyExtractor) {
Set<Object> seen = new HashSet<>();
return t -> seen.add(keyExtractor.apply(t));
}
}
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