diff options
Diffstat (limited to 'plugins/org.eclipse.wst.common.frameworks/src/org/eclipse/wst/common/frameworks/internal/enablement/IdentifiableComparator.java')
-rw-r--r-- | plugins/org.eclipse.wst.common.frameworks/src/org/eclipse/wst/common/frameworks/internal/enablement/IdentifiableComparator.java | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/plugins/org.eclipse.wst.common.frameworks/src/org/eclipse/wst/common/frameworks/internal/enablement/IdentifiableComparator.java b/plugins/org.eclipse.wst.common.frameworks/src/org/eclipse/wst/common/frameworks/internal/enablement/IdentifiableComparator.java deleted file mode 100644 index 0df26cf21..000000000 --- a/plugins/org.eclipse.wst.common.frameworks/src/org/eclipse/wst/common/frameworks/internal/enablement/IdentifiableComparator.java +++ /dev/null @@ -1,77 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2003, 2005 IBM Corporation and others. - * 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: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.wst.common.frameworks.internal.enablement; - - -/** - * @author mdelder - * - */ -public class IdentifiableComparator implements java.util.Comparator { - - protected static final int GREATER_THAN = 1; - - protected static final int LESS_THAN = -1; - - protected static final int EQUAL = 0; - - protected static final IdentifiableComparator instance = new IdentifiableComparator(); - - private static final int DEFAULT_PRIORITY = Integer.MAX_VALUE; - - public static IdentifiableComparator getInstance() { - return instance; - } - - /* - * (non-Javadoc) - * - * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object) - */ - public int compare(Object o1, Object o2) { - Identifiable lvalue = null; - Identifiable rvalue = null; - if (o1 instanceof Identifiable) - lvalue = (Identifiable) o1; - if (o2 instanceof Identifiable) - rvalue = (Identifiable) o2; - - if (rvalue == null) - return GREATER_THAN; - if (lvalue == null) - return LESS_THAN; - - if ((lvalue.getID() == null && rvalue.getID() == null) || (getPriority(lvalue) == getPriority(rvalue))) - return compareLoadOrder(lvalue, rvalue); - /* R - L implies 0 is the highest priority */ - return getPriority(lvalue) - getPriority(rvalue); - } - - /* - * (non-Javadoc) - * - * @see java.util.Comparator#equals(java.lang.Object) - */ - public boolean equals(Object obj) { - return obj instanceof IdentifiableComparator; - } - - private int compareLoadOrder(Identifiable lvalue, Identifiable rvalue) { - /* R - L implies 0 is the highest priority */ - return lvalue.getLoadOrder() - rvalue.getLoadOrder(); - } - - public int getPriority(Identifiable identifiable) { - if (identifiable.getID() != null && identifiable.getID().length() > 0) - return FunctionGroupRegistry.getInstance().getFunctionPriority(identifiable.getID()); - return DEFAULT_PRIORITY; - } -} |