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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.openecomp.core.converter.pnfd.model;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
import lombok.Getter;
import lombok.Setter;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
/**
* Represents a transformation from the PNFD transformation descriptor.
*/
@Getter
@Setter
public class Transformation {
private static final Logger LOGGER = LoggerFactory.getLogger(Transformation.class);
private String name;
private String description;
private TransformationBlock block;
private Set<TransformationProperty> propertySet;
private ConversionQuery conversionQuery;
private List<ConversionDefinition> conversionDefinitionList;
/**
* Checks if the instance contains all necessary information to be used.
*
* @return {code true} if the instance is valid, {code false} otherwise
*/
public boolean isValid() {
if (block == TransformationBlock.GET_INPUT_FUNCTION) {
return !StringUtils.isEmpty(name) && !CollectionUtils.isEmpty(conversionDefinitionList);
}
return block != null && conversionQuery != null && !CollectionUtils.isEmpty(conversionDefinitionList);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final Transformation that = (Transformation) o;
//if there is no query, compares by block and name.
if (conversionQuery == null && that.conversionQuery == null) {
return block == that.block &&
Objects.equals(name, that.name);
}
//transformations with the same block and query will override themselves.
return block == that.block &&
Objects.equals(conversionQuery, that.conversionQuery);
}
@Override
public int hashCode() {
return Objects.hash(block, conversionQuery);
}
public <T> Optional<T> getPropertyValue(final TransformationPropertyType type, Class<T> clazz) {
if (CollectionUtils.isEmpty(propertySet)) {
return Optional.empty();
}
final Optional<TransformationProperty> transformationProperty = propertySet.stream()
.filter(transformationProperty1 -> transformationProperty1.getType() == type)
.findFirst();
if (transformationProperty.isPresent()) {
try {
T value = clazz.cast(transformationProperty.get().getValue());
return Optional.of(value);
} catch (final ClassCastException e) {
LOGGER.warn("Could not get property value.", e);
return Optional.empty();
}
}
return Optional.empty();
}
}
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