issue #3676 drop db2 support - initial code removal

Signed-off-by: Robin Arnold <robin.arnold@ibm.com>

fhir-bucket/src/main/java/com/ibm/fhir/bucket/app/Main.java

@@ -64,9 +64,6 @@
 import com.ibm.fhir.database.utils.api.UniqueConstraintViolationException;
 import com.ibm.fhir.database.utils.common.JdbcConnectionProvider;
 import com.ibm.fhir.database.utils.common.PlainSchemaAdapter;
-import com.ibm.fhir.database.utils.db2.Db2Adapter;
-import com.ibm.fhir.database.utils.db2.Db2PropertyAdapter;
-import com.ibm.fhir.database.utils.db2.Db2Translator;
 import com.ibm.fhir.database.utils.derby.DerbyAdapter;
 import com.ibm.fhir.database.utils.derby.DerbyPropertyAdapter;
 import com.ibm.fhir.database.utils.derby.DerbyTranslator;
@@ -644,9 +641,6 @@ public void configure() {
         // if we're only running the client-load or reindex helper modes
         if (this.dbType != null) {
             switch (this.dbType) {
-            case DB2:
-                setupDb2Repository();
-                break;
             case DERBY:
                 setupDerbyRepository();
                 break;
@@ -686,30 +680,6 @@ public void setupDerbyRepository() {
         this.transactionProvider = new SimpleTransactionProvider(connectionPool);
     }
 
-    /**
-     * Set up the connection pool and transaction provider for connecting to a DB2
-     * database
-     */
-    public void setupDb2Repository() {
-        if (schemaName == null) {
-            schemaName = DEFAULT_SCHEMA_NAME;
-        }
-
-        this.translator = new Db2Translator();
-        try {
-            Class.forName(translator.getDriverClassName());
-        } catch (ClassNotFoundException e) {
-            throw new IllegalStateException(e);
-        }
-
-        Db2PropertyAdapter propertyAdapter = new Db2PropertyAdapter(dbProperties);
-        IConnectionProvider cp = new JdbcConnectionProvider(translator, propertyAdapter);
-        this.connectionPool = new PoolConnectionProvider(cp, connectionPoolSize);
-        this.adapter = new Db2Adapter(connectionPool);
-        this.schemaAdapter = new PlainSchemaAdapter(adapter);
-        this.transactionProvider = new SimpleTransactionProvider(connectionPool);
-    }
-
     /**
      * Set up the connection pool and transaction provider for connecting to a DB2
      * database

fhir-database-utils/src/main/java/com/ibm/fhir/database/utils/api/SchemaType.java

@@ -10,13 +10,11 @@
 /**
  * The flavor of database schema
  *   PLAIN       - the schema we typically deploy to Derby or PostgreSQL
- *   MULTITENANT - on Db2 supporting multiple tenants using partitioning and RBAC
  *   DISTRIBUTED - for use with distributed technologies like Citus DB
  *   SHARDED     - explicitly sharded using an injected shard_key column
  */
 public enum SchemaType {
     PLAIN,
-    MULTITENANT,
     DISTRIBUTED,
     SHARDED
 }

fhir-database-utils/src/main/java/com/ibm/fhir/database/utils/common/AddColumn.java

@@ -14,7 +14,6 @@
 import com.ibm.fhir.database.utils.api.IDatabaseStatement;
 import com.ibm.fhir.database.utils.api.IDatabaseTranslator;
 import com.ibm.fhir.database.utils.api.IDatabaseTypeAdapter;
-import com.ibm.fhir.database.utils.db2.Db2Adapter;
 import com.ibm.fhir.database.utils.derby.DerbyAdapter;
 import com.ibm.fhir.database.utils.model.ColumnBase;
 import com.ibm.fhir.database.utils.postgres.PostgresAdapter;
@@ -47,9 +46,6 @@ public void run(IDatabaseTranslator translator, Connection c) {
         // DatabaseTypeAdapter is needed to find the correct data type for the column.
         final IDatabaseTypeAdapter dbAdapter;
         switch (translator.getType()) {
-        case DB2:
-            dbAdapter = new Db2Adapter();
-            break;
         case DERBY:
             dbAdapter = new DerbyAdapter();
             break;

fhir-database-utils/src/main/java/com/ibm/fhir/database/utils/common/DatabaseTranslatorFactory.java

@@ -8,7 +8,6 @@
 
 import com.ibm.fhir.database.utils.api.IDatabaseTranslator;
 import com.ibm.fhir.database.utils.citus.CitusTranslator;
-import com.ibm.fhir.database.utils.db2.Db2Translator;
 import com.ibm.fhir.database.utils.derby.DerbyTranslator;
 import com.ibm.fhir.database.utils.model.DbType;
 import com.ibm.fhir.database.utils.postgres.PostgresTranslator;
@@ -29,9 +28,6 @@ public static IDatabaseTranslator getTranslator(DbType type) {
         case DERBY:
             result = new DerbyTranslator();
             break;
-        case DB2:
-            result = new Db2Translator();
-            break;
         case POSTGRESQL:
             result = new PostgresTranslator();
             break;