/* // $Id: //guest/julian_hyde/saffron/src/main/saffron/runtime/SaffronUtil.java#1 $ // Saffron preprocessor and data engine // Copyright (C) 2002 Julian Hyde <julian.hyde@mail.com> // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Library General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Library General Public License for more details. // // You should have received a copy of the GNU Library General Public // License along with this library; if not, write to the // Free Software Foundation, Inc., 59 Temple Place - Suite 330, // Boston, MA 02111-1307, USA. // // See the COPYING file located in the top-level-directory of // the archive of this library for complete text of license. */ package saffron.runtime; import java.lang.reflect.Array; import java.util.Collection; import java.util.Iterator; import java.util.Vector; /** * Miscellaneous utility functions used by generated code. * * @author jhyde * @since 27 October, 2001 * @version $Id: //guest/julian_hyde/saffron/src/main/saffron/runtime/SaffronUtil.java#1 $ **/ public class SaffronUtil { /** * Copies a vector into a <code>boolean</code> array. Equivalent to {@link * Vector#copyInto}. **/ public static boolean[] copyInto(Vector v, boolean[] a) { int n = v.size(); if (a.length < n) { a = new boolean[n]; } for (int i = 0; i < n; i++) { a[i] = ((Boolean) v.elementAt(i)).booleanValue(); } return a; } /** * Copies a vector into a <code>int</code> array. Equivalent to {@link * Vector#copyInto}. **/ public static int[] copyInto(Vector v, int[] a) { int n = v.size(); if (a.length < n) { a = new int[n]; } for (int i = 0; i < n; i++) { a[i] = ((Integer) v.elementAt(i)).intValue(); } return a; } /** * Copies a vector into an array. If the array is not large enough, * allocates a new array with the same component type as <code>a</code>. **/ public static Object[] copyInto(Vector v, Object[] a) { int n = v.size(); if (a.length < n) { Class clazz = a.getClass().getComponentType(); a = (Object[]) Array.newInstance(clazz, n); } v.copyInto(a); return a; } /** * Copies a collection into a <code>boolean</code> array. Equivalent to * {@link Collection#toArray(Object[])}. **/ public static boolean[] copyInto(Collection v, boolean[] a) { int n = v.size(); if (a.length < n) { a = new boolean[n]; } int i = 0; for (Iterator iter = v.iterator(); iter.hasNext(); ) { a[i++] = ((Boolean) iter.next()).booleanValue(); } return a; } /** * Copies a collection into an <code>int</code> array. Equivalent to {@link * Collection#toArray(Object[])}. **/ public static int[] copyInto(Collection v, int[] a) { int n = v.size(); if (a.length < n) { a = new int[n]; } int i = 0; for (Iterator iter = v.iterator(); iter.hasNext(); ) { a[i++] = ((Integer) iter.next()).intValue(); } return a; } /** * Copies a collection into an array. If the array is not large enough, * allocates a new array with the same component type as * <code>a</code>. Equivalent to {@link Collection#toArray(Object[])}. **/ public static Object[] copyInto(Collection c, Object[] a) { return c.toArray(a); } } // End SaffronUtil.java
# | Change | User | Description | Committed | |
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#3 | 1801 | Julian Hyde |
saffron: add ObjectSchema; rules can now be matched more than once; started to implement correlations in queries in from list. |
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#2 | 1474 | Julian Hyde |
saffron: Aggregations are working. Renamed 'aggregator' to 'aggregation'. |
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#1 | 1467 | Julian Hyde |
saffron: First saffron check-in; incorporate my changes to openjava. |