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.List;
  28
  29 import org.oran.smo.teiv.pgsqlgenerator.schema.BackwardCompatibilityChecker;
  30 import org.oran.smo.teiv.pgsqlgenerator.schema.SchemaParser;
  31 import org.springframework.beans.factory.annotation.Value;
  32 import org.springframework.stereotype.Component;
  33 import org.springframework.util.ResourceUtils;
  34
  35 import org.oran.smo.teiv.pgsqlgenerator.Entity;
  36 import org.oran.smo.teiv.pgsqlgenerator.Module;
  37 import org.oran.smo.teiv.pgsqlgenerator.PgSchemaGeneratorException;
  38 import org.oran.smo.teiv.pgsqlgenerator.Relationship;
  39 import org.oran.smo.teiv.pgsqlgenerator.schema.SchemaGenerator;
  40 import org.oran.smo.teiv.pgsqlgenerator.schema.Table;
  41 import lombok.RequiredArgsConstructor;
  42 import lombok.extern.slf4j.Slf4j;
  43
  44 @Component
  45 @Slf4j
  46 @RequiredArgsConstructor
  47 public class ModelSchemaGenerator extends SchemaGenerator {
  48     @Value("${schema.model.output}")
  49     private String modelOutputFileName;
  50     @Value("${schema.model.skeleton}")
  51     private String skeletonModelSchemaFileClassPath;
  52     @Value("${schema.model.baseline}")
  53     private String baselineModelSchemaFileClassPath;
  54     @Value("${schema.model.temp-baseline}")
  55     private String tempBaselineModelSchemaFileClassPath;
  56     @Value("${green-field-installation}")
  57     private boolean isGreenFieldInstallation;
  58
  59     private final HashInfoDataGenerator hashInfoDataGenerator;
  60     private final BackwardCompatibilityChecker backwardCompatibilityChecker;
  61
  62     @Override
  63     protected void prepareSchema() {
  64         try {
  65             File skeletonFile = ResourceUtils.getFile("classpath:" + skeletonModelSchemaFileClassPath);
  66             File newGeneratedModelFile = new File(modelOutputFileName);
  67             Files.copy(skeletonFile.toPath(), newGeneratedModelFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
  68             if (!isGreenFieldInstallation) {
  69                 File helmBaseline = ResourceUtils.getFile(baselineModelSchemaFileClassPath);
  70                 File modelBaseline = new File(tempBaselineModelSchemaFileClassPath);
  71                 Files.copy(helmBaseline.toPath(), modelBaseline.toPath(), StandardCopyOption.REPLACE_EXISTING);
  72             }
  73             this.schema = newGeneratedModelFile;
  74         } catch (IOException exception) {
  75             throw PgSchemaGeneratorException.prepareBaselineException("ties.model", exception);
  76         }
  77     }
  78
  79     @Override
  80     protected void setSqlStatements(List<Module> modules, List<Entity> entities, List<Relationship> relationships) {
  81         if (!isGreenFieldInstallation) {
  82             // Get relationships from baseline sql
  83             List<Relationship> relFromBaselineSql = SchemaParser.extractFromModelBaseline(
  84                     tempBaselineModelSchemaFileClassPath);
  85             // Check for NBCs
  86             backwardCompatibilityChecker.checkForNBCChangesInModel(relFromBaselineSql, relationships);
  87         }
  88         StringBuilder tiesModelSql = new StringBuilder();
  89         tiesModelSql.append(prepareCopyStatement(hashInfoDataGenerator.getHashInfoRowsList().stream().toList()));
  90         tiesModelSql.append(prepareCopyStatement(modules));
  91         tiesModelSql.append(prepareCopyStatement(entities));
  92         tiesModelSql.append(prepareCopyStatement(relationships));
  93         tiesModelSql.append(";\n").append("\nCOMMIT;");
  94         this.sqlStatements = tiesModelSql.toString();
  95     }
  96
  97     private StringBuilder prepareCopyStatement(List<? extends Table> table) {
  98         StringBuilder copyStatement = new StringBuilder();
  99         if (!table.isEmpty()) {
 100             copyStatement.append("COPY ties_model.").append(table.get(0).getTableName()).append(table.get(0)
 101                     .getColumnsForCopyStatement()).append(" FROM stdin;\n");
 102             table.forEach(table1 -> copyStatement.append(table1.getRecordForCopyStatement()));
 103             copyStatement.append("\\.\n\n");
 104         }
 105         return copyStatement;
 106     }
 107 }