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/*-
* ============LICENSE_START=======================================================
* dcae-inventory
* ================================================================================
* Copyright (C) 2020 Nokia Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package io.swagger.api.impl;
import org.glassfish.jersey.internal.util.Producer;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Function;
public class DcaeServiceTypesQueryStatement {
private final StringBuilder sb = new StringBuilder("select * from ");
private final List<String> whereClauses = new ArrayList<>();
private static DcaeServiceTypesQueryStatement create() {
return new DcaeServiceTypesQueryStatement();
}
public static String create(String typeName, Boolean onlyLatest, Boolean onlyActive, String vnfType,
String serviceId, String serviceLocation, String asdcServiceId, String asdcResourceId,
String owner, String application, String component) {
String from = resolveFrom(onlyLatest);
final DcaeServiceTypesQueryStatement queryStatement = DcaeServiceTypesQueryStatement.create();
queryStatement.from(from)
.where()
.andIfNotNull(typeName, queryStatement::typeName)
.andIfNotNull(vnfType, queryStatement::vnfType)
.andIfNotNull(serviceId, queryStatement::serviceId)
.andIfNotNull(serviceLocation, queryStatement::serviceLocation)
.andIfNotNull(asdcServiceId, queryStatement::asdcServiceId)
.andIfNotNull(asdcResourceId, queryStatement::asdcResourceId)
.andIfNotNull(owner, queryStatement::owner)
.andIfNotNull(application, queryStatement::application)
.andIfNotNull(component, queryStatement::component)
.and().createdStatement()
.andIfTrue(onlyActive, queryStatement::activeOnly);
return queryStatement.build();
}
private DcaeServiceTypesQueryStatement where() {
return this;
}
private DcaeServiceTypesQueryStatement and() {
return this;
}
private DcaeServiceTypesQueryStatement andIfNotNull(String value, Function<String, DcaeServiceTypesQueryStatement> callback) {
if (value != null) {
return callback.apply(value);
}
return this;
}
private DcaeServiceTypesQueryStatement andIfTrue(boolean value, Producer<DcaeServiceTypesQueryStatement> callback) {
if (value) {
return callback.call();
}
return this;
}
private DcaeServiceTypesQueryStatement from(String from) {
sb.append(from);
return this;
}
private DcaeServiceTypesQueryStatement typeName(String typeName) {
if (!typeName.contains("*")) {
whereClauses.add(":typeName = type_name");
} else {
whereClauses.add("type_name LIKE :typeName");
}
return this;
}
private DcaeServiceTypesQueryStatement vnfType(String vnfType) {
whereClauses.add("lower(:vnfType) = any(lower(vnf_types\\:\\:text)\\:\\:text[])");
return this;
}
private DcaeServiceTypesQueryStatement serviceId(String serviceId) {
whereClauses.add("(:serviceId = any(service_ids) or service_ids = \'{}\' or service_ids is null)");
return this;
}
private DcaeServiceTypesQueryStatement serviceLocation(String serviceLocation) {
whereClauses.add("(:serviceLocation = any(service_locations) or service_locations = \'{}\' or service_locations is null)");
return this;
}
private DcaeServiceTypesQueryStatement asdcServiceId(String asdcServiceId) {
if (asdcServiceId.equalsIgnoreCase("NONE")) {
whereClauses.add("asdc_service_id is null");
} else {
whereClauses.add(":asdcServiceId = asdc_service_id");
}
return this;
}
private DcaeServiceTypesQueryStatement asdcResourceId(String asdcResourceId) {
if (asdcResourceId.equalsIgnoreCase("NONE")) {
whereClauses.add("asdc_resource_id is null");
} else {
whereClauses.add(":asdcResourceId = asdc_resource_id");
}
return this;
}
private DcaeServiceTypesQueryStatement owner(String owner) {
whereClauses.add(":owner = owner");
return this;
}
private DcaeServiceTypesQueryStatement application(String application) {
whereClauses.add(":application = application");
return this;
}
private DcaeServiceTypesQueryStatement component(String component) {
whereClauses.add(":component = component");
return this;
}
private DcaeServiceTypesQueryStatement createdStatement() {
whereClauses.add("created < :createdCutoff");
return this;
}
private DcaeServiceTypesQueryStatement activeOnly() {
whereClauses.add("deactivated is null");
return this;
}
private String build() {
if (!whereClauses.isEmpty()) {
sb.append(" where ");
sb.append(String.join(" and ", whereClauses));
}
// Sort by created timestamp - always descending.
sb.append(" order by created desc");
return sb.toString();
}
private static String resolveFrom(Boolean onlyLatest) {
String from;
if (onlyLatest) {
// Use the view which filters types that are of only the latest versions
from = "dcae_service_types_latest";
} else {
from = "dcae_service_types";
}
return from;
}
}
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