diff options
Diffstat (limited to 'java/org/odmg/Database.java')
| -rw-r--r-- | java/org/odmg/Database.java | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/java/org/odmg/Database.java b/java/org/odmg/Database.java deleted file mode 100644 index 6edd15c..0000000 --- a/java/org/odmg/Database.java +++ /dev/null @@ -1,150 +0,0 @@ -/* -* This file is part of rasdaman community. -* -* Rasdaman community is free software: you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published by -* the Free Software Foundation, either version 3 of the License, or -* (at your option) any later version. -* -* Rasdaman community is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -* GNU General Public License for more details. -* -* You should have received a copy of the GNU General Public License -* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>. -* -* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann / -rasdaman GmbH. -* -* For more information please see <http://www.rasdaman.org> -* or contact Peter Baumann via <baumann@rasdaman.com>. -*/ -package org.odmg; - -/** -* The interface for interacting with an ODMG database. -* Databases must be opened before starting any transactions that use the database -* and closed after ending these transactions. -* <P> -* A database application generally begins processing by accessing one or more -* critical objects and proceeding from there. These objects are root objects, -* because they lead to interconnected webs of other objects. -* The ability to name an object (using method <code>bind</code>) and -* retrieve it later by that name (using method <code>lookup</code> facilitates -* this start-up capability. A name is not explicitly defined as an attribute of -* an object. Naming an object also makes it persistent. -* <P> -* There is a single flat name scope per database; thus all names in a particular -* database are unique. -* @author David Jordan (as Java Editor of the Object Data Management Group) -* @version ODMG 3.0 -*/ - -public interface Database { -/** -* The database is not open. -*/ - public static final int NOT_OPEN = 0; - -/** -* The database is opened for read-only access. -*/ - public static final int OPEN_READ_ONLY = 1; - -/** -* The database is opened for reading and writing. -*/ - public static final int OPEN_READ_WRITE = 2; - -/** -* The database is open for exclusive access. -*/ - public static final int OPEN_EXCLUSIVE = 3; - -/** -* Open the named database with the specified access mode. -* Attempts to open a database when it has already been opened will result in -* the throwing of the exception <code>DatabaseOpenException</code>. -* A <code>DatabaseNotFoundException</code> is thrown if the database does not exist. -* Some implementations may throw additional exceptions that are also derived from -* <code>ODMGException</code>. -* @param name The name of the database. -* @param accessMode The access mode, which should be one of the static fields: -* <code>OPEN_READ_ONLY</code>, <code>OPEN_READ_WRITE</code>, -* or <code>OPEN_EXCLUSIVE</code>. -* @exception ODMGException The database could not be opened. -*/ - public void open(String name, int accessMode) throws ODMGException; - -/** -* Close the database. -* After you have closed a database, further attempts to access objects in the -* database will cause the exception <code>DatabaseClosedException</code> to be thrown. -* Some implementations may throw additional exceptions that are also derived -* from <code>ODMGException</code>. -* @exception ODMGException Unable to close the database. -*/ - public void close() throws ODMGException; - -/** -* Associate a name with an object and make it persistent, -* <BR><I> not yet available in RasDaMan. </BR></I> -* An object instance may be bound to more than one name. -* Binding a previously transient object to a name makes that object persistent. -* @param object The object to be named. -* @param name The name to be given to the object. -* @exception org.odmg.ObjectNameNotUniqueException -* If an attempt is made to bind a name to an object and that name is already bound -* to an object. -*/ - public void bind(Object object, String name) throws ObjectNameNotUniqueException; - -/** -* Lookup an object via its name, -* <BR><I> not yet available in RasDaMan. </BR></I> -* @param name The name of an object. -* @return The object with that name. -* @exception ObjectNameNotFoundException There is no object with the specified name. -* @see ObjectNameNotFoundException -*/ - public Object lookup(String name) throws ObjectNameNotFoundException; - -/** -* Disassociate a name with an object, -* <BR><I> not yet available in RasDaMan. </BR></I> -* @param name The name of an object. -* @exception ObjectNameNotFoundException No object exists in the database with that name. -*/ - public void unbind(String name) throws ObjectNameNotFoundException; - -/** -* Make a transient object durable in the database, -* <BR><I> not yet available in RasDaMan. </BR></I> -* It must be executed in the context of an open transaction. -* If the transaction in which this method is executed commits, -* then the object is made durable. -* If the transaction aborts, -* then the makePersistent operation is considered not to have been executed, -* and the target object is again transient. -* ClassNotPersistenceCapableException is thrown if the implementation cannot make -* the object persistent because of the type of the object. -* @param object The object to make persistent. -*/ - public void makePersistent(Object object); - -/** -* Deletes an object from the database, -* <BR><I> not yet available in RasDaMan. </BR></I> -* It must be executed in the context of an open transaction. -* If the object is not persistent, then ObjectNotPersistent is thrown. -* If the transaction in which this method is executed commits, -* then the object is removed from the database. -* If the transaction aborts, -* then the deletePersistent operation is considered not to have been executed, -* and the target object is again in the database. -* @param object The object to delete. -*/ - public void deletePersistent(Object object); -} - |
