Package com.softwaremining.sql

Class AbstractIndexedFile

java.lang.Object

com.softwaremining.wrappers.CBLBean

com.softwaremining.wrappers.AbstractBasePersistence

com.softwaremining.sql.AbstractIndexedFile

All Implemented Interfaces:

IPersistence, ISQLWrapper, AbstractDataObject, ICBLBeanNGroup, ICBLContainer, IFieldContainer, ISMBean, ISMDataType

Direct Known Subclasses:

SQLWrapper

public abstract class AbstractIndexedFile
extends AbstractBasePersistence
implements ISQLWrapper, IPersistence

Subclasses of this type can talk to either Indexed-Files, or Database tables

Field Summary

Fields

Modifier and Type	Field	Description
protected ISQLWrapper	delegateDAO

Fields inherited from class com.softwaremining.wrappers.AbstractBasePersistence

fileName, ownerClassName, status

Fields inherited from class com.softwaremining.wrappers.CBLBean

EBCDIC_JIT_PD_SUPPORT_FOR_SEQ_FILES, INDEX_FOR_NON_ARRAY_VERSION_OF_FIELD, INDEX_ZERO, log, tmp_lengthofAssignedValue, totalRuntime_allocate, totalRuntime_calcFieldOffsets, totalRuntime_getMemoryPosition, totalRuntime_setFieldFormatted

Fields inherited from interface com.softwaremining.sql.IPersistence

ACCESS_MODE_DYNAMIC, ACCESS_MODE_RANDOM, ACCESS_MODE_SEQUENTIAL, ASCENDING_RECORD_KEY, CONDITION_TYPE_EQUALS, CONDITION_TYPE_GREATER, CONDITION_TYPE_GREATER_OR_EQUALS, CONDITION_TYPE_IGNORE, CONDITION_TYPE_IGNORE_FOR_SQL_LIKE, CONDITION_TYPE_LESS, CONDITION_TYPE_LESS_OR_EQUALS, CONDITION_TYPE_LIKE, CONDITION_TYPE_NO_CONDITION, CONDITION_TYPE_NOT_ASSIGNED, DESCENDING_RECORD_KEY, OPEN_MODE_EXTEND, OPEN_MODE_I_O, OPEN_MODE_INPUT, OPEN_MODE_NOT_OPENED, OPEN_MODE_OUTPUT, STATUS_AT_END, STATUS_DUP_KEY, STATUS_FAILED_CLOSING, STATUS_INCORRECT_READ_OF_UNOPENED_FILE, STATUS_INCORRECT_RECORDSIZE_REWRITE, STATUS_INSERT_ERR_INAPPROPRIATE_FILE, STATUS_INSERT_ERR_INVALID_KEY, STATUS_LOCK, STATUS_NOT_FOUND, STATUS_REWRITE_WITHOUT_READ, STATUS_SM_FAIL_UNKOWN_REASON, STATUS_SM_NOT_ASSIGNED, STATUS_SUCCESS, UNCERTAIN_OF_RETURN_VALUE

Constructor Summary

Constructors

Constructor	Description
AbstractIndexedFile()
AbstractIndexedFile(BaseService owner)

Method Summary

Modifier and Type	Method	Description
protected static void	_assignKeyValue(ISQLWrapper me, String value)
protected abstract int	_clear(ISQLWrapper wrapper)
protected abstract int	_close(ISQLWrapper wrapper)
protected abstract void	_commit(ISQLWrapper wrapper)
protected abstract int	_deleteAllRecord(ISQLWrapper wrapper)
protected abstract int	_deleteRecord(ISQLWrapper wrapper)
protected abstract int	_insertRecord(ISQLWrapper wrapper)
protected abstract int	_nextRecord(ISQLWrapper wrapper)
protected abstract int	_open(ISQLWrapper wrapper, int openMode)
protected abstract int	_prevRecord(ISQLWrapper wrapper)
protected abstract int	_readRecord(ISQLWrapper wrapper)
protected abstract int	_readWithLock(ISQLWrapper wrapper)
protected abstract void	_rollback(ISQLWrapper wrapper)
protected abstract int	_seekRecord(ISMObject[] keys, int conditionType)
protected abstract void	_unlock(ISQLWrapper wrapper)
protected abstract int	_updateRecord(ISQLWrapper wrapper)
void	assignAccessMode(int accessMode)	Similar to the COBOL ACCESS Mode
final void	assignDelegateDAO(ISQLWrapper delegateDAO)	Indexed files with totally different formats will sometimes still need to go to same database table.
final void	assignStatus(ISMObject status)	set the status object
int	clear()	clear the result-sets and statements ...
int	close()	Close the file
final void	commit()
int	delete()	Equivalent of COBOL delete (for VSAM).
int	deleteAllRecord()
int	deleteRecord()	when operation is Unsuccessful throw Exception (e.g KeyNotFountException).
int	insert()	Insert a record - populate the values from the existing fields
int	insertRecord()	Insert a record - populate the values from the existing fields
int	next()	read the next record from file.
int	nextRecord()	Translation of COBOL Read Next ...
int	open(int openMode)
int	prev()	] Equivalent of COBOL VSAM READ PREV
int	prevRecord()	Translation of COBOL Read Prev ...
int	read()	READ is used in conjuction with SEEK statements.
int	readRecord()	Equivalent of COBOL READ , at end throw exception If AccessMode is not SEQUENTIAL, a seek() will be performed before the read.
int	readWithLock()
protected void	resetCicsDelegate()
final ISQLWrapper	retrieveDelegateDAO()	Indexed files with totally different formats will sometimes still need to go to same database table.
final void	rollback()
int	seek(ISMObject[] keys, int conditionType)	translation of COBOL START The method will open a result-set, read the information and then Close the result-set.
int	seek(ISMObject key, int conditionType)	Go to the record identified by key Condition type is one of : IPersistence.CONDITION_TYPE_NO_CONDITION = 0; IPersistence.CONDITION_TYPE_EQUALS = 1; IPersistence.CONDITION_TYPE_GREATER = 2; IPersistence.CONDITION_TYPE_LESS = 3; IPersistence.CONDITION_TYPE_GREATER_OR_EQUALS = 4; IPersistence.CONDITION_TYPE_LESS_OR_EQUALS = 5;
final int	seekRecord(ISMObject key)
int	seekRecord(ISMObject[] keys, int conditionType)
int	seekRecord(ISMObject key, int conditionType)	translation of COBOL START The method will open a result-set, read the information and then Close the result-set.
void	unlock()
int	update()	Update the current record with the current record structure.
int	updateRecord()	Translation of COBOL REWRITE statement

Methods inherited from class com.softwaremining.wrappers.AbstractBasePersistence

assignFileName, assignLock, assignStatus, assignStatusAsPrimitive, assignStatusValue, assignStatusValue, assignTableName, readRow, retrieveAccessMode, retrieveFileName, retrieveFileName, retrieveFirstLevelEntry, retrieveOpenMode, retrieveSessionId, retrieveStatusField, retrieveStatusValue

Methods inherited from class com.softwaremining.wrappers.CBLBean

addCorrespondingValue, addCorrespondingValue, allocate, assignAddressTo, assignAddressTo, assignBean, assignBytesEncoded, assignCachedInitializationValue, assignCorrespondingValue, assignCorrespondingValue, assignDefaultValue, assignDependingField, assignEbcdicBytes, assignEbcdicJIT_PdSupportForSequentialFiles, assignEncodedValue, assignExemptFromMemRelease, assignExternal, assignHighValues, assignInternalVars, assignLowValues, assignRawEbcdicBytes, assignRecordSize, assignRedefines, assignRedefines, assignSessionId, assignStringFormatted, assignSubstring, assignSubstring, assignToAddressOf, assignToAddressOf, assignToAddressOf, assignToAddressOf, assignToAllFields, assignValue, assignValue, assignValue, assignValue, assignValue, assignValue, assignValue, calculateStorageSize, containsPointers, equals, equals, equals, equals, equalsRightTrimmed, fieldsCount, fill, fill, fill, fill, fill, getValue, hasPackedDecimalFields, initDefaultValues, initialize, initialize, isExemptFromMemRelease, isFilled, isFilled, isFilled, isFilled, isGreaterThan, isGreaterThan, isGreaterThan, isHighValues, isInvolvedInDependency, isInvolvedInExternalDependency, isLessOrEqualTo, isLessOrEqualTo, isLessOrEqualTo, isLessOrEqualTo, isLessOrEqualTo, isLessThan, isLessThan, isLessThan, isLessThan, isLessThan, isLowValues, isRedefinedByAnotherClass, isResourceAlreadyReleased, lengthOf, printFieldPosition, printFieldValues, printOrderedFieldPosition, PrintOrderedFieldPositionsAndValue, releaseResources, releaseResources, resetCachedValues, resetCompressedFieldList, resetStructure, resize, retrieveActualLength, retrieveAsInt, retrieveAsString, retrieveCachedInitializationValue, retrieveCompressedFields, retrieveDependedFieldsList, retrieveEbcdicBytes, retrieveEbcdicValue, retrieveEncodedValue, retrieveField, retrieveField, retrieveFieldAtMemoryPosition, retrieveFieldFormatted, retrieveFields, retrieveIsTargetOfPointers, retrievePrimitiveFields, retrieveRawEbcdicBytes, retrieveSQLObject, retrieveStorageCellSize, retrieveStorageChars, retrieveSubstring, retrieveSubstring, retrieveTopLevelField, retrieveValue, retrieveValue, setValue, stringValue, subtractCorrespondingValue, subtractCorrespondingValue, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.softwaremining.wrappers.ISMBean

assignExemptFromMemRelease, assignSessionId, assignValue, initialize, isExemptFromMemRelease, isResourceAlreadyReleased, releaseResources, resetStructure, retrieveActualLength, retrieveAsString, retrieveField, retrieveField, retrieveTopLevelField, retrieveValue, stringValue

Methods inherited from interface com.softwaremining.sql.ISQLWrapper

assignAdditionalSQLConditions, assignAdditionalSQLConditions, assignAdditionalSQLOrderBy, assignCachedSeekValues, assignChangeGEConditonToLIKE, assignChangeGTEQ2EQForLIKECondition, assignConnection, assignDbDecorator, assignExpandGTEQSearches, assignFetchDirectionIsForward, assignFileOpened, assignGDGCondition, assignGDGProperty, assignGenerate_OrderBy_ForReadStatements, assignIgnoreOriginalKeys, assignKeyIsUnique, assignKeyValue, assignLastSeekCondition, assignLastSeekConditionLookedForEquality, assignLowerLimitForExpandGTEQSearches, assignOpenMode, assignRecordKey, assignRecordKey, assignResultSet, assignResultSetFetchSize, assignRowFacade, assignSequentialKeyGeneration, assignSQLConditions, assignSQLTableName, assignStatusValue, assignSuppressSeek, assignTableName, assignThrowInvalidKeyException, assignTopRowSelectStrategyCount, assignTopRowSelectStrategyRange, assignTreatAsSQLWrapper, assignUpperLimitForExpandGTEQSearches, isAllowedToExpandGTEQSearches, isChangeGEConditonToLIKE, isChangeGTEQ2EQForLIKECondition, isFetchDirectionBackward, isFetchDirectionForward, isFileOpened, isIgnoreOriginalKeys, isKept, isKeyUnique, isLastSeekConditionLookedForEquality, isReduceGEorEQ, isSeekSuppressed, isSequentialKeyGeneration, isSuppressNextReadCurrent, reduceGEorEQ, retreiveLowerLimitForExpandGTEQSearches, retreiveUpperLimitForExpandGTEQSearches, retrieveAccessMode, retrieveAdditionalSearchParameters, retrieveAdditionalSQLCondition, retrieveAdditionalSQLOrderBy, retrieveAscentDescendOrder, retrieveCachedSeekValues, retrieveConnection, retrieveDbDecorator, retrieveFileName, retrieveGenerate_OrderBy_ForReadStatements, retrieveImplicitDatabaseKey, retrieveLastSeekCondition, retrieveNativeKeys, retrieveOpenMode, retrieveRecordKey, retrieveRecordKeyValue, retrieveResultSet, retrieveResultSetFetchSize, retrieveRowFacade, retrieveSessionId, retrieveStatusValue, retrieveTableName, retrieveThrowInvalidKeyException, retrieveTopRowSelectStrategyCount, retrieveTopRowSelectStrategyStartingRow, setLock, useOidTableForKeyGeneration, validateConditionType

Field Details

delegateDAO

protected ISQLWrapper delegateDAO

Constructor Details

AbstractIndexedFile

public AbstractIndexedFile()

AbstractIndexedFile

public AbstractIndexedFile(BaseService owner)

Method Details

_seekRecord

protected abstract int _seekRecord(ISMObject[] keys,
 int conditionType)
                            throws IOStatusException

Throws:

IOStatusException

seekRecord

public final int seekRecord(ISMObject key)

seekRecord

public int seekRecord(ISMObject[] keys,
 int conditionType)
               throws IOStatusException

Specified by:

seekRecord in interface ISQLWrapper

Throws:

IOStatusException

seek

public int seek(ISMObject key,
 int conditionType)

Go to the record identified by key Condition type is one of : IPersistence.CONDITION_TYPE_NO_CONDITION = 0; IPersistence.CONDITION_TYPE_EQUALS = 1; IPersistence.CONDITION_TYPE_GREATER = 2; IPersistence.CONDITION_TYPE_LESS = 3; IPersistence.CONDITION_TYPE_GREATER_OR_EQUALS = 4; IPersistence.CONDITION_TYPE_LESS_OR_EQUALS = 5;

seek

public int seek(ISMObject[] keys,
 int conditionType)

translation of COBOL START The method will open a result-set, read the information and then Close the result-set.

Parameters:

keys -

conditionType -

Throws:

IOStatusException

seekRecord

public int seekRecord(ISMObject key,
 int conditionType)
               throws IOStatusException

translation of COBOL START The method will open a result-set, read the information and then Close the result-set.

Specified by:

seekRecord in interface ISQLWrapper

Parameters:

key -

conditionType -

Throws:

IOStatusException

_assignKeyValue

protected static void _assignKeyValue(ISQLWrapper me,
 String value)

_nextRecord

protected abstract int _nextRecord(ISQLWrapper wrapper)
                            throws IOStatusException

Throws:

IOStatusException

_prevRecord

protected abstract int _prevRecord(ISQLWrapper wrapper)
                            throws IOStatusException

Throws:

IOStatusException

_readRecord

protected abstract int _readRecord(ISQLWrapper wrapper)
                            throws IOStatusException

Throws:

IOStatusException

_open

protected abstract int _open(ISQLWrapper wrapper,
 int openMode)

_close

protected abstract int _close(ISQLWrapper wrapper)

_commit

protected abstract void _commit(ISQLWrapper wrapper)

_rollback

protected abstract void _rollback(ISQLWrapper wrapper)

_readWithLock

protected abstract int _readWithLock(ISQLWrapper wrapper)

_unlock

protected abstract void _unlock(ISQLWrapper wrapper)

_insertRecord

protected abstract int _insertRecord(ISQLWrapper wrapper)

_updateRecord

protected abstract int _updateRecord(ISQLWrapper wrapper)

_deleteRecord

protected abstract int _deleteRecord(ISQLWrapper wrapper)

_deleteAllRecord

protected abstract int _deleteAllRecord(ISQLWrapper wrapper)

_clear

protected abstract int _clear(ISQLWrapper wrapper)

open

public int open(int openMode)
         throws IOCriticalException

Specified by:

open in class AbstractBasePersistence

Throws:

IOCriticalException

close

public int close()
          throws IOCriticalException

Description copied from class: AbstractBasePersistence

Close the file

Specified by:

close in interface ISQLWrapper

Specified by:

close in class AbstractBasePersistence

Returns:

when successful it returns IPersistence.STATUS_SUCCESS

Throws:

IOCriticalException

nextRecord

public int nextRecord()
               throws IOStatusException

Translation of COBOL Read Next ...

Specified by:

nextRecord in class AbstractBasePersistence

Returns:

IPersistence.STATUS_SUCCESS if records are found, Otherwise returns other values from IPersistence;

Throws:

IOStatusException

prevRecord

public int prevRecord()
               throws IOStatusException

Translation of COBOL Read Prev ...

Specified by:

prevRecord in class AbstractBasePersistence

Returns:

IPersistence.STATUS_SUCCESS if records are found, Otherwise returns other values from IPersistence;

Throws:

IOStatusException

readRecord

public int readRecord()
               throws IOStatusException

Equivalent of COBOL READ , at end throw exception If AccessMode is not SEQUENTIAL, a seek() will be performed before the read.

Specified by:

readRecord in class AbstractBasePersistence

Returns:

IPersistence.STATUS_SUCCESS if records are found, Otherwise returns other values from IPersistence;

Throws:

IOStatusException

readWithLock

public int readWithLock()

insertRecord

public int insertRecord()
                 throws IOStatusException

Insert a record - populate the values from the existing fields

Specified by:

insertRecord in class AbstractBasePersistence

Returns:

when successful it returns IPersistence.STATUS_SUCCESS

Throws:

IOStatusException

unlock

public void unlock()

Specified by:

unlock in interface ISQLWrapper

deleteRecord

public int deleteRecord()
                 throws IOStatusException

Description copied from class: AbstractBasePersistence

when operation is Unsuccessful throw Exception (e.g KeyNotFountException). See com.softwaremining.wrappers.exceptions

Specified by:

deleteRecord in class AbstractBasePersistence

Returns:

when successful it returns IPersistence.STATUS_SUCCESS

Throws:

IOStatusException

deleteAllRecord

public int deleteAllRecord()
                    throws IOStatusException

Throws:

IOStatusException

clear

public int clear()
          throws IOStatusException

clear the result-sets and statements ...

Specified by:

clear in class AbstractBasePersistence

Returns:

when successful it returns IPersistence.STATUS_SUCCESS

Throws:

IOStatusException

updateRecord

public int updateRecord()
                 throws IOStatusException

Translation of COBOL REWRITE statement

Specified by:

updateRecord in class AbstractBasePersistence

Returns:

when successful it returns IPersistence.STATUS_SUCCESS

Throws:

IOStatusException

read

public int read()

READ is used in conjuction with SEEK statements. Read the next record, trapping at end exceptions ....

Specified by:

read in interface ISQLWrapper

Overrides:

read in class AbstractBasePersistence

Returns:

IPersistence.STATUS_SUCCESS if records are found, Otherwise returns other values from IPersistence;

next

public int next()

read the next record from file. DOES NOT THROW AtEndException ... instead only the FileStatus will be changed.

Specified by:

next in interface ISQLWrapper

Overrides:

next in class AbstractBasePersistence

Returns:

IPersistence.STATUS_SUCCESS if records are found, Otherwise returns other values from IPersistence;

insert

public int insert()

Insert a record - populate the values from the existing fields

Specified by:

insert in interface ISQLWrapper

Overrides:

insert in class AbstractBasePersistence

update

public int update()

Update the current record with the current record structure. If at end of file is reached, it does not throw an exception

Specified by:

update in interface ISQLWrapper

Overrides:

update in class AbstractBasePersistence

delete

public int delete()

Equivalent of COBOL delete (for VSAM).

Specified by:

delete in interface ISQLWrapper

Overrides:

delete in class AbstractBasePersistence

prev

public int prev()

] Equivalent of COBOL VSAM READ PREV

Specified by:

prev in interface ISQLWrapper

Overrides:

prev in class AbstractBasePersistence

Returns:

IPersistence.STATUS_SUCCESS if records are found, Otherwise returns other values from IPersistence;

resetCicsDelegate

protected void resetCicsDelegate()

assignDelegateDAO

public final void assignDelegateDAO(ISQLWrapper delegateDAO)

Indexed files with totally different formats will sometimes still need to go to same database table. Assigning a DelegateDAO causes the delegate class to be used for access to the SQLDatabase. The values are then transfered between "this" class and delegateDAO

Specified by:

assignDelegateDAO in interface ISQLWrapper

Parameters:

delegateDAO -

retrieveDelegateDAO

public final ISQLWrapper retrieveDelegateDAO()

Indexed files with totally different formats will sometimes still need to go to same database table. A DelegateDAO allows another class to be used for access to the SQLDatabase.

Specified by:

retrieveDelegateDAO in interface ISQLWrapper

Returns:

assignAccessMode

public void assignAccessMode(int accessMode)

Similar to the COBOL ACCESS Mode

Specified by:

assignAccessMode in interface ISQLWrapper

Overrides:

assignAccessMode in class AbstractBasePersistence

Parameters:

accessMode - : types are defined in IPersistence.ACCESS_MODE_xxx : Sequential, Random or Dynamic

commit

public final void commit()
                  throws IOCriticalException

Throws:

IOCriticalException

rollback

public final void rollback()
                    throws IOCriticalException

Throws:

IOCriticalException

assignStatus

public final void assignStatus(ISMObject status)

Description copied from class: AbstractBasePersistence

set the status object

Specified by:

assignStatus in interface ISQLWrapper

Overrides:

assignStatus in class AbstractBasePersistence

Parameters:

status -