Examples with LogBufferedFileCache com.cosylab.logging.client.cache.LogBufferedFileCache used on opensource projects

Example 1 with LogBufferedFileCache

use of com.cosylab.logging.client.cache.LogBufferedFileCache in project ACS by ACS-Community.

the class DeleteLogTest method testDeleteAllFromLogBufferedFileCache.

/**
	 * Generate a cache and randomly delete all its logs
	 * For each deleted log, the content of the cache is
	 * checked against the content of the collection to verify 
	 * the consistency its content
	 * 
	 * The tests check 2 cases:
	 *    1 all the logs in the buffer
	 *    2 some log on disk and the others in the buffer
	 * 
	 * @throws Exception
	 */
public void testDeleteAllFromLogBufferedFileCache() throws Exception {
    //   - testN=1: the logs are part in the buffer and part on disk
    for (int testN = 0; testN < 2; testN++) {
        Vector<ILogEntry> v = (Vector<ILogEntry>) CacheUtils.generateLogs(512);
        HashMap<Integer, ILogEntry> logs = new HashMap<Integer, ILogEntry>();
        LogBufferedFileCache cache;
        try {
            if (testN == 0) {
                cache = new LogBufferedFileCache(v.size() + 1);
            } else {
                cache = new LogBufferedFileCache(v.size() / 2 + 1);
            }
        } catch (LogCacheException lce) {
            System.out.println("Error creating the LogBufferedFileCache");
            throw lce;
        }
        for (ILogEntry temp : v) {
            Integer key = cache.add(temp);
            logs.put(key, temp);
        }
        assertTrue("Wrong number of log in cache", cache.getSize() == v.size());
        Random rnd = new Random(Calendar.getInstance().getTimeInMillis());
        while (logs.size() > 0) {
            int index = rnd.nextInt(logs.size());
            Set<Integer> s = logs.keySet();
            Object[] keys = s.toArray();
            Integer key = (Integer) keys[index];
            cache.deleteLog(key);
            logs.remove(key);
            assertEquals("The size of the cache and the collection differs", logs.size(), cache.getSize());
            s = logs.keySet();
            Iterator<Integer> iter = s.iterator();
            while (iter.hasNext()) {
                key = iter.next();
                assertEquals("Content of LogFileCache and collection differs", cache.getLog(key).getField(LogField.LOGMESSAGE), logs.get(key).getField(LogField.LOGMESSAGE));
            }
        }
    }
}

Example 2 with LogBufferedFileCache

use of com.cosylab.logging.client.cache.LogBufferedFileCache in project ACS by ACS-Community.

the class DeleteLogTest method testLogBufferedFileCacheDelete.

/**
	 * Test the deletion of logs in LogBufferedFileCache
	 * with all the logs in the buffer (i.e. the size of the buffer
	 * is so big to store all the allocated logs)
	 * 
	 * @throws Exception
	 */
public void testLogBufferedFileCacheDelete() throws Exception {
    //	Create and populate the cache
    Collection<ILogEntry> c = CacheUtils.generateLogs(512);
    LogBufferedFileCache cache;
    try {
        // Enough room for all the logs in the collection
        cache = new LogBufferedFileCache(c.size() + 1);
    } catch (LogCacheException lce) {
        System.out.println("Error creating the LogBufferedFileCache");
        throw lce;
    }
    for (ILogEntry temp : c) {
        cache.add(temp);
    }
    assertEquals("Wrong number of log in cache", cache.getSize(), c.size());
    assertEquals("Wrong number of logs in buffer ", cache.getBufferSize(), c.size());
    // Delete the first log (this is not in the buffer)
    cache.deleteLog(0);
    ILogEntry log = null;
    boolean deletedLog = false;
    try {
        log = cache.getLog(0);
    } catch (LogCacheException e) {
        deletedLog = true;
    }
    assertEquals("The LogBufferedFileCache has wrong size", cache.getSize(), 511);
    assertEquals("Wrong number of logs in buffer ", cache.getBufferSize(), 511);
    assertTrue("The log is still in cache", deletedLog);
    // Remove the last log in cache
    cache.deleteLog(511);
    assertEquals("Wrong number of log in cache", cache.getSize(), 510);
    assertEquals("Wrong number of logs in buffer ", cache.getBufferSize(), 510);
    log = cache.getLog(510);
    int logNum = Integer.parseInt((String) (log.getField(LogField.LOGMESSAGE)));
    assertEquals("Wrong content", logNum, 510);
    // Remove one log from the middle
    // The content in pos 100 (its content is 101 because 0 was deleted)
    cache.deleteLog(100);
    assertEquals("Wrong number of log in cache", cache.getSize(), 509);
    assertEquals("Wrong number of logs in buffer ", cache.getBufferSize(), 509);
    ILogEntry log1 = cache.getLog(99);
    logNum = Integer.parseInt((String) (log1.getField(LogField.LOGMESSAGE)));
    assertEquals("Wrong content", logNum, 99);
    ILogEntry log2 = cache.getLog(101);
    logNum = Integer.parseInt((String) (log2.getField(LogField.LOGMESSAGE)));
    assertEquals("Wrong content", logNum, 101);
}

Example 3 with LogBufferedFileCache

use of com.cosylab.logging.client.cache.LogBufferedFileCache in project ACS by ACS-Community.

the class DeleteLogTest method testDeleteLogsFromLogBufferedFileCache.

/**
	 * Test the deletion of a collection of logs from
	 * LogBufferedFileCache
	 * 
	 * @throws Exception
	 */
public void testDeleteLogsFromLogBufferedFileCache() throws Exception {
    // Fills the cache
    LogBufferedFileCache cache = new LogBufferedFileCache();
    assertNull("Error getting the first log from an empty cache", cache.getFirstLog());
    Vector<ILogEntry> c = (Vector<ILogEntry>) CacheUtils.generateLogs(4096);
    Vector<Integer> keysInCache = new Vector<Integer>(c.size());
    for (ILogEntry temp : c) {
        Integer key = cache.add(temp);
        keysInCache.add(key);
    }
    assertEquals("Wrong number of logs in cache", cache.getSize(), c.size());
    // Delete an empty collection of keys
    Vector<Integer> empty = new Vector<Integer>();
    cache.deleteLogs(empty);
    assertEquals("Wrong size after deleting an empty collection of keys", c.size(), cache.getSize());
    // Delete a collection with the first and last key
    Vector<Integer> firstLast = new Vector<Integer>(2);
    firstLast.add(0);
    firstLast.add(4095);
    cache.deleteLogs(firstLast);
    assertEquals("Wrong size after deletion", c.size() - 2, cache.getSize());
    // Check if 0 and 4095 in cache
    ILogEntry log0;
    try {
        log0 = cache.getLog(0);
    } catch (LogCacheException e) {
        log0 = null;
    }
    assertNull("The log with key 0 is still in cache", log0);
    ILogEntry log4095;
    try {
        log4095 = cache.getLog(4095);
    } catch (LogCacheException e) {
        log4095 = null;
    }
    assertNull("The log with key 4095 is still in cache", log4095);
    // Remove a random collection
    keysInCache.remove(new Integer(0));
    keysInCache.remove(new Integer(4095));
    Collection<Integer> keys = CacheUtils.generateKeys(4095, false, 1, 4094, keysInCache);
    int oldSz = cache.getSize();
    cache.deleteLogs(keys);
    assertEquals("Wrong size after deletion", oldSz - keys.size(), cache.getSize());
    // Check the content of the cache after deletion
    for (Integer key : keysInCache) {
        ILogEntry log;
        try {
            log = cache.getLog(key);
        } catch (LogCacheException e) {
            log = null;
        }
        if (keys.contains(key)) {
            // This log should have been deleted
            assertNull("The log should have been deleted", log);
        } else {
            assertNotNull("The log should have not been deleted", log);
        }
    }
    // Release the cache
    cache.clear();
    keysInCache.clear();
    keysInCache = null;
    c.clear();
    c = null;
    cache = null;
    // Create a new cache to test the deletion of the whole cache
    cache = new LogBufferedFileCache();
    c = (Vector<ILogEntry>) CacheUtils.generateLogs(1024);
    keysInCache = new Vector<Integer>(c.size());
    for (ILogEntry temp : c) {
        Integer key = cache.add(temp);
        keysInCache.add(key);
    }
    assertEquals("Wrong number of logs in cache", cache.getSize(), c.size());
    cache.deleteLogs(keysInCache);
    assertEquals("Not all the logs have been deleted", cache.getSize(), 0);
}

Example 4 with LogBufferedFileCache

use of com.cosylab.logging.client.cache.LogBufferedFileCache in project ACS by ACS-Community.

the class DeleteLogTest method testGetLastLogLogBufferedFileCache.

/**
	 * Test the getLastLog after deletion of logs for LogBufferedFileCache
	 * 
	 * @throws Exception
	 */
public void testGetLastLogLogBufferedFileCache() throws Exception {
    // First test the LogFileCache
    Vector<ILogEntry> c = (Vector<ILogEntry>) CacheUtils.generateLogs(4096);
    LogBufferedFileCache cache = new LogBufferedFileCache(2049);
    assertNull("Error getting the first log from an empty cache", cache.getFirstLog());
    for (ILogEntry temp : c) {
        cache.add(temp);
    }
    assertEquals("Wrong number of logs in cache", cache.getSize(), c.size());
    // We have half logs in the buffer
    assertEquals("Wrong number of logs in buffer", cache.getBufferSize(), 2047);
    for (int t = 4095; t < 1000; t++) {
        cache.deleteLog(t);
        assertEquals("Error getting the first log", cache.getLastLog(), new Integer(t - 1));
    }
}

Example 5 with LogBufferedFileCache

use of com.cosylab.logging.client.cache.LogBufferedFileCache in project ACS by ACS-Community.

the class DeleteLogTest method testGetFirstLogLogBufferedFileCache.

/**
	 * Test the getFirstLog after deletion of logs for LogBufferedFileCache
	 * 
	 * @throws Exception
	 */
public void testGetFirstLogLogBufferedFileCache() throws Exception {
    // First test the LogFileCache
    Vector<ILogEntry> c = (Vector<ILogEntry>) CacheUtils.generateLogs(4096);
    LogBufferedFileCache cache = new LogBufferedFileCache(2049);
    assertNull("Error getting the first log from an empty cache", cache.getFirstLog());
    for (ILogEntry temp : c) {
        cache.add(temp);
    }
    assertEquals("Wrong number of logs in cache", cache.getSize(), c.size());
    // We have half logs in the buffer
    assertEquals("Wrong number of logs in buffer", cache.getBufferSize(), 2047);
    for (int t = 0; t < 3000; t++) {
        cache.deleteLog(t);
        assertEquals("Error getting the first log", cache.getFirstLog(), new Integer(t + 1));
    }
}