private void testVersion() { String fileName = getBaseDir() + "/testVersion.h3"; FileUtils.delete(fileName); MVStore s; s = openStore(fileName); MVMap<String, String> m; s = openStore(fileName); m = s.openMap("data", String.class, String.class); long first = s.getCurrentVersion(); s.incrementVersion(); m.put("1", "Hello"); m.put("2", "World"); for (int i = 10; i < 20; i++) { m.put("" + i, "data"); } long old = s.getCurrentVersion(); s.incrementVersion(); m.put("1", "Hallo"); m.put("2", "Welt"); MVMap<String, String> mFirst; mFirst = m.openVersion(first); assertEquals(0, mFirst.size()); MVMap<String, String> mOld; assertEquals("Hallo", m.get("1")); assertEquals("Welt", m.get("2")); mOld = m.openVersion(old); assertEquals("Hello", mOld.get("1")); assertEquals("World", mOld.get("2")); assertTrue(mOld.isReadOnly()); s.getCurrentVersion(); s.setRetainChunk(0); long old2 = s.store(); // the old version is still available assertEquals("Hello", mOld.get("1")); assertEquals("World", mOld.get("2")); m.put("1", "Hi"); assertEquals("Welt", m.remove("2")); s.store(); s.close(); s = openStore(fileName); m = s.openMap("data", String.class, String.class); assertEquals("Hi", m.get("1")); assertEquals(null, m.get("2")); mOld = m.openVersion(old2); assertEquals("Hallo", mOld.get("1")); assertEquals("Welt", mOld.get("2")); s.close(); }
private void testMeta() { String fileName = getBaseDir() + "/testMeta.h3"; FileUtils.delete(fileName); MVStore s = openStore(fileName); MVMap<String, String> m = s.getMetaMap(); s.setRetainChunk(0); MVMap<String, String> data = s.openMap("data", String.class, String.class); data.put("1", "Hello"); data.put("2", "World"); s.store(); assertEquals("1/0///", m.get("map.data")); assertTrue(m.containsKey("chunk.1")); assertEquals("Hello", data.put("1", "Hallo")); s.store(); assertEquals("1/0///", m.get("map.data")); assertTrue(m.get("root.1").length() > 0); assertTrue(m.containsKey("chunk.1")); assertTrue(m.containsKey("chunk.2")); s.rollbackTo(1); assertTrue(m.containsKey("chunk.1")); assertFalse(m.containsKey("chunk.2")); s.close(); }
private void testRollbackStored() { String fileName = getBaseDir() + "/testRollback.h3"; FileUtils.delete(fileName); MVMap<String, String> meta; MVStore s = openStore(fileName); assertEquals(-1, s.getRetainChunk()); s.setRetainChunk(0); assertEquals(0, s.getRetainChunk()); assertEquals(0, s.getCurrentVersion()); assertFalse(s.hasUnsavedChanges()); MVMap<String, String> m = s.openMap("data", String.class, String.class); assertTrue(s.hasUnsavedChanges()); MVMap<String, String> m0 = s.openMap("data0", String.class, String.class); m.put("1", "Hello"); assertEquals(1, s.incrementVersion()); s.rollbackTo(1); assertEquals("Hello", m.get("1")); long v2 = s.store(); assertEquals(2, v2); assertEquals(2, s.getCurrentVersion()); assertFalse(s.hasUnsavedChanges()); s.close(); s = openStore(fileName); assertEquals(2, s.getCurrentVersion()); s.setRetainChunk(0); meta = s.getMetaMap(); m = s.openMap("data", String.class, String.class); m0 = s.openMap("data0", String.class, String.class); MVMap<String, String> m1 = s.openMap("data1", String.class, String.class); m.put("1", "Hallo"); m0.put("1", "Hallo"); m1.put("1", "Hallo"); assertEquals("Hallo", m.get("1")); assertEquals("Hallo", m1.get("1")); assertTrue(s.hasUnsavedChanges()); s.rollbackTo(v2); assertFalse(s.hasUnsavedChanges()); assertNull(meta.get("map.data1")); assertNull(m0.get("1")); assertEquals("Hello", m.get("1")); assertEquals(2, s.store()); s.close(); s = openStore(fileName); s.setRetainChunk(0); assertEquals(2, s.getCurrentVersion()); meta = s.getMetaMap(); assertTrue(meta.get("map.data") != null); assertTrue(meta.get("map.data0") != null); assertNull(meta.get("map.data1")); m = s.openMap("data", String.class, String.class); m0 = s.openMap("data0", String.class, String.class); assertNull(m0.get("1")); assertEquals("Hello", m.get("1")); assertFalse(m0.isReadOnly()); m.put("1", "Hallo"); s.incrementVersion(); assertEquals(3, s.getCurrentVersion()); long v4 = s.store(); assertEquals(4, v4); assertEquals(4, s.getCurrentVersion()); s.close(); s = openStore(fileName); s.setRetainChunk(0); m = s.openMap("data", String.class, String.class); m.put("1", "Hello"); s.store(); s.close(); s = openStore(fileName); s.setRetainChunk(0); m = s.openMap("data", String.class, String.class); assertEquals("Hello", m.get("1")); s.rollbackTo(v4); assertEquals("Hallo", m.get("1")); s.close(); s = openStore(fileName); s.setRetainChunk(0); m = s.openMap("data", String.class, String.class); assertEquals("Hallo", m.get("1")); s.close(); }