-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.db.impl.query;\r
-\r
-import java.util.Arrays;\r
-\r
-\r
-final public class IntArray {\r
-\r
- public static IntArray EMPTY = new IntArray();\r
- \r
- public int[] data;\r
-\r
- /** the index after the last entry in the list */\r
- public int sizeOrData;\r
-\r
- /** the default capacity for new lists */\r
- protected static final int DEFAULT_CAPACITY = 3;\r
-\r
- protected static final int NO_DATA = -1;\r
-\r
- public IntArray() {\r
- data = null;\r
- sizeOrData = NO_DATA;\r
- }\r
-\r
- /**\r
- * Returns the number of values in the list.\r
- *\r
- * @return the number of values in the list.\r
- */\r
- public int size() {\r
- return data != null ? sizeOrData : (sizeOrData != NO_DATA ? 1 : 0);\r
- }\r
-\r
- /**\r
- * Tests whether this list contains any values.\r
- *\r
- * @return true if the list is empty.\r
- */\r
- public boolean isEmpty() {\r
- return sizeOrData == NO_DATA;\r
- }\r
-\r
-// /**\r
-// * Sheds any excess capacity above and beyond the current size of\r
-// * the list.\r
-// */\r
-// public void trimToSize() {\r
-// if (_data.length > size()) {\r
-// int[] tmp = new int[size()];\r
-// toNativeArray(tmp, 0, tmp.length);\r
-// _data = tmp;\r
-// }\r
-// }\r
-\r
- // modifying\r
-\r
- public void trim() {\r
- if(data != null) {\r
- int[] newData = new int[sizeOrData];\r
- System.arraycopy(data, 0, newData, 0, sizeOrData);\r
- data = newData;\r
- }\r
- }\r
- \r
- /**\r
- * Adds <tt>val</tt> to the end of the list, growing as needed.\r
- *\r
- * @param val an <code>int</code> value\r
- */\r
- public void add(int val) {\r
- if(data == null) {\r
- if(sizeOrData == NO_DATA) {\r
- sizeOrData = val;\r
- } else {\r
- data = new int[DEFAULT_CAPACITY];\r
- data[0] = sizeOrData;\r
- data[1] = val;\r
- sizeOrData = 2;\r
- }\r
- } else {\r
- if(data.length == sizeOrData) {\r
- int newCap = data.length << 1;\r
- int[] tmp = new int[newCap];\r
- System.arraycopy(data, 0, tmp, 0, data.length);\r
- data = tmp;\r
- data[sizeOrData++] = val;\r
- } else {\r
- data[sizeOrData++] = val;\r
- }\r
- }\r
- }\r
- \r
- int[] toArray() {\r
- int size = size();\r
- int[] result = new int[size];\r
- if(size == 1) {\r
- result[0] = sizeOrData; \r
- } else {\r
- System.arraycopy(data, 0, result, 0, size);\r
- }\r
- return result;\r
- }\r
- \r
- @Override\r
- public boolean equals(Object object) {\r
- if (this == object)\r
- return true;\r
- else if (object == null)\r
- return false;\r
- else if (IntArray.class != object.getClass())\r
- return false;\r
- IntArray r = (IntArray)object;\r
-// System.out.println("equals " + this + " vs. " + r);\r
- return sizeOrData == r.sizeOrData && Arrays.equals(data, r.data);\r
- }\r
- \r
- @Override\r
- public String toString() {\r
- return "IntArray " + sizeOrData + " " + Arrays.toString(data);\r
- }\r
- \r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.impl.query;
+
+import java.util.Arrays;
+
+
+final public class IntArray {
+
+ public static IntArray EMPTY = new IntArray();
+
+ public int[] data;
+
+ /** the index after the last entry in the list */
+ public int sizeOrData;
+
+ /** the default capacity for new lists */
+ protected static final int DEFAULT_CAPACITY = 3;
+
+ protected static final int NO_DATA = -1;
+
+ public IntArray() {
+ data = null;
+ sizeOrData = NO_DATA;
+ }
+
+ /**
+ * Returns the number of values in the list.
+ *
+ * @return the number of values in the list.
+ */
+ public int size() {
+ return data != null ? sizeOrData : (sizeOrData != NO_DATA ? 1 : 0);
+ }
+
+ /**
+ * Tests whether this list contains any values.
+ *
+ * @return true if the list is empty.
+ */
+ public boolean isEmpty() {
+ return sizeOrData == NO_DATA;
+ }
+
+// /**
+// * Sheds any excess capacity above and beyond the current size of
+// * the list.
+// */
+// public void trimToSize() {
+// if (_data.length > size()) {
+// int[] tmp = new int[size()];
+// toNativeArray(tmp, 0, tmp.length);
+// _data = tmp;
+// }
+// }
+
+ // modifying
+
+ public void trim() {
+ if(data != null) {
+ int[] newData = new int[sizeOrData];
+ System.arraycopy(data, 0, newData, 0, sizeOrData);
+ data = newData;
+ }
+ }
+
+ /**
+ * Adds <tt>val</tt> to the end of the list, growing as needed.
+ *
+ * @param val an <code>int</code> value
+ */
+ public void add(int val) {
+ if(data == null) {
+ if(sizeOrData == NO_DATA) {
+ sizeOrData = val;
+ } else {
+ data = new int[DEFAULT_CAPACITY];
+ data[0] = sizeOrData;
+ data[1] = val;
+ sizeOrData = 2;
+ }
+ } else {
+ if(data.length == sizeOrData) {
+ int newCap = data.length << 1;
+ int[] tmp = new int[newCap];
+ System.arraycopy(data, 0, tmp, 0, data.length);
+ data = tmp;
+ data[sizeOrData++] = val;
+ } else {
+ data[sizeOrData++] = val;
+ }
+ }
+ }
+
+ int[] toArray() {
+ int size = size();
+ int[] result = new int[size];
+ if(size == 1) {
+ result[0] = sizeOrData;
+ } else {
+ System.arraycopy(data, 0, result, 0, size);
+ }
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (this == object)
+ return true;
+ else if (object == null)
+ return false;
+ else if (IntArray.class != object.getClass())
+ return false;
+ IntArray r = (IntArray)object;
+// System.out.println("equals " + this + " vs. " + r);
+ return sizeOrData == r.sizeOrData && Arrays.equals(data, r.data);
+ }
+
+ @Override
+ public String toString() {
+ return "IntArray " + sizeOrData + " " + Arrays.toString(data);
+ }
+
}
\ No newline at end of file
Code Review / simantics / platform.git / blobdiff