• initial open source release

Servertec Persistent Object Store 1.4.0 08/23/2004

• added support for read and write locks
• added stec.pos.Lock
• added stec.pos.readLock(Object)
• added stec.pos.writeLock(Object)
• added stec.pos.readLock(Object, long)
• added stec.pos.writeLock(Object, long)
• added stec.xpos.readLock(Object)
• added stec.xpos.writeLock(Object)
• added stec.xpos.readLock(Object, long)
• added stec.xpos.writeLock(Object, long)
• added stec.pos.isReadCount(Object)
• added stec.pos.isWriteCount(Object)
• added stec.xpos.isReadCount(Object)
• added stec.xpos.isWriteCount(Object)
• added stec.pos.iReadCount(Object)
• added stec.pos.iWriteCount(Object)
• added stec.xpos.iReadCount(Object)
• added stec.xpos.iWriteCount(Object)
• added stec.pos.lockCount(Object)
• added stec.xpos.lockCount(Object)
• added stec.pos.locks()
• added stec.pos.locks(Object)
• added stec.xpos.locks()
• added stec.xpos.locks(Object)
• added stec.pos.lock(Object)
• added stec.pos.lock(Object, long)
• added stec.xpos.lock(Object)
• added stec.xpos.lock(Object, long)
• removed stec.pos.getWhoLocked(Object)
• removed stec.xpos.getWhoLocked(Object)
• updated documentation

Servertec Persistent Object Store 1.3.1 11/26/2003

• added stec.pos.CheckObjectStore.check(String[], String[])
• added stec.xpos.CheckObjectStore.check(String[], String[])
• added stec.pos.CheckIndex.check(String[], String[])
• added stec.xpos.CheckIndex.check(String[], String[])
• added stec.pos.CheckIndexedObjectStore.check(String[], String[])
• added stec.xpos.CheckIndexedObjectStore.check(String[], String[])
• added stec.pos.ObjectStoreReference.getFilename()
• added stec.xpos.ObjectStoreReference.getFilename()
• added stec.pos.IndexReference.getFilename()
• added stec.xpos.IndexReference.getFilename()
• added stec.pos.IndexedObjectStoreReference.getFilename()
• added stec.xpos.IndexedObjectStoreReference.getFilename()
• added stec.pos.ObjectStoreEnumeration.hasMoreElements(timeout)
• added stec.xpos.ObjectStoreEnumeration.hasMoreElements(timeout)
• removed stec.pos.ObjectStoreEnumeration.nextElement(timeout)
• removed stec.xpos.ObjectStoreEnumeration.nextElement(timeout)
• changed how stec.pos.ObjectStoreEnumeration.hasMoreElements() works
• changed how stec.pos.ObjectStoreEnumeration.nextElement() works
• fixed bug that resulted in stec.pos.ObjectStoreEnumeration.close() throwing an exception when stec.pos.ObjectStoreEnumeration.nextElement() throws a TimeoutException
• fixed bug that resulted in stec.xpos.ObjectStoreEnumeration.close() throwing an exception when stec.xpos.ObjectStoreEnumeration.nextElement() throws a TimeoutException
• updated documentation

Servertec Persistent Object Store 1.3.0 10/19/2003

• added support for efficient storage and retrieval of object streams
• added support for efficient storage and retrieval of byte arrays
• added stec.pos.ObjectStoreInputStream
• added stec.pos.ObjectStoreOutputStream
• added stec.pos.ObjectStoreRandomAccessStream
• added stec.xpos.ObjectStoreInputStream
• added stec.xpos.ObjectStoreOutputStream
• added stec.xpos.ObjectStoreRandomAccessStream
• added stec.pos.ObjectStoreReference.getInputStream
• added stec.pos.ObjectStoreReference.getOutputStream
• added stec.pos.ObjectStoreReference.getRandomAccessStream
• added stec.xpos.ObjectStoreReference.getInputStream
• added stec.xpos.ObjectStoreReference.getOutputStream
• added stec.xpos.ObjectStoreReference.getRandomAccessStream
• added stec.pos.ByteArray.BYTE_ARRAY
• added stec.pos.ByteArray.getByteArray()d
• added stec.pos.ByteArray.setByteArray()
• added stec.pos.ByteArray.getEncodedType()
• standardized exception handling
• updated documentation

Servertec Persistent Object Store 1.2.4 07/06/2003

• stec.pos and stec.xpos now uses case sensitive instance ids when running under Unix based systems and case insensitive instance ids when running under Windows based systems
• fixed bug in stec.pos.CheckIndex that resulted in duplicate values not being correctly counted
• fixed bug in stec.xpos.CheckIndex that resulted in duplicate values not being correctly counted
• fixed bug in stec.pos.CheckIndex that resulted in null keys not being counted
• fixed bug in stec.xpos.CheckIndex that resulted in null keys not being counted
• fixed bug in stec.pos.CheckIndex that resulted in keys in desending indexes being reported as not being in the correct order
• fixed bug in stec.xpos.CheckIndex that resulted in keys in desending indexes being reported as not being in the correct order
• improved error handler used by stec.pos.VirtualFileHandleManager when attaching a virtual file handle to a physical file handle

Servertec Persistent Object Store 1.2.3 03/11/2003

• added stec.io.File
• replaced use of java.io.File.getCanonicalPath() with stec.io.File.getCanonicalPath()
• stec.pos.IndexInstance.next() no longer checks for invalid keys and values
• stec.xpos.IndexInstance.next() no longer checks for invalid keys and values
• stec.pos.IndexInstance.previous() no longer checks for invalid keys and values
• stec.xpos.IndexInstance.previous() no longer checks for invalid keys and values
• fixed bug in stec.pos.IndexInstance.check_value() that resulted in a java.lang.NullPointerException being thrown when the Index was created with duplicates set to false
• fixed bug in stec.xpos.IndexInstance.check_value() that resulted in a java.lang.NullPointerException being thrown when the Index was created with duplicates set to false

Servertec Persistent Object Store 1.2.2 03/03/2003

• added stec.pos.ObjectStore.copy()
• added stec.xpos.ObjectStore.copy()
• added stec.pos.Index.copy()
• added stec.xpos.Index.copy()
• added stec.pos.IndexedObjectStore.copy()
• added stec.xpos.IndexedObjectStore.copy()
• added stec.pos.ObjectStore.move()
• added stec.xpos.ObjectStore.move()
• added stec.pos.Index.move()
• added stec.xpos.Index.move()
• added stec.pos.IndexedObjectStore.move()
• added stec.xpos.IndexedObjectStore.move()
• added stec.pos.IndexedObjectStoreReference.getKeysClassName()
• added stec.xpos.IndexedObjectStoreReference.getKeysClassName()
• added stec.pos.IndexedObjectStoreReference.getValuesClassName()
• added stec.xpos.IndexedObjectStoreReference.getValuesClassName()
• added stec.pos.IndexedObjectStoreReference.getKeysIndexCollator()
• added stec.xpos.IndexedObjectStoreReference.getKeysIndexCollator()
• added stec.pos.IndexedObjectStoreReference.getValuesIndexCollator()
• added stec.xpos.IndexedObjectStoreReference.getValuesIndexCollator()
• added stec.pos.IndexedObjectStoreInstance
• added stec.xpos.IndexedObjctedStoreInstance
• changed key's index file extension from .keys to .index.keys
• changed key's store file extension from .key.store to .keys.store
• changed value's store file extension from .value.store to .values.store
• consolidated commonly used methods into stec.pos.Common
• indexes no longer perform exact match of key and value object class names instead indexes now just check that the objects being used are assignable
• indexes now only require that keys, values are an instance of the class specified when the index was created
• stec.pos.IndexedObjectStore now uses its own object locks
• stec.xpos.IndexedObjectStore now uses its own object locks
• stec.pos.IndexedObjectStore.getWhoLocked() now returns stec.pos.IndexedObjectStoreReference
• stec.xpos.IndexedObjectStore.getWhoLocked() now returns stec.pos.IndexedObjectStoreReference
• POS now uses the current thread's class loader when constructing and comparing classes.
• stec.pos.Index.delete() now checks if the specified path exists and if it is a directory before attempting to delete it
• fixed bug in stec.pos.ObjectStore.create() that resulted in not all the physical files being deleted when an existing object store was overwritten
• fixed bug in stec.xpos.ObjectStore.create() that resulted in not all the physical files being deleted when an existing object store was overwritten
• fixed bug in stec.pos.Index.create() that resulted in not all the physical files being deleted when an existing index was overwritten.
• fixed bug in stec.xpos.Index.create() that resulted in not all the physical files being deleted when an existing index was overwritten.
• fixed bug in stec.pos.IndexedObjectStore.delete() that resulted in not all the physical files being deleted when an existing indexed object store was deleted.
• fixed bug in stec.xpos.IndexedObjectStore.delete() that resulted in not all the physical files being deleted when an existing indexed object store was deleted.
• fixed bug in stec.pos.IndexedObjectStore.removeIndex() that resulted in not all the physical files being deleted when an existing indexed object store was deleted.
• fixed bug in stec.xpos.IndexedObjectStore.removeIndex() that resulted in not all the physical files being deleted when an existing indexed object store was deleted.
• fixed bug in stec.pos.IndexReference.clear() that resulted in the associated files not being properly cleared
• fixed bug in stec.xpos.IndexReference.clear() that resulted in the associated files not being properly cleared
• fixed bug in stec.pos.IndexedObjectStoreReference.clear() that resulted in the associated object store not being cleared
• fixed bug in stec.xpos.IndexedObjectStoreReference.clear() that resulted in the associated object store not being cleared
• fixed bug in POS that resulted in the root cause of an exception not always being reported
• fixed bug in stec.pos.Locker.unlock() that resulted in POS not unlocking locked object when the reference are closed or when a unlockAll() is used
• fixed bug in stec.pos.ObjectStoreReference.getWhoLocked() that resulted in the method not checking if the file was still opened
• fixed bug in stec.xpos.ObjectStoreReference.getWhoLocked() that resulted in the method not checking if the file was still opened
• fixed bug in stec.pos.IndexReference.getWhoLocked() that resulted in the method not checking if the file was still opened
• fixed bug in stec.xpos.IndexReference.getWhoLocked() that resulted in the method not checking if the file was still opened
• fixed bug in stec.pos.IndexedObjectStore that allowed the indexed object store to be deleted without first checking if it is being used
• fixed bug in stec.xpos.IndexedObjectStore that allowed operations on the specified indexed object store without first checking if it is being used
• fixed bug in stec.pos.IndexedObjectStoreReference.contains() that resulted in the value not being properly compared
• fixed bug in stec.xpos.IndexedObjectStoreReference.contains() that resulted in the value not being properly compared
• fixed bug in stec.pos.Index.expand() that resulted in associated files not being properly expanded
• fixed bug in stec.xpos.Index.expand() that resulted in associated files not being properly expanded
• fixed bug in indexes that resulted in objects with a null value not being properly stored
• updated documentation

Servertec Persistent Object Store 1.2.1 12/22/2002

• added stec.pos.CheckObjectStore.check()
• added stec.xpos.CheckObjectStore.check()
• added stec.pos.CheckIndex.check()
• added stec.xpos.CheckIndex.check()
• added stec.pos.CheckIndexedObjectStore.check()
• added stec.xpos.CheckIndexedObjectStore.check()
• added stec.pos.RecoverObjectStore.recover()
• added stec.xpos.RecoverObjectStore.recover()
• added stec.pos.RecoverIndex.recover()
• added stec.xpos.RecoverIndex.recover()
• added -v option to stec.pos.RecoverObjectStore, stec.xpos.RecoverObjectStore, stec.pos.RecoverIndex and stec.pos.RecoverIndex
• added items recovered count to stec.pos.RecoverObjectStore, stec.xpos.RecoverObjectStore, stec.pos.RecoverIndex and stec.pos.RecoverIndex
• updated formula used to calculate the average key page count, average value page count, average key length and average value length used by stec.pos.CheckObjectStore, stec.xpos.CheckObjectStore, stec.pos.CheckIndex and stec.xpos.CheckIndex
• fixed bug in stec.xpos.ObjectStore.expand() that caused the file length volume header to be improperly set and resulted in the store no longer being accessible
• fixed bug in stec.xpos.Index.expand() that caused the file length volume header to be improperly set and resulted in the index no longer being accessible
• fixed bug in stec.pos.Index.create() that resulted in the keys index's file length being improperly set when a fixed number of keys index pages was specified.
• fixed bug in stec.pos.Index.create() that resulted in the values index's file length being improperly set when a fixed number of values index pages was specified.
• fixed bug in stec.xpos.Index.create() that resulted in the keys index's file length being improperly set when a fixed number of keys index pages was specified.
• fixed bug in stec.xpos.Index.create() that resulted in the values index's file length being improperly set when a fixed number of values index pages was specified.
• updated documentation

Servertec Persistent Object Store 1.2.0 12/03/2002

• added stec.pos.RecoverObjectStore
• added stec.xpos.RecoverObjectStore
• added stec.pos.RecoverIndex
• added stec.xpos.RecoverIndex
• added support for virtual file handles
• added stec.pos.Locker
• added stec.pos.RandomAccessFile
• added stec.pos.RandomAccessFileManager
• added stec.pos.TooManyOpenFilesException
• added stec.pos.TimeoutException
• added stec.pos.FileNotOpenException
• added stec.pos.ObjectStoreEnumerator
• added stec.xpos.ObjectStoreEnumerator
• added stec.pos.Iterator.seek(key), stec.pos.Iterator.seek(key, value), stec.pos.IndexReference.seek(key), stec.pos.IndexReference.seek(key, value), stec.xpos.IndexReference.seek(key), stec.xpos.IndexReference.seek(key, value), stec.pos.IndexedObjectStoreReference.seek(key), stec.pos.IndexedObjectStoreReference.seek(key, value), stec.xpos.IndexedObjectStoreReference.seek(key), stec.xpos.IndexedObjectStoreReference.seek(key, value), stec.pos.ObjectStoreReference.keys(boolean), stec.pos.ObjectStoreReference.keys(ObjectStoreFilter, boolean), stec.pos.ObjectStoreReference.elements(boolean), stec.pos.ObjectStoreReference.elements(ObjectStoreFilter, boolean), stec.pos.ObjectStoreEnumeration.nextElement(long), stec.pos.ObjectStoreEnumeration.close() and stec.pos.ObjectStoreEnumeration.isOpen(), stec.pos.ObjectStoreReference.getWhoLocked(Object), stec.pos.ObjectStoreReference.locks(), stec.pos.ObjectStoreReference.lockCount(), stec.xpos.ObjectStoreReference.getWhoLocked(Object), stec.xpos.ObjectStoreReference.locks(), stec.xpos.ObjectStoreReference.lockCount(), stec.pos.IndexedReference.getWhoLocked(Object), stec.pos.IndexedReference.locks(), stec.pos.IndexedReference.lockCount(), stec.xpos.IndexedReference.getWhoLocked(Object), stec.xpos.IndexedReference.locks(), stec.xpos.IndexedReference.lockCount(), stec.pos.IndexedObjectStoreReference.getWhoLocked(Object), stec.pos.IndexedObjectStoreReference.locks(), stec.pos.IndexedObjectStoreReference.lockCount(), stec.xpos.IndexedObjectStoreReference.getWhoLocked(Object), stec.xpos.IndexedObjectStoreReference.locks(), stec.xpos.IndexedObjectStoreReference.lockCount(), stec.pos.IndexReference.getKeysClassName(), stec.pos.IndexReference.getValuesClassName(), stec.pos.IndexReference.getKeysIndexCollator(), stec.pos.IndexReference.getValuesIndexCollator(), stec.xpos.IndexReference.getKeysClassName(), stec.xpos.IndexReference.getValuesClassName(), stec.xpos.IndexReference.getKeysIndexCollator(), stec.xpos.IndexReference.getValuesIndexCollator(),
• stec.pos.CheckObjectStore and stec.xpos.CheckObjectStore now display detail information about the keys, value pairs and the stores
• stec.pos.CheckIndex and stec.xpos.CheckIndex now display detail information about the keys, value pairs, index file and stores.
• fixed bug in ObjectStoreEnumeration that resulted in dead-locks when the object store is being accessed by multiple threads
• redesigned ObjectStoreEnumeration implementation
• updated documentation

Servertec Persistent Object Store 1.1.0 09/01/2002

• added support for modified B-*trees
• added Index, IndexInstance, IndexReference, IndexFilter, IndexCollator, IndexDescriptor, Indexer, Iterator, IndexObject, IndexStore, IndexStoreInstance, KeysIndex, KeysIndexInstance, ValuesIndex, ValuesIndexInstance, IndexedObjectStore, IndexedObjectStoreReference, IndexUtils, POSException, Common, CheckIndex and CheckIndexedObjectStore classes
• added address book example
• added simple search engine example
• expanded ByteArray to include support for java.util.Date, java.math.BigInteger and java.math.BigDecimal
• documented Index, IndexReference, IndexFilter, IndexCollator, IndexDescriptor, Indexer, Iterator, IndexObject, IndexStore, IndexedObjectStore, IndexedObjectStoreReference, IndexUtils, POSException, CheckIndex and CheckIndexedObjectStore classes
• updated documentation for ByteArray

Servertec Persistent Object Store 1.0.1 02/04/2002

• fixed bug that resulted in stec.pos.ObjectStoreInstance throwing java.lang.NullPointerException when an object store was accessed concurrently by multiple threads
• fixed bug that resulted in stec.xpos.ObjectStoreInstance throwing java.lang.NullPointerException when an object store was accessed concurrently by multiple threads
• fixed bug that resulted in data store and mapper corruption when an object store was accessed concurrently by multiple threads
• fixed bug in RegistryExplorer that resulted in internal delimiter being displayed for path delimiter when tooltip was shown
• updated documentation

Servertec Persistent Object Store 1.0.0 11/26/2001

• updated license

Servertec Persistent Object Store 1.0.0 08/12/2001

• initial public release