diff options
Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BooleanTools.java')
-rw-r--r-- | common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BooleanTools.java | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BooleanTools.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BooleanTools.java deleted file mode 100644 index 783c0f1299..0000000000 --- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/BooleanTools.java +++ /dev/null @@ -1,105 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2009 Oracle. All rights reserved. - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0, which accompanies this distribution - * and is available at http://www.eclipse.org/legal/epl-v10.html. - * - * Contributors: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.common.utility.internal; - -/** - * Assorted "Capital-B Boolean" operations. - */ - // commented code is just playing around with building *everything* from NAND -public final class BooleanTools { - - /** - * Return the NOT of the specified Boolean. - * Boolean#not() - */ - public static Boolean not(Boolean b) { - return Boolean.valueOf( ! b.booleanValue()); -// return nand(b, b); - } - - /** - * Return the AND of the specified Booleans. - * Boolean#and(Boolean) - */ - public static Boolean and(Boolean b1, Boolean b2) { - return Boolean.valueOf(b1.booleanValue() && b2.booleanValue()); -// Boolean nand = nand(b1, b2); -// return nand(nand, nand); - } - - /** - * Return the OR of the specified Booleans. - * Boolean#or(Boolean) - */ - public static Boolean or(Boolean b1, Boolean b2) { - return Boolean.valueOf(b1.booleanValue() || b2.booleanValue()); -// Boolean nand = nand(b1, b2); -// Boolean xor = nand(nand(b1, nand), nand(b2, nand)); -// Boolean and = nand(nand, nand); -// Boolean nand2 = nand(xor, and); -// return nand(nand(xor, nand2), nand(and, nand2)); - } - - /** - * Return the XOR of the specified Booleans. - * Boolean#xor(Boolean) - */ - public static Boolean xor(Boolean b1, Boolean b2) { - return and(or(b1, b2), nand(b1, b2)); -// Boolean nand = nand(b1, b2); -// return nand(nand(b1, nand), nand(b2, nand)); - } - - /** - * Return the NAND of the specified Booleans. - * Boolean#nand(Boolean) - */ - public static Boolean nand(Boolean b1, Boolean b2) { - return not(and(b1, b2)); -// return Boolean.valueOf( ! (b1.booleanValue() && b2.booleanValue())); - } - - /** - * Return the NOR of the specified Booleans. - * Boolean#nor(Boolean) - */ - public static Boolean nor(Boolean b1, Boolean b2) { - return not(or(b1, b2)); -// Boolean nand = nand(b1, b2); -// Boolean xor = nand(nand(b1, nand), nand(b2, nand)); -// Boolean and = nand(nand, nand); -// Boolean nand2 = nand(xor, and); -// Boolean nand3 = nand(nand(xor, nand2), nand(and, nand2)); -// return nand(nand3, nand3); - } - - /** - * Return the XNOR of the specified Booleans. - * Boolean#xnor(Boolean) - */ - public static Boolean xnor(Boolean b1, Boolean b2) { - return not(xor(b1, b2)); -// Boolean nand = nand(b1, b2); -// Boolean xor = nand(nand(b1, nand), nand(b2, nand)); -// return nand(xor, xor); - } - - - // ********** constructor ********** - - /** - * Suppress default constructor, ensuring non-instantiability. - */ - private BooleanTools() { - super(); - throw new UnsupportedOperationException(); - } - -} |