Automatic generation produced by ISE Eiffel
note description: "Abstract interface with a database.It caters needs of DB_TABLE_COMPONENT classand descendants." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2019-08-26 07:54:41 -0800 (Mon, 26 Aug 2019) $" revision: "$Revision: 103422 $" deferred class interface ABSTRACT_DB_TABLE_MANAGER feature -- Access Case_insensitive: BOOLEAN = False -- Selection is case insensitive. Case_sensitive: BOOLEAN = True -- Selection is case sensitive. Contains_type: INTEGER_32 = 5 -- Attribute contains value. database_result_list: detachable ARRAYED_LIST [DB_TABLE] -- Database result list. require no_error: not has_error Equals_type: INTEGER_32 = 0 -- Attribute equals value. generating_type: TYPE [detachable ABSTRACT_DB_TABLE_MANAGER] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty Greater_type: INTEGER_32 = 1 -- Attribute is greater than value. Lower_type: INTEGER_32 = 2 -- Attribute is lower than value. Max_type: INTEGER_32 = 5 -- Maximum type. Prefix_type: INTEGER_32 = 3 -- Value is prefix of attribute. Suffix_type: INTEGER_32 = 4 -- Value is suffix of attribute. feature -- Comparison frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void -- or attached to isomorphic object structures? -- (from ANY) ensure -- from ANY instance_free: class shallow_implies_deep: standard_equal (a, b) implies Result both_or_none_void: (a = Void) implies (Result = (b = Void)) same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b)) symmetric: Result implies deep_equal (b, a) frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached -- to objects considered equal? -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) frozen is_deep_equal alias "≡≡≡" (other: ABSTRACT_DB_TABLE_MANAGER): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) is_equal (other: ABSTRACT_DB_TABLE_MANAGER): BOOLEAN -- Is other attached to an object considered -- equal to current object? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached to -- field-by-field identical objects of the same type? -- Always uses default object comparison criterion. -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) frozen standard_is_equal alias "≜" (other: ABSTRACT_DB_TABLE_MANAGER): BOOLEAN -- Is other attached to an object of the same type -- as current object, and field-by-field identical to it? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY same_type: Result implies same_type (other) symmetric: Result implies other.standard_is_equal (Current) feature -- Status report conforms_to (other: ANY): BOOLEAN -- Does type of current object conform to type -- of other (as per Eiffel: The Language, chapter 13)? -- (from ANY) require -- from ANY other_not_void: other /= Void error_message: detachable STRING_8 -- Error message if an error occurred during last -- database operation. has_error: BOOLEAN -- Has an error occurred during last database operation? has_id (tablerow: DB_TABLE): BOOLEAN -- Does tablerow have an ID and can it be found? require tablerow_not_void: tablerow /= Void is_valid_code (code: INTEGER_32): BOOLEAN -- Does code represents a database table? -- (from DB_TABLES_ACCESS_USE) same_type (other: ANY): BOOLEAN -- Is type of current object identical to type of other? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY definition: Result = (conforms_to (other) and other.conforms_to (Current)) select_query_prepared: BOOLEAN -- Is a select query prepared? tables_set: BOOLEAN -- Is abstract description of database tables -- set? -- (from DB_TABLES_ACCESS_USE) valid_type (type: INTEGER_32): BOOLEAN -- Is type a valid qualifying type? feature -- Duplication copy (other: ABSTRACT_DB_TABLE_MANAGER) -- Update current object using fields of object attached -- to other, so as to yield equal objects. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_equal: Current ~ other frozen deep_copy (other: ABSTRACT_DB_TABLE_MANAGER) -- Effect equivalent to that of: -- `copy` (other . `deep_twin`) -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY deep_equal: deep_equal (Current, other) frozen deep_twin: ABSTRACT_DB_TABLE_MANAGER -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) frozen standard_copy (other: ABSTRACT_DB_TABLE_MANAGER) -- Copy every field of other onto corresponding field -- of current object. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_standard_equal: standard_is_equal (other) frozen standard_twin: ABSTRACT_DB_TABLE_MANAGER -- New object field-by-field identical to other. -- Always uses default copying semantics. -- (from ANY) ensure -- from ANY standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) frozen twin: ABSTRACT_DB_TABLE_MANAGER -- New object equal to Current -- `twin` calls `copy`; to change copying/twinning semantics, redefine `copy`. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations frozen default: detachable ABSTRACT_DB_TABLE_MANAGER -- Default value of object's type -- (from ANY) frozen default_pointer: POINTER -- Default value of type POINTER -- (Avoid the need to write p.`default` for -- some p of type POINTER.) -- (from ANY) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class feature -- Basic operations: selection add_specific_qualifier (column: INTEGER_32; value: READABLE_STRING_GENERAL; type: INTEGER_32; case: BOOLEAN) -- Add qualifier column related to value with type and case. require select_query_prepared: select_query_prepared not_void: value /= Void valid_type: valid_type (type) add_value_qualifier (column: INTEGER_32; value: READABLE_STRING_GENERAL) -- Add qualifier column = value to prepared select query. require select_query_prepared: select_query_prepared not_void: value /= Void load_result -- Load result. Set `has_error`. Result is available in -- database_result if result is unique, `database_result_list` otherwise. require select_query_prepared: select_query_prepared prepare_select_with_table (tablecode: INTEGER_32) -- Prepare a simple select query on table with code tablecode. -- Execute it with load_result_list. require is_valid_tablecode: is_valid_code (tablecode) feature -- Basic operations: update delete_tablerow (a_tablerow: DB_TABLE) -- Delete tablerow in the database, -- i.e. the table row of an_obj table with an_obj ID. require not_void: a_tablerow /= Void has_id: has_id (a_tablerow) set_id_and_create_tablerow (a_tablerow: DB_TABLE) -- Store in the DB object a_tablerow after giving it -- a valid ID. require not_void: a_tablerow /= Void has_id: has_id (a_tablerow) update_tablerow (description: DB_TABLE) -- Update object with description in the database. -- Object should already exist and should have kept -- same ID. require not_void: description /= Void has_id: has_id (description) feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY out_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note copyright: "Copyright (c) 1984-2019, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class ABSTRACT_DB_TABLE_MANAGER -- Generated by Eiffel Studio --
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