Class SchemaManager

  • Direct Known Subclasses:
    DynamicSchemaManager

    public class SchemaManager
    extends Object

    Purpose: Define all user level protocol for development time database manipulation.

    Responsibilities:

    • Define protocol for schema creation.
    • Define any useful testing specific protocol.
    • Field Detail

      • FAST_TABLE_CREATOR

        public static boolean FAST_TABLE_CREATOR
        Allow table creator to occur "fast" by just deleting all the rows.
      • FORCE_DROP

        public static boolean FORCE_DROP
        Allow replacing of table to force the drop, this may require several passes.
    • Constructor Detail

      • SchemaManager

        public SchemaManager​(org.eclipse.persistence.internal.sessions.DatabaseSessionImpl session)
    • Method Detail

      • appendToDDLWriter

        public void appendToDDLWriter​(String stringToWrite)
        PUBLIC: If the schema manager is writing to a writer, append this string to that writer.
      • appendToDDLWriter

        public void appendToDDLWriter​(Writer schemaWriter,
                                      String stringToWrite)
      • buildFieldTypes

        public void buildFieldTypes​(TableDefinition tableDef)
        INTERNAL: builds the field names based on the type read in from the builder
      • closeDDLWriter

        public void closeDDLWriter()
        PUBLIC: Close the schema writer.
      • closeDDLWriter

        public void closeDDLWriter​(Writer schemaWriter)
      • setCreateDatabaseSchemas

        public void setCreateDatabaseSchemas​(boolean createDatabaseSchemas)
        INTERNAL: Set to true if database schemas should be built during the DDL generation.
      • setCreateSQLFiles

        public void setCreateSQLFiles​(boolean genFlag)
      • replaceSequences

        public void replaceSequences()
                              throws EclipseLinkException
        Drop and recreate all the receiver's sequences on the database for all of the loaded descriptors.
        Throws:
        EclipseLinkException
      • checkTableExists

        public boolean checkTableExists​(TableDefinition table)
        Check if the table exists by issuing a select.
      • finalize

        public void finalize()
        INTERNAL: Close the schema writer when the schema manger is garbage collected
      • generateStoredProcedures

        public void generateStoredProcedures()
                                      throws EclipseLinkException
        PUBLIC: Use this method to generate stored procedures based on the dynamic SQL generated for your mappings and descriptors. This should be used with caution as it maintenance will be high. Stored procedures may be generated either directly on the database or to a file.
        Throws:
        EclipseLinkException
      • generateStoredProcedures

        public void generateStoredProcedures​(Writer writer)
                                      throws EclipseLinkException
        PUBLIC: Use this method to generate stored procedures based on the dynamic SQL generated for your mappings and descriptors. This should be used with caution as it maintenance will be high. Stored procedures may be generated either directly on the database or to a file.
        Throws:
        EclipseLinkException
      • generateStoredProceduresAndAmendmentClass

        public void generateStoredProceduresAndAmendmentClass​(Writer writer,
                                                              String fullyQualifiedClassName)
                                                       throws EclipseLinkException
        PUBLIC: Use this method to generate stored procedures based on the dynamic SQL generated for your mappings and descriptors. This should be used with caution as it maintenance will be high. Stored procedures may be generated either directly on the database or to a file.
        Throws:
        EclipseLinkException
      • generateStoredProceduresAndAmendmentClass

        public void generateStoredProceduresAndAmendmentClass​(String path,
                                                              String fullyQualifiedClassName)
                                                       throws EclipseLinkException
        PUBLIC: Use this method to generate stored procedures based on the dynamic SQL generated for your mappings and descriptors. This should be used with caution as it maintenance will be high. Stored procedures may be generated either directly on the database or to a file.
        Throws:
        EclipseLinkException
      • getAllColumnNames

        public Vector getAllColumnNames​(String tableName)
                                 throws DatabaseException
        Get a description of table columns available in a catalog.

        Each column description has the following columns:

        1. TABLE_CAT String => table catalog (may be null)
        2. TABLE_SCHEM String => table schema (may be null)
        3. TABLE_NAME String => table name
        4. COLUMN_NAME String => column name
        5. DATA_TYPE short => SQL type from java.sql.Types
        6. TYPE_NAME String => Data source dependent type name
        7. COLUMN_SIZE int => column size. For char or date types this is the maximum number of characters, for numeric or decimal types this is precision.
        8. BUFFER_LENGTH is not used.
        9. DECIMAL_DIGITS int => the number of fractional digits
        10. NUM_PREC_RADIX int => Radix (typically either 10 or 2)
        11. NULLABLE int => is NULL allowed?
          • columnNoNulls - might not allow NULL values
          • columnNullable - definitely allows NULL values
          • columnNullableUnknown - nullability unknown
        12. REMARKS String => comment describing column (may be null)
        13. COLUMN_DEF String => default value (may be null)
        14. SQL_DATA_TYPE int => unused
        15. SQL_DATETIME_SUB int => unused
        16. CHAR_OCTET_LENGTH int => for char types the maximum number of bytes in the column
        17. ORDINAL_POSITION int => index of column in table (starting at 1)
        18. IS_NULLABLE String => "NO" means column definitely does not allow NULL values; "YES" means the column might allow NULL values. An empty string means nobody knows.
        Parameters:
        tableName - a table name pattern
        Returns:
        a Vector of Records.
        Throws:
        DatabaseException
      • getAllColumnNames

        public Vector getAllColumnNames​(String creatorName,
                                        String tableName)
                                 throws DatabaseException
        Get a description of table columns available in a catalog.

        Each column description has the following columns:

        1. TABLE_CAT String => table catalog (may be null)
        2. TABLE_SCHEM String => table schema (may be null)
        3. TABLE_NAME String => table name
        4. COLUMN_NAME String => column name
        5. DATA_TYPE short => SQL type from java.sql.Types
        6. TYPE_NAME String => Data source dependent type name
        7. COLUMN_SIZE int => column size. For char or date types this is the maximum number of characters, for numeric or decimal types this is precision.
        8. BUFFER_LENGTH is not used.
        9. DECIMAL_DIGITS int => the number of fractional digits
        10. NUM_PREC_RADIX int => Radix (typically either 10 or 2)
        11. NULLABLE int => is NULL allowed?
          • columnNoNulls - might not allow NULL values
          • columnNullable - definitely allows NULL values
          • columnNullableUnknown - nullability unknown
        12. REMARKS String => comment describing column (may be null)
        13. COLUMN_DEF String => default value (may be null)
        14. SQL_DATA_TYPE int => unused
        15. SQL_DATETIME_SUB int => unused
        16. CHAR_OCTET_LENGTH int => for char types the maximum number of bytes in the column
        17. ORDINAL_POSITION int => index of column in table (starting at 1)
        18. IS_NULLABLE String => "NO" means column definitely does not allow NULL values; "YES" means the column might allow NULL values. An empty string means nobody knows.
        Parameters:
        creatorName - a schema name pattern; "" retrieves those without a schema
        tableName - a table name pattern
        Returns:
        a Vector of Records.
        Throws:
        DatabaseException
      • getAllTableNames

        public Vector getAllTableNames()
                                throws DatabaseException
        Get a description of tables available in a catalog.

        Each table description has the following columns:

        1. TABLE_CAT String => table catalog (may be null)
        2. TABLE_SCHEM String => table schema (may be null)
        3. TABLE_NAME String => table name
        4. TABLE_TYPE String => table type. Typical types are "TABLE", "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
        5. REMARKS String => explanatory comment on the table

        Note: Some databases may not return information for all tables.

        Returns:
        a Vector of Records.
        Throws:
        DatabaseException
      • getAllTableNames

        public Vector getAllTableNames​(String creatorName)
                                throws DatabaseException
        Get a description of table columns available in a catalog.

        Each column description has the following columns:

        1. TABLE_CAT String => table catalog (may be null)
        2. TABLE_SCHEM String => table schema (may be null)
        3. TABLE_NAME String => table name
        4. COLUMN_NAME String => column name
        5. DATA_TYPE short => SQL type from java.sql.Types
        6. TYPE_NAME String => Data source dependent type name
        7. COLUMN_SIZE int => column size. For char or date types this is the maximum number of characters, for numeric or decimal types this is precision.
        8. BUFFER_LENGTH is not used.
        9. DECIMAL_DIGITS int => the number of fractional digits
        10. NUM_PREC_RADIX int => Radix (typically either 10 or 2)
        11. NULLABLE int => is NULL allowed?
          • columnNoNulls - might not allow NULL values
          • columnNullable - definitely allows NULL values
          • columnNullableUnknown - nullability unknown
        12. REMARKS String => comment describing column (may be null)
        13. COLUMN_DEF String => default value (may be null)
        14. SQL_DATA_TYPE int => unused
        15. SQL_DATETIME_SUB int => unused
        16. CHAR_OCTET_LENGTH int => for char types the maximum number of bytes in the column
        17. ORDINAL_POSITION int => index of column in table (starting at 1)
        18. IS_NULLABLE String => "NO" means column definitely does not allow NULL values; "YES" means the column might allow NULL values. An empty string means nobody knows.
        Parameters:
        creatorName - a schema name pattern; "" retrieves those without a schema
        Returns:
        a Vector of Records.
        Throws:
        DatabaseException
      • getColumnInfo

        public Vector getColumnInfo​(String catalog,
                                    String schema,
                                    String tableName,
                                    String columnName)
                             throws DatabaseException
        Get a description of table columns available in a catalog.

        Only column descriptions matching the catalog, schema, table and column name criteria are returned. They are ordered by TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION.

        Each column description has the following columns:

        1. TABLE_CAT String => table catalog (may be null)
        2. TABLE_SCHEM String => table schema (may be null)
        3. TABLE_NAME String => table name
        4. COLUMN_NAME String => column name
        5. DATA_TYPE short => SQL type from java.sql.Types
        6. TYPE_NAME String => Data source dependent type name
        7. COLUMN_SIZE int => column size. For char or date types this is the maximum number of characters, for numeric or decimal types this is precision.
        8. BUFFER_LENGTH is not used.
        9. DECIMAL_DIGITS int => the number of fractional digits
        10. NUM_PREC_RADIX int => Radix (typically either 10 or 2)
        11. NULLABLE int => is NULL allowed?
          • columnNoNulls - might not allow NULL values
          • columnNullable - definitely allows NULL values
          • columnNullableUnknown - nullability unknown
        12. REMARKS String => comment describing column (may be null)
        13. COLUMN_DEF String => default value (may be null)
        14. SQL_DATA_TYPE int => unused
        15. SQL_DATETIME_SUB int => unused
        16. CHAR_OCTET_LENGTH int => for char types the maximum number of bytes in the column
        17. ORDINAL_POSITION int => index of column in table (starting at 1)
        18. IS_NULLABLE String => "NO" means column definitely does not allow NULL values; "YES" means the column might allow NULL values. An empty string means nobody knows.
        Parameters:
        catalog - a catalog name; "" retrieves those without a catalog; null means drop catalog name from the selection criteria
        schema - a schema name pattern; "" retrieves those without a schema
        tableName - a table name pattern
        columnName - a column name pattern
        Returns:
        a Vector of Records.
        Throws:
        DatabaseException
      • getSession

        public org.eclipse.persistence.internal.sessions.AbstractSession getSession()
      • getTableInfo

        public Vector getTableInfo​(String catalog,
                                   String schema,
                                   String tableName,
                                   String[] types)
                            throws DatabaseException
        Get a description of tables available in a catalog.

        Only table descriptions matching the catalog, schema, table name and type criteria are returned. They are ordered by TABLE_TYPE, TABLE_SCHEM and TABLE_NAME.

        Each table description has the following columns:

        1. TABLE_CAT String => table catalog (may be null)
        2. TABLE_SCHEM String => table schema (may be null)
        3. TABLE_NAME String => table name
        4. TABLE_TYPE String => table type. Typical types are "TABLE", "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
        5. REMARKS String => explanatory comment on the table

        Note: Some databases may not return information for all tables.

        Parameters:
        catalog - a catalog name; "" retrieves those without a catalog; null means drop catalog name from the selection criteria
        schema - a schema name pattern; "" retrieves those without a schema
        tableName - a table name pattern
        types - a list of table types to include; null returns all types
        Returns:
        a Vector of Records.
        Throws:
        DatabaseException
      • outputDDLToDatabase

        public void outputDDLToDatabase()
        PUBLIC: Output all DDL statements directly to the database.
      • outputDDLToFile

        public void outputDDLToFile​(String fileName)
        PUBLIC: Output all DDL statements to a file writer specified by the name in the parameter.
      • outputCreateDDLToFile

        public void outputCreateDDLToFile​(String fileName)
      • outputDropDDLToFile

        public void outputDropDDLToFile​(String fileName)
      • outputDDLToWriter

        public void outputDDLToWriter​(Writer schemaWriter)
        PUBLIC: Output all DDL statements to a writer specified in the parameter.
      • outputCreateDDLToWriter

        public void outputCreateDDLToWriter​(Writer createWriter)
      • outputDropDDLToWriter

        public void outputDropDDLToWriter​(Writer dropWriter)
      • replaceObject

        public void replaceObject​(DatabaseObjectDefinition databaseDefinition)
                           throws EclipseLinkException
        Use the definition object to drop and recreate the schema entity on the database. This is used for dropping tables, views, procedures ... etc ... This handles and ignore any database error while dropping in case the object did not previously exist.
        Throws:
        EclipseLinkException
      • createDefaultTables

        public void createDefaultTables​(boolean generateFKConstraints)
        Create the default table schema for the project this session associated with.
      • dropDatabaseSchemas

        public void dropDatabaseSchemas()
        INTERNAL: Iterate over the schemas that need to be dropped.
      • dropDefaultTables

        public void dropDefaultTables()
        Create the default table schema for the project this session associated with.
      • replaceDefaultTables

        public void replaceDefaultTables()
                                  throws EclipseLinkException
        Drop and recreate the default table schema for the project this session associated with.
        Throws:
        EclipseLinkException
      • replaceDefaultTables

        public void replaceDefaultTables​(boolean createSequenceTables,
                                         boolean generateFKConstraints)
                                  throws EclipseLinkException
        Drop and recreate the default table schema for the project this session associated with.
        Throws:
        EclipseLinkException
      • replaceDefaultTables

        public void replaceDefaultTables​(boolean createSequenceTables,
                                         boolean createSequences,
                                         boolean generateFKConstraints)
                                  throws EclipseLinkException
        Drop and recreate the default table schema for the project this session associated with.
        Throws:
        EclipseLinkException
      • setSession

        public void setSession​(org.eclipse.persistence.internal.sessions.DatabaseSessionImpl session)
      • shouldWriteToDatabase

        public boolean shouldWriteToDatabase()
        PUBLIC: Return true if this SchemaManager should write to the database directly
      • extendDefaultTables

        public void extendDefaultTables​(boolean generateFKConstraints)
                                 throws EclipseLinkException
        Create or extend the default table schema for the project this session associated with.
        Throws:
        EclipseLinkException