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

Example 1 with LogCache

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

the class DeleteLogTest method testDeleteAllFromLogCache.

/**
	 * 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. Such test is done comparing the content 
	 * of the maessage of the log with the content of the collection
	 * The test check also the consistency of the arrays of times and types
	 * (logTimes and logTypes in LogCache)
	 * At each iteration we try to fill the in-memory cache because 
	 * we must stress this part.
	 * 
	 * @throws Exception
	 */
public void testDeleteAllFromLogCache() throws Exception {
    //	Create and populate the cache
    Vector<ILogEntry> v = (Vector<ILogEntry>) CacheUtils.generateLogs(512);
    HashMap<Integer, ILogEntry> logs = new HashMap<Integer, ILogEntry>();
    LogCache cache;
    try {
        cache = new LogCache(128);
    } catch (LogCacheException lce) {
        System.out.println("Error creating the LogFileCache");
        throw lce;
    }
    for (ILogEntry temp : v) {
        Integer 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) {
        // Fill the in-memory cache executing some getLog()
        int filled = 0;
        int index = rnd.nextInt(logs.size());
        Set<Integer> s = logs.keySet();
        Object[] keys = s.toArray();
        int temp = 0;
        while (temp < logs.size() && filled < 128) {
            Integer key = (Integer) keys[temp++];
            filled++;
            cache.getLog(key);
        }
        index = rnd.nextInt(logs.size());
        s = logs.keySet();
        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();
            // Compare the content of the Collection and that of the cache
            assertEquals("Content of LogCache and collection differs", cache.getLog(key).getField(LogField.LOGMESSAGE), logs.get(key).getField(LogField.LOGMESSAGE));
            assertEquals("The types differ", cache.getLog(key).getField(LogField.ENTRYTYPE), cache.getLogType(key));
            assertEquals("The times differ", ((Long) cache.getLog(key).getField(LogField.TIMESTAMP)), cache.getLogTimestamp(key));
        }
    }
}

Example 2 with LogCache

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

the class DeleteLogTest method testDeleteLogsFromLogCache.

/**
	 * Test the deletion of a collection of logs from
	 * LogCache
	 * 
	 * @throws Exception
	 */
public void testDeleteLogsFromLogCache() throws Exception {
    // Fills the cache
    LogCache cache = new LogCache();
    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 LogCache();
    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 LogCache

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

the class DeleteLogTest method testLogCacheDelete.

/**
	 * 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 testLogCacheDelete() throws Exception {
    // Create and populate the cache
    Collection<ILogEntry> c = CacheUtils.generateLogs(512);
    LogCache cache;
    try {
        cache = new LogCache(128);
    } catch (LogCacheException lce) {
        System.out.println("Error creating the LogFileCache");
        throw lce;
    }
    for (ILogEntry temp : c) {
        cache.add(temp);
    }
    assertTrue("Wrong number of log in cache", cache.getSize() == c.size());
    // move logs into the in-memory cache
    for (int t = 0; t < 128; t++) {
        cache.getLog(t);
    }
    // Delete the log in pos 0 (it is also in the in-memory cache)
    cache.deleteLog(0);
    // Check if the right log has been deleted
    ILogEntry log;
    boolean logDeleted = false;
    try {
        log = cache.getLog(0);
    } catch (LogCacheException e) {
        logDeleted = true;
    }
    assertTrue("The log has not been deleted", logDeleted);
    assertEquals("The size of the cache is wrong", cache.getSize(), 511);
    // Fill again the cache
    for (int t = 1; t < 129; t++) {
        cache.getLog(t);
    }
    // Delete the last log in cache (it is not in the in-memory cache)
    cache.deleteLog(510);
    assertEquals("The size of the cache is wrong", cache.getSize(), 510);
    log = cache.getLog(509);
    int logNum = Integer.parseInt((String) log.getField(LogField.LOGMESSAGE));
    assertEquals("The log in last position is wrong", logNum, 509);
    // Get one log from the middle (it is till in the in-memory cache)
    // The content in pos 100 is 101 because 0 was deleted
    cache.deleteLog(100);
    assertEquals("Wrong number of log in cache", cache.getSize(), 509);
    ILogEntry log1 = cache.getLog(99);
    logNum = Integer.parseInt((String) (log1.getField(LogField.LOGMESSAGE)));
    assertEquals("Wrong content", logNum, 99);
    ILogEntry log3 = cache.getLog(101);
    logNum = Integer.parseInt((String) (log3.getField(LogField.LOGMESSAGE)));
    assertEquals("Wrong content", logNum, 101);
    logDeleted = false;
    try {
        log = cache.getLog(100);
    } catch (LogCacheException e) {
        logDeleted = true;
    }
    assertTrue("The log has not been deleted", logDeleted);
}

Example 4 with LogCache

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

the class DeleteLogTest method testContent.

/**
	 * Check the content of the cache (LogCache)
	 * 
	 * @throws Exception
	 */
public void testContent() throws Exception {
    LogCache cache = new LogCache();
    Vector<ILogEntry> c = (Vector<ILogEntry>) CacheUtils.generateLogs(4096);
    for (ILogEntry temp : c) {
        cache.add(temp);
    }
    assertEquals("Lengths differ", cache.getSize(), c.size());
    for (int t = 0; t < c.size(); t++) {
        ILogEntry logCache = cache.getLog(t);
        ILogEntry logVector = c.get(t);
        assertEquals("Log msgs differ", logCache.getField(LogField.LOGMESSAGE), logVector.getField(LogField.LOGMESSAGE));
        assertEquals("Log type differ", logCache.getField(LogField.ENTRYTYPE), logVector.getField(LogField.ENTRYTYPE));
        assertEquals("Log time differ", logCache.getField(LogField.TIMESTAMP), logVector.getField(LogField.TIMESTAMP));
    }
}