Package io.debezium.ibmi.db2.journal.retrieve

Class JdbcFileDecoder

java.lang.Object

io.debezium.ibmi.db2.journal.retrieve.JournalFileEntryDecoder

io.debezium.ibmi.db2.journal.retrieve.JdbcFileDecoder

All Implemented Interfaces:

JournalEntryDeocder<Object[]>

public class JdbcFileDecoder
extends JournalFileEntryDecoder

Field Summary

Fields

Modifier and Type	Field	Description
private static final AS400Bin2	AS400_BIN2
private static final AS400Bin4	AS400_BIN4
private static final AS400Bin8	AS400_BIN8
private static final AS400Date	AS400_DATE
private static final AS400Float4	AS400_FLOAT4
private static final AS400Float8	AS400_FLOAT8
private static final AS400Time	AS400_TIME
private static final AS400Timestamp	AS400_TIMESTAMP
private static final AS400Xml	AS400_XML
(package private) static final Pattern	BIT_DATA
private final CcsidCache	ccsidCache
private final String	databaseName
private static final Object[]	EMPTY
private static final String	GET_DATABASE_NAME
private static final String	GET_TABLE_NAME
private final Connect<Connection,SQLException>	jdbcConnect
private static final AS400Text	LENGTH_DECODER
private final BytesPerChar	octetLengthCache
private final SchemaCacheIF	schemaCache
private final Map<String,Optional<String>>	systemToLongName
private static final String	UNIQUE_KEYS
(package private) static final Pattern	VAR_BIT_DATA

Fields inherited from class io.debezium.ibmi.db2.journal.retrieve.JournalFileEntryDecoder

log, NullIndicatorLengthDecoder

Fields inherited from interface io.debezium.ibmi.db2.journal.retrieve.JournalEntryDeocder

ENTRY_SPECIFIC_DATA_OFFSET

Constructor Summary

Constructors

Constructor	Description
JdbcFileDecoder(Connect<Connection,SQLException> con, String database, SchemaCacheIF schemaCache, Integer fromCcsid, Integer toCcsid)

Method Summary

Modifier and Type	Method	Description
private Optional<Integer>	bitDataLengthFromRegex(String type, int length, Pattern regex)
void	clearCache(String systemTableName, String schema)
private List<String>	ddsPrimaryKeys(String table, String schema)
Object[]	decodeEntry(AS400Structure entryDetailStructure, byte[] data, int offset)
Object[]	decodeFile(EntryHeader entryHeader, byte[] data, int offset)
static String	getDatabaseName(Connection con)
Optional<String>	getLongName(String schemaName, String systemName)
Optional<SchemaCacheIF.TableInfo>	getRecordFormat(String systemTableName, String schema)
(package private) AS400Text	getText(int length, int ccsid)
(package private) AS400VarChar	getVarText(int length, int bytesPerChar, Integer ccsid)
(package private) static boolean	isNullable(int jdbcNullable)
private List<String>	primaryKeysFromMeta(String table, String schema, String databaseCatalog, DatabaseMetaData metadata)
AS400DataType	toDataType(String schema, String table, String columnName, String type, int length, Integer precision)

Methods inherited from class io.debezium.ibmi.db2.journal.retrieve.JournalFileEntryDecoder

decode, nullify

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

AS400_FLOAT8

private static final AS400Float8 AS400_FLOAT8

AS400_FLOAT4

private static final AS400Float4 AS400_FLOAT4

AS400_TIME

private static final AS400Time AS400_TIME

AS400_DATE

private static final AS400Date AS400_DATE

AS400_TIMESTAMP

private static final AS400Timestamp AS400_TIMESTAMP

AS400_XML

private static final AS400Xml AS400_XML

AS400_BIN8

private static final AS400Bin8 AS400_BIN8

AS400_BIN4

private static final AS400Bin4 AS400_BIN4

AS400_BIN2

private static final AS400Bin2 AS400_BIN2

GET_DATABASE_NAME

private static final String GET_DATABASE_NAME

See Also:

• Constant Field Values

UNIQUE_KEYS

private static final String UNIQUE_KEYS

See Also:

• Constant Field Values

jdbcConnect

private final Connect<Connection,SQLException> jdbcConnect

databaseName

private final String databaseName

schemaCache

private final SchemaCacheIF schemaCache

ccsidCache

private final CcsidCache ccsidCache

octetLengthCache

private final BytesPerChar octetLengthCache

LENGTH_DECODER

private static final AS400Text LENGTH_DECODER

EMPTY

private static final Object[] EMPTY

GET_TABLE_NAME

private static final String GET_TABLE_NAME

See Also:

• Constant Field Values

systemToLongName

private final Map<String,Optional<String>> systemToLongName

BIT_DATA

static final Pattern BIT_DATA

VAR_BIT_DATA

static final Pattern VAR_BIT_DATA

Constructor Details

JdbcFileDecoder

public JdbcFileDecoder(Connect<Connection,SQLException> con,
 String database,
 SchemaCacheIF schemaCache,
 Integer fromCcsid,
 Integer toCcsid)

Method Details

decodeFile

public Object[] decodeFile(EntryHeader entryHeader,
 byte[] data,
 int offset)
                    throws Exception

Specified by:

decodeFile in class JournalFileEntryDecoder

Throws:

Exception

decodeEntry

public Object[] decodeEntry(AS400Structure entryDetailStructure,
 byte[] data,
 int offset)

getDatabaseName

public static String getDatabaseName(Connection con)
                              throws SQLException

Throws:

SQLException

clearCache

public void clearCache(String systemTableName,
 String schema)

getRecordFormat

public Optional<SchemaCacheIF.TableInfo> getRecordFormat(String systemTableName,
 String schema)

Parameters:

table -

Returns:

Throws:

Exception - note that some tables (e.g. INDICIA2) are created and deleted during workflow so may not exist

See Also:

• io.debezium.jdbc.JdbcConnection.readTableColumn

ddsPrimaryKeys

private List<String> ddsPrimaryKeys(String table,
 String schema)
                             throws SQLException

Throws:

SQLException

primaryKeysFromMeta

private List<String> primaryKeysFromMeta(String table,
 String schema,
 String databaseCatalog,
 DatabaseMetaData metadata)
                                  throws SQLException

Throws:

SQLException

isNullable

static boolean isNullable(int jdbcNullable)

getLongName

public Optional<String> getLongName(String schemaName,
 String systemName)

getText

AS400Text getText(int length,
 int ccsid)

getVarText

AS400VarChar getVarText(int length,
 int bytesPerChar,
 Integer ccsid)

toDataType

public AS400DataType toDataType(String schema,
 String table,
 String columnName,
 String type,
 int length,
 Integer precision)

bitDataLengthFromRegex

private Optional<Integer> bitDataLengthFromRegex(String type,
 int length,
 Pattern regex)