gerrit.o-ran-sc Code Review - smo/teiv.git/blob

   1 /*
   2  *  ============LICENSE_START=======================================================
   3  *  Copyright (C) 2024 Ericsson
   4  *  Modifications Copyright (C) 2024 OpenInfra Foundation Europe
   5  *  ================================================================================
   6  *  Licensed under the Apache License, Version 2.0 (the "License");
   7  *  you may not use this file except in compliance with the License.
   8  *  You may obtain a copy of the License at
   9  *
  10  *        http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  *  Unless required by applicable law or agreed to in writing, software
  13  *  distributed under the License is distributed on an "AS IS" BASIS,
  14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *  See the License for the specific language governing permissions and
  16  *  limitations under the License.
  17  *
  18  *  SPDX-License-Identifier: Apache-2.0
  19  *  ============LICENSE_END=========================================================
  20  */
  21 package org.oran.smo.teiv.pgsqlgenerator.schema.model;
  22
  23 import java.io.File;
  24 import java.io.IOException;
  25 import java.nio.file.Files;
  26 import java.nio.file.StandardCopyOption;
  27 import java.util.ArrayList;
  28 import java.util.Comparator;
  29 import java.util.List;
  30
  31 import org.oran.smo.teiv.pgsqlgenerator.HashInfoEntity;
  32 import org.oran.smo.teiv.pgsqlgenerator.schema.BackwardCompatibilityChecker;
  33 import org.oran.smo.teiv.pgsqlgenerator.schema.SchemaParser;
  34 import org.springframework.beans.factory.annotation.Value;
  35 import org.springframework.stereotype.Component;
  36 import org.springframework.util.ResourceUtils;
  37
  38 import org.oran.smo.teiv.pgsqlgenerator.Entity;
  39 import org.oran.smo.teiv.pgsqlgenerator.Module;
  40 import org.oran.smo.teiv.pgsqlgenerator.PgSchemaGeneratorException;
  41 import org.oran.smo.teiv.pgsqlgenerator.Relationship;
  42 import org.oran.smo.teiv.pgsqlgenerator.schema.SchemaGenerator;
  43 import org.oran.smo.teiv.pgsqlgenerator.schema.Table;
  44 import lombok.RequiredArgsConstructor;
  45 import lombok.extern.slf4j.Slf4j;
  46
  47 @Component
  48 @Slf4j
  49 @RequiredArgsConstructor
  50 public class ModelSchemaGenerator extends SchemaGenerator {
  51     @Value("${schema.model.output}")
  52     private String modelOutputFileName;
  53     @Value("${schema.model.skeleton}")
  54     private String skeletonModelSchemaFileClassPath;
  55     @Value("${schema.model.baseline}")
  56     private String baselineModelSchemaFileClassPath;
  57     @Value("${schema.model.temp-baseline}")
  58     private String tempBaselineModelSchemaFileClassPath;
  59     @Value("${green-field-installation}")
  60     private boolean isGreenFieldInstallation;
  61
  62     private final HashInfoDataGenerator hashInfoDataGenerator;
  63     private final BackwardCompatibilityChecker backwardCompatibilityChecker;
  64
  65     @Override
  66     protected void prepareSchema() {
  67         try {
  68             File skeletonFile = ResourceUtils.getFile("classpath:" + skeletonModelSchemaFileClassPath);
  69             File newGeneratedModelFile = new File(modelOutputFileName);
  70             Files.copy(skeletonFile.toPath(), newGeneratedModelFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
  71             if (!isGreenFieldInstallation) {
  72                 File helmBaseline = ResourceUtils.getFile(baselineModelSchemaFileClassPath);
  73                 File modelBaseline = new File(tempBaselineModelSchemaFileClassPath);
  74                 Files.copy(helmBaseline.toPath(), modelBaseline.toPath(), StandardCopyOption.REPLACE_EXISTING);
  75             }
  76             this.schema = newGeneratedModelFile;
  77         } catch (IOException exception) {
  78             throw PgSchemaGeneratorException.prepareBaselineException("ties.model", exception);
  79         }
  80     }
  81
  82     @Override
  83     protected void setSqlStatements(List<Module> modules, List<Entity> entities, List<Relationship> relationships) {
  84         if (!isGreenFieldInstallation) {
  85             // Get relationships from baseline sql
  86             List<Relationship> relFromBaselineSql = SchemaParser.extractFromModelBaseline(
  87                     tempBaselineModelSchemaFileClassPath);
  88             // Check for NBCs
  89             backwardCompatibilityChecker.checkForNBCChangesInModel(relFromBaselineSql, relationships);
  90         }
  91         StringBuilder tiesModelSql = new StringBuilder();
  92
  93         List<HashInfoEntity> hashInfoList = new ArrayList<>(hashInfoDataGenerator.getHashInfoRowsList().stream().toList());
  94         hashInfoList.sort(Comparator.comparing(HashInfoEntity::getName));
  95
  96         tiesModelSql.append(prepareCopyStatement(hashInfoList));
  97         tiesModelSql.append(prepareCopyStatement(modules));
  98         tiesModelSql.append(prepareCopyStatement(entities));
  99         tiesModelSql.append(prepareCopyStatement(relationships));
 100         tiesModelSql.append(";\n").append("\nCOMMIT;");
 101         this.sqlStatements = tiesModelSql.toString();
 102     }
 103
 104     private StringBuilder prepareCopyStatement(List<? extends Table> table) {
 105         StringBuilder copyStatement = new StringBuilder();
 106         if (!table.isEmpty()) {
 107             copyStatement.append("COPY ties_model.").append(table.get(0).getTableName()).append(table.get(0)
 108                     .getColumnsForCopyStatement()).append(" FROM stdin;\n");
 109             table.forEach(table1 -> copyStatement.append(table1.getRecordForCopyStatement()));
 110             copyStatement.append("\\.\n\n");
 111         }
 112         return copyStatement;
 113     }
 114 }