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Servertec Persistent Object Store 1.4.1 09/04/2005
  • 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
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Last Modified: Mon Sep 05 13:53:20 EDT 2005