Uses of Package
edu.caltech.nanodb.storage

Packages that use edu.caltech.nanodb.storage

Package	Description
edu.caltech.nanodb.commands	This package contains the classes that represent the commands that the NanoSQL database recognizes.
edu.caltech.nanodb.expressions	This package contains classes for representing and evaluating arithmetic and logical expressions.
edu.caltech.nanodb.indexes
edu.caltech.nanodb.plannodes	This package contains classes for representing query execution plans, as well as analyzing their costs.
edu.caltech.nanodb.queryast
edu.caltech.nanodb.queryeval	This package contains the query-evaluation components of the database.
edu.caltech.nanodb.relations	This package contains the basic data-types for representing relations in NanoDB.
edu.caltech.nanodb.server
edu.caltech.nanodb.storage	This package contains the classes for the Storage Manager, which is responsible for how data is stored in and retrieved from database files.
edu.caltech.nanodb.storage.heapfile	This package provides a naive implementation of the heap file organization for NanoDB.
edu.caltech.nanodb.storage.writeahead	This package contains the implementation for the write-ahead log, which allows us to provide transaction atomicity, consistency and durability.
edu.caltech.nanodb.transactions	This package contains classes for managing transactions at the logical level, such as concurrency control and isolation, deadlock detection and aborting transactions.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.commands

Class	Description
StorageManager	The Storage Manager provides facilities for managing files of tuples, including in-memory buffering of data pages and support for transactions.
TupleFile	This interface defines the most basic operations that all files storing tuples must support.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.expressions

Class	Description
FilePointer	This class represents a pointer to a location within a database file.
Pinnable	This interface provides the basic "pin" and "unpin" operations that pinnable objects need to provide.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.indexes

Class	Description
PageTuple	This class is a partial implementation of the Tuple interface that handles reading and writing tuple data against a DBPage object.
StorageException	This class and its subclasses represent general storage errors that can be encountered when manipulating the various data files that comprise the database.
StorageManager	The Storage Manager provides facilities for managing files of tuples, including in-memory buffering of data pages and support for transactions.
TupleFile	This interface defines the most basic operations that all files storing tuples must support.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.plannodes

Class	Description
FilePointer	This class represents a pointer to a location within a database file.
TupleFile	This interface defines the most basic operations that all files storing tuples must support.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.queryast

Class	Description
TableManager	This interface specifies the operations performed specifically on table files.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.queryeval

Class	Description
StorageManager	The Storage Manager provides facilities for managing files of tuples, including in-memory buffering of data pages and support for transactions.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.relations

Class	Description
DBFile	This class provides page-level access to a database file, which contains some kind of data utilized in a database system.
FilePointer	This class represents a pointer to a location within a database file.
Pinnable	This interface provides the basic "pin" and "unpin" operations that pinnable objects need to provide.
TableManager	This interface specifies the operations performed specifically on table files.
TupleFile	This interface defines the most basic operations that all files storing tuples must support.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.server

Class	Description
StorageManager	The Storage Manager provides facilities for managing files of tuples, including in-memory buffering of data pages and support for transactions.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.storage

Class	Description
BufferManager	The buffer manager reduces the number of disk IO operations by managing an in-memory cache of data pages.
BufferManager.CachedPageInfo	This helper class keeps track of a data page that is currently cached.
BufferManager.SessionPinCount	This helper class records the pin-count of a data page as imposed by a given session, so that we can forcibly release the session's pins after each command the session completes.
BufferManagerObserver	This interface allows other classes to respond to operations performed by the BufferManager.
DBFile	This class provides page-level access to a database file, which contains some kind of data utilized in a database system.
DBFileReader	This class provides the basic abilty to read a DBFile as a single sequential file, obscuring the fact that it is actually broken into pages.
DBFileType	This enumeration specifies the different types of data file that the database knows about.
DBPage	This class represents a single page in a database file.
DBPageID	A class representing the unique identity of a DBPage, used as a key for tracking pages in maps.
FileManager	This interface specifies all operations that file managers must provide.
FilePointer	This class represents a pointer to a location within a database file.
InvalidFilePointerException	This exception class can be thrown when a file-pointer is discovered to be invalid for some reason.
PageReader	This class facilitates sequences of read operations against a single DBPage object, by providing "position" state that is also updated after each read is performed.
PageWriter	This class extends the PageReader class to provide write operations as well as read operations.
Pinnable	This interface provides the basic "pin" and "unpin" operations that pinnable objects need to provide.
StorageException	This class and its subclasses represent general storage errors that can be encountered when manipulating the various data files that comprise the database.
StorageManager	The Storage Manager provides facilities for managing files of tuples, including in-memory buffering of data pages and support for transactions.
TableManager	This interface specifies the operations performed specifically on table files.
TupleFile	This interface defines the most basic operations that all files storing tuples must support.
TupleFileManager	This interface defines the operations that can be performed on TupleFiles, but that are at a higher level of implementation than the tuple file itself.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.storage.heapfile

Class	Description
DBFile	This class provides page-level access to a database file, which contains some kind of data utilized in a database system.
DBFileType	This enumeration specifies the different types of data file that the database knows about.
DBPage	This class represents a single page in a database file.
FilePointer	This class represents a pointer to a location within a database file.
InvalidFilePointerException	This exception class can be thrown when a file-pointer is discovered to be invalid for some reason.
PageTuple	This class is a partial implementation of the Tuple interface that handles reading and writing tuple data against a DBPage object.
Pinnable	This interface provides the basic "pin" and "unpin" operations that pinnable objects need to provide.
StorageManager	The Storage Manager provides facilities for managing files of tuples, including in-memory buffering of data pages and support for transactions.
TupleFile	This interface defines the most basic operations that all files storing tuples must support.
TupleFileManager	This interface defines the operations that can be performed on TupleFiles, but that are at a higher level of implementation than the tuple file itself.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.storage.writeahead

Class	Description
BufferManager	The buffer manager reduces the number of disk IO operations by managing an in-memory cache of data pages.
DBFile	This class provides page-level access to a database file, which contains some kind of data utilized in a database system.
DBFileReader	This class provides the basic abilty to read a DBFile as a single sequential file, obscuring the fact that it is actually broken into pages.
DBFileWriter	A subclass of DBFileReader, this class provides the basic ability to read and write a DBFile as a single sequential file, obscuring the fact that it is actually broken into pages.
DBPage	This class represents a single page in a database file.
StorageManager	The Storage Manager provides facilities for managing files of tuples, including in-memory buffering of data pages and support for transactions.

Classes in edu.caltech.nanodb.storage used by edu.caltech.nanodb.transactions

Class	Description
BufferManagerObserver	This interface allows other classes to respond to operations performed by the BufferManager.
DBPage	This class represents a single page in a database file.
StorageManager	The Storage Manager provides facilities for managing files of tuples, including in-memory buffering of data pages and support for transactions.