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

Example 1 with LogFileCache

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

the class DeleteLogTest method testGetLastLogLogFileCache.

/**
	 * Test the getLastLog after deletion of logs for LogFileCache
	 * 
	 * @throws Exception
	 */
public void testGetLastLogLogFileCache() throws Exception {
    // First test the LogFileCache
    LogFileCache cache = new LogFileCache();
    assertNull("Error getting the first log from an empty cache", cache.getFirstLog());
    Vector<ILogEntry> c = (Vector<ILogEntry>) CacheUtils.generateLogs(4096);
    for (ILogEntry temp : c) {
        cache.add(temp);
    }
    assertEquals("Wrong number of logs in cache", cache.getSize(), c.size());
    for (int t = 4095; t < 2048; t--) {
        cache.deleteLog(t);
        assertEquals("Error getting the last log", cache.getLastLog(), new Integer(t - 1));
    }
}

Example 2 with LogFileCache

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

the class DeleteLogTest method testDeleteLogsFromLogFileCache.

/**
	 * Test the deletion of a collection of logs from
	 * LogFileCache
	 * 
	 * @throws Exception
	 */
public void testDeleteLogsFromLogFileCache() throws Exception {
    // Fills the cache
    LogFileCache cache = new LogFileCache();
    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(4094, 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 LogFileCache();
    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 3 with LogFileCache

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

the class DeleteLogTest method testLogFileCacheDelete.

/**
	 * Test the deletion of logs in the LogFileCache
	 * The test delete the first log, the last log and one log in the
	 * middel of the cache. After each deletion a bounce of checks assure
	 * the integrity of the cache
	 * 
	 * LogFileCache has no cache/buffering inmemory se we can
	 * test with few logs
	 *
	 */
public void testLogFileCacheDelete() throws Exception {
    // Create and populate the cache
    Collection<ILogEntry> c = CacheUtils.generateLogs(512);
    LogFileCache cache;
    cache = new LogFileCache();
    for (ILogEntry temp : c) {
        cache.add(temp);
    }
    assertEquals("Wrong number of log in cache", cache.getSize(), c.size());
    // Delete the first log
    cache.deleteLog(0);
    // Check if the right log has been deleted
    ILogEntry log = null;
    boolean deletedLog = false;
    try {
        log = cache.getLog(0);
    } catch (LogCacheException e) {
        deletedLog = true;
    }
    assertTrue("The deleted log is still in cache", deletedLog);
    assertEquals("The size of the cache is wrong", cache.getSize(), 511);
    // Delete the last log
    cache.deleteLog(511);
    // Check if the last log is ok
    assertEquals("The size of the cache is wrong", cache.getSize(), 510);
    log = cache.getLog(510);
    int logNumber = Integer.parseInt((String) log.getField(LogField.LOGMESSAGE));
    assertEquals("The log in last position is wrong", logNumber, 510);
    // Delete a log in pos 100 
    cache.deleteLog(100);
    assertEquals("The size of the cache is wrong", cache.getSize(), 509);
    // The record before the deleted record
    ILogEntry log1 = cache.getLog(99);
    logNumber = Integer.parseInt((String) log1.getField(LogField.LOGMESSAGE));
    assertEquals("The log in position 99 is wrong", logNumber, 99);
    // The record after the deleted one
    ILogEntry log2 = cache.getLog(101);
    logNumber = Integer.parseInt((String) log2.getField(LogField.LOGMESSAGE));
    assertEquals("The log in position 101 is wrong", logNumber, 101);
    // Try to delete a log not in the cache
    boolean gotAnException = false;
    try {
        cache.deleteLog(1500);
    } catch (LogCacheException e) {
        gotAnException = true;
    }
    assertTrue("Error deleting a log not in cache", gotAnException);
}

Example 4 with LogFileCache

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

the class DeleteLogTest method testDeleteAllFromLogFileCache.

/**
	 * 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 
	 * 
	 * @throws Exception
	 */
public void testDeleteAllFromLogFileCache() throws Exception {
    //	Create and populate the cache
    Vector<ILogEntry> v = (Vector<ILogEntry>) CacheUtils.generateLogs(512);
    HashMap<Integer, ILogEntry> logs = new HashMap<Integer, ILogEntry>();
    LogFileCache cache;
    cache = new LogFileCache();
    for (ILogEntry temp : v) {
        int key = cache.add(temp);
        logs.put(key, temp);
    }
    assertEquals("Wrong number of log in cache", cache.getSize(), logs.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 5 with LogFileCache

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

the class DeleteLogTest method testGetFirstLogLogFileCache.

/**
	 * Test the getFirstLog after deletion of logs for LogFileCache
	 * 
	 * @throws Exception
	 */
public void testGetFirstLogLogFileCache() throws Exception {
    // First test the LogFileCache
    LogFileCache cache = new LogFileCache();
    assertNull("Error getting the first log from an empty cache", cache.getFirstLog());
    Vector<ILogEntry> c = (Vector<ILogEntry>) CacheUtils.generateLogs(4096);
    for (ILogEntry temp : c) {
        cache.add(temp);
    }
    assertEquals("Wrong number of logs in cache", cache.getSize(), c.size());
    for (int t = 0; t < 2048; t++) {
        cache.deleteLog(t);
        assertEquals("Error getting the first log", cache.getFirstLog(), new Integer(t + 1));
    }
}