From 8f27e65bddd7d4b8515ce620fb485fdd78fcdf89 Mon Sep 17 00:00:00 2001 From: Constantin Jucovschi Date: Fri, 24 Apr 2009 07:20:22 -0400 Subject: Initial commit --- java/org/odmg/DBag.java | 85 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 java/org/odmg/DBag.java (limited to 'java/org/odmg/DBag.java') diff --git a/java/org/odmg/DBag.java b/java/org/odmg/DBag.java new file mode 100644 index 0000000..5812c32 --- /dev/null +++ b/java/org/odmg/DBag.java @@ -0,0 +1,85 @@ +/* +* 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 . +* +* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann / +rasdaman GmbH. +* +* For more information please see +* or contact Peter Baumann via . +*/ +package org.odmg; + +/** +* This interface defines the operations associated with an ODMG bag collection. +* All of the operations defined by the JavaSoft Collection +* interface are supported by an ODMG implementation of DBag, +* the exception UnsupportedOperationException is not thrown when a +* call is made to any of the Collection methods. +* @author David Jordan (as Java Editor of the Object Data Management Group) +* @version ODMG 3.0 +*/ +// * @see java.lang.UnsupportedOperationException + +public interface DBag extends DCollection +{ +/** +* A new DBag instance is created that is the union of this object +* and otherBag. +* This method is similar to the addAll method in Collection, +* except that this method creates a new collection and addAll +* modifies the object to contain the result. +* @param otherBag The other bag to use in the union operation. +* @return A DBag instance that contains the union of this object +* and otherBag. +*/ +// * @see com.sun.java.util.collections.Collection#addAll + public DBag union(DBag otherBag); + +/** +* A new DBag instance is created that contains the intersection of +* this object and the DBag referenced by otherBag. +* This method is similar to the retainAll method in Collection, +* except that this method creates a new collection and retainAll +* modifies the object to contain the result. +* @param otherBag The other bag to use in creating the intersection. +* @return A DBag instance that contains the intersection of this +* object and otherBag. +*/ +// @see com.sun.java.util.collections.Collection#retainAll + public DBag intersection(DBag otherBag); + +/** +* A new DBag instance is created that contains the difference of +* this object and the DBag instance referenced by otherBag. +* This method is similar to the removeAll method in Collection, +* except that this method creates a new collection and removeAll +* modifies the object to contain the result. +* @param otherBag The other bag to use in creating the difference. +* @return A DBag instance that contains the elements of this object +* minus the elements in otherBag. +*/ +// * @see com.sun.java.util.collections.Collection#removeAll + public DBag difference(DBag otherBag); + +/** +* This method returns the number of occurrences of the object obj +* in the DBag collection. +* @param obj The value that may have elements in the collection. +* @return The number of occurrences of obj in this collection. +*/ + public int occurrences(Object obj); +} + -- cgit