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1 /*******************************************************************************
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2 * Copyright (c) 2006, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 *******************************************************************************/
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11
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12 module org.eclipse.core.databinding.observable.set.SetDiff;
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13
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14 import java.lang.all;
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15
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16 import java.util.Set;
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17
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18 /**
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19 * @since 1.0
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20 *
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21 */
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22 public abstract class SetDiff {
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23
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24 /**
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25 * @return the set of added elements
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26 */
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27 public abstract Set getAdditions();
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28
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29 /**
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30 * @return the set of removed elements
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31 */
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32 public abstract Set getRemovals();
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33
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34 /**
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35 * @see java.lang.Object#toString()
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36 */
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37 public String toString() {
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38 StringBuffer buffer = new StringBuffer();
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39 buffer
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40 .append(getClass().getName())
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41 .append("{additions [") //$NON-NLS-1$
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42 .append(getAdditions() !is null ? getAdditions().toString() : "null") //$NON-NLS-1$
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43 .append("], removals [") //$NON-NLS-1$
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44 .append(getRemovals() !is null ? getRemovals().toString() : "null") //$NON-NLS-1$
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45 .append("]}"); //$NON-NLS-1$
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46
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47 return buffer.toString();
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48 }
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49 }
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