diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/NotNullFilter.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/NotNullFilter.java | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/NotNullFilter.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/NotNullFilter.java deleted file mode 100644 index 386325b160..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/NotNullFilter.java +++ /dev/null @@ -1,51 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2009, 2010 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.utility.internal; - -import java.io.Serializable; - -import org.eclipse.jpt.utility.Filter; - -/** - * This filter accepts only non-null objects. - */ -public final class NotNullFilter<T> - implements Filter<T>, Serializable -{ - @SuppressWarnings("rawtypes") - public static final Filter INSTANCE = new NotNullFilter(); - - @SuppressWarnings("unchecked") - public static <R> Filter<R> instance() { - return INSTANCE; - } - - // ensure single instance - private NotNullFilter() { - super(); - } - - // accept only non-null objects - public boolean accept(T o) { - return o != null; - } - - @Override - public String toString() { - return this.getClass().getSimpleName(); - } - - private static final long serialVersionUID = 1L; - private Object readResolve() { - // replace this object with the singleton - return INSTANCE; - } - -} |