Fixed about 150 warns.

client/client-multi/client-java-android/src/main/java/org/kaaproject/kaa/client/logging/AndroidSqLiteDqLogStorage.java

@@ -58,10 +58,16 @@ public class AndroidSqLiteDqLogStorage implements LogStorage, LogStorageStatus {
   private SQLiteStatement updateBucketStateStatement;
   private SQLiteStatement resetBucketIdStatement;
 
+  /**
+   * Instantiates the AndroidSqLiteDqLogStorage.
+   */
   public AndroidSqLiteDqLogStorage(Context context, long maxBucketSize, int maxRecordCount) {
     this(context, PersistentLogStorageConstants.DEFAULT_DB_NAME, maxBucketSize, maxRecordCount);
   }
 
+  /**
+   * Instantiates the AndroidSqLiteDqLogStorage.
+   */
   public AndroidSqLiteDqLogStorage(Context context, String dbName, long bucketSize,
                                    int recordCount) {
     Log.i(TAG, "Connecting to db with name: " + dbName);
@@ -245,8 +251,8 @@ public void removeBucket(int recordBlockId) {
 
         if (removedRecordsCount > 0) {
           totalRecordCount -= removedRecordsCount;
-          Log.i(TAG, "Removed " + removedRecordsCount +
-                     " records from storage. Total log record count: " + totalRecordCount);
+          Log.i(TAG, "Removed " + removedRecordsCount
+              + " records from storage. Total log record count: " + totalRecordCount);
         } else {
           Log.i(TAG, "No records were removed from storage");
         }

client/client-multi/client-java-android/src/main/java/org/kaaproject/kaa/client/transport/ByteArrayBody.java

@@ -28,6 +28,9 @@ public class ByteArrayBody extends AbstractContentBody {
 
   private final String filename;
 
+  /**
+   * All-args constructor.
+   */
   public ByteArrayBody(final byte[] data, final String mimeType, final String filename) {
     super(mimeType);
     if (data == null) {

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/KaaClientProperties.java

@@ -104,6 +104,11 @@ private static void checkNotBlankProperty(String fileName, String errorMessage)
     }
   }
 
+  /**
+   * Calculates a hash for SDK properties.
+   *
+   * @return hash for SDK properties
+   */
   public byte[] getPropertiesHash() {
     if (propertiesHash == null) {
       try {

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/bootstrap/DefaultBootstrapManager.java

@@ -65,6 +65,9 @@ public class DefaultBootstrapManager implements BootstrapManager {
   private Integer serverToApply;
   private ExecutorContext executorContext;
 
+  /**
+   * All-args constructor.
+   */
   public DefaultBootstrapManager(BootstrapTransport transport, ExecutorContext executorContext,
                                  FailureListener failureListener) {
     this.transport = transport;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/GenericTransportInfo.java

@@ -30,6 +30,9 @@ public class GenericTransportInfo implements TransportConnectionInfo {
   protected final TransportProtocolId transportId;
   protected final ProtocolMetaData md;
 
+  /**
+   * All-args constructor.
+   */
   public GenericTransportInfo(ServerType serverType, ProtocolMetaData md) {
     super();
     this.serverType = serverType;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/IpTransportInfo.java

@@ -36,6 +36,9 @@ public class IpTransportInfo extends GenericTransportInfo {
   private final int port;
   private final PublicKey publicKey;
 
+  /**
+   * All-args constructor.
+   */
   public IpTransportInfo(TransportConnectionInfo parent) {
     super(parent.getServerType(), new ProtocolMetaData(parent.getAccessPointId(),
             new ProtocolVersionPair(parent.getTransportId()

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/TransportProtocolId.java

@@ -27,6 +27,9 @@ public final class TransportProtocolId {
   private final int id;
   private final int version;
 
+  /**
+   * All-args constructor.
+   */
   public TransportProtocolId(int protocolId, int protocolVersion) {
     super();
     this.id = protocolId;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/failover/DefaultFailoverManager.java

@@ -48,6 +48,9 @@ public DefaultFailoverManager(KaaChannelManager channelManager, ExecutorContext
             DEFAULT_FAILURE_RESOLUTION_TIMEOUT, DEFAULT_TIME_UNIT);
   }
 
+  /**
+   * All-args constructor.
+   */
   public DefaultFailoverManager(KaaChannelManager channelManager,
                                 ExecutorContext context,
                                 FailoverStrategy failoverStrategy,

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/failover/FailoverDecision.java

@@ -33,6 +33,9 @@ public FailoverDecision(FailoverAction action) {
     this.action = action;
   }
 
+  /**
+   * All-args constructor.
+   */
   public FailoverDecision(FailoverAction action, long retryPeriod, TimeUnit timeUnit) {
     this.action = action;
     this.retryPeriod = retryPeriod;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/failover/strategies/DefaultFailoverStrategy.java

@@ -42,13 +42,19 @@ public class DefaultFailoverStrategy implements FailoverStrategy {
   private long noConnectivityRetryPeriod;
   private TimeUnit timeUnit;
 
+  /**
+   * Instantiates the DelautFailoverStrategy.
+   */
   public DefaultFailoverStrategy() {
     this(DEFAULT_BOOTSTRAP_SERVERS_RETRY_PERIOD,
         DEFAULT_OPERATION_SERVERS_RETRY_PERIOD,
         DEFAULT_NO_CONNECTIVITY_RETRY_PERIOD,
         DEFAULT_TIME_UNIT);
   }
 
+  /**
+   * All-args constructor.
+   */
   public DefaultFailoverStrategy(long bootstrapServersRetryPeriod,
                                  long operationsServersRetryPeriod,
                                  long noConnectivityRetryPeriod,

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/impl/DefaultChannelManager.java

@@ -72,6 +72,9 @@ public class DefaultChannelManager implements KaaInternalChannelManager {
   private KaaDataMultiplexer bootstrapMultiplexer;
   private KaaDataDemultiplexer bootstrapDemultiplexer;
 
+  /**
+   * All-args constructor.
+   */
   public DefaultChannelManager(BootstrapManager manager, Map<TransportProtocolId,
       List<TransportConnectionInfo>> bootststrapServers, ExecutorContext executorContext,
                                FailureListener failureListener) {

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/impl/channels/AbstractHttpChannel.java

@@ -61,6 +61,9 @@ public abstract class AbstractHttpChannel implements KaaDataChannel {
   private KaaDataDemultiplexer demultiplexer;
   private KaaDataMultiplexer multiplexer;
 
+  /**
+   * All-args constructor.
+   */
   public AbstractHttpChannel(AbstractKaaClient client, KaaClientState state,
                              FailoverManager failoverManager) {
     this.client = client;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/impl/channels/DefaultOperationTcpChannel.java

@@ -215,6 +215,9 @@ public void run() {
     }
   };
 
+  /**
+   * All-args constructor.
+   */
   public DefaultOperationTcpChannel(KaaClientState state, FailoverManager failoverManager,
                                     FailureListener failureListener) {
     this.state = state;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/impl/channels/DefaultOperationsChannel.java

@@ -115,6 +115,9 @@ protected void executeCommand() {
   private volatile boolean isShutdown = false;
   private volatile boolean isPaused = false;
 
+  /**
+   * All-args constructor.
+   */
   public DefaultOperationsChannel(AbstractKaaClient client, KaaClientState state,
                                   FailoverManager failoverManager) {
     this.client = client;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/impl/channels/polling/CancelableCommandRunnable.java

@@ -37,6 +37,9 @@ public void run() {
     }
   }
 
+  /**
+   * Waits until a command executed.
+   */
   public void waitUntilExecuted() {
     while (isRunning) {
       synchronized (this) {

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/impl/channels/polling/PollCommand.java

@@ -37,6 +37,9 @@ public class PollCommand implements Command {
   private final IpTransportInfo serverInfo;
   private volatile boolean canceled = false;
 
+  /**
+   * All-args constructor.
+   */
   public PollCommand(AbstractHttpClient client, RawDataProcessor processor, Map<TransportType,
           ChannelDirection> transportTypes, IpTransportInfo serverInfo) {
     this.httpClient = client;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/channel/impl/sync/SyncTask.java

@@ -28,19 +28,32 @@ public class SyncTask {
   private final boolean ackOnly;
   private final boolean all;
 
+  /**
+   * Instantiates the SyncTask.
+   */
   public SyncTask(TransportType type, boolean ackOnly, boolean all) {
     this(Collections.singleton(type), ackOnly, all);
   }
 
+  /**
+   * Instantiates the SyncTask.
+   */
   public SyncTask(Set<TransportType> types, boolean ackOnly, boolean all) {
     super();
     this.types = types;
     this.ackOnly = ackOnly;
     this.all = all;
   }
 
+  /**
+   * Merges sync tasks.
+   *
+   * @param syncTask        sync task
+   * @param additionalTasks additional sync tasks
+   * @return                merged sync task
+   */
   public static SyncTask merge(SyncTask syncTask, List<SyncTask> additionalTasks) {
-    Set<TransportType> types = new HashSet<TransportType>();
+    Set<TransportType> types = new HashSet<>();
     types.addAll(syncTask.types);
     boolean ack = syncTask.ackOnly;
     boolean all = syncTask.all;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/configuration/base/AbstractConfigurationManager.java

@@ -45,6 +45,9 @@ public abstract class AbstractConfigurationManager implements ConfigurationManag
   private ConfigurationHashContainer container = new HashContainer();
   private KaaClientState state;
 
+  /**
+   * All-args constructor.
+   */
   public AbstractConfigurationManager(KaaClientProperties properties, KaaClientState state,
                                       ExecutorContext executorContext) {
     super();

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/context/SimpleExecutorContext.java

@@ -48,6 +48,9 @@ public SimpleExecutorContext() {
     this(SINGLE_THREAD, SINGLE_THREAD, SINGLE_THREAD, SINGLE_THREAD);
   }
 
+  /**
+   * All-args constructor.
+   */
   public SimpleExecutorContext(int lifeCycleThreadCount, int apiThreadCount,
                                int callbackThreadCount, int scheduledThreadCount) {
     super();

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/context/TransportContext.java

@@ -43,6 +43,9 @@ public final class TransportContext {
   private final RedirectionTransport redirectionTransport;
   private final LogTransport logTransport;
 
+  /**
+   * All-args constructor.
+   */
   public TransportContext(MetaDataTransport mdTransport, BootstrapTransport bootstrapTransport,
                           ProfileTransport profileTransport, EventTransport eventTransport,
                           NotificationTransport notificationTransport,
@@ -97,6 +100,12 @@ public LogTransport getLogTransport() {
     return logTransport;
   }
 
+  /**
+   * Initialize transports.
+   *
+   * @param channelManager channel manager
+   * @param clientState    kaa client state
+   */
   public void initTransports(KaaChannelManager channelManager, KaaClientState clientState) {
     for (KaaTransport transport : Arrays.asList(bootstrapTransport, profileTransport,
             eventTransport, notificationTransport, configurationTransport, userTransport,

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/event/DefaultEventManager.java

@@ -58,6 +58,9 @@ public class DefaultEventManager implements EventManager {
   private final Map<TransactionId, List<Event>> transactions = new HashMap<>();
   private Boolean isEngaged = false;
 
+  /**
+   * All-args constructor.
+   */
   public DefaultEventManager(KaaClientState state, ExecutorContext executorContext,
                              EventTransport transport) {
     this.state = state;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/event/registration/DefaultEndpointRegistrationManager.java

@@ -68,6 +68,9 @@ public class DefaultEndpointRegistrationManager implements EndpointRegistrationM
   private volatile UserTransport userTransport;
   private volatile ProfileTransport profileTransport;
 
+  /**
+   * All-args constructor.
+   */
   public DefaultEndpointRegistrationManager(KaaClientState state, ExecutorContext executorContext,
                                             UserTransport userTransport,
                                             ProfileTransport profileTransport) {
@@ -88,6 +91,12 @@ private String regenerateEndpointAccessToken() {
     return newEndpointAccessToken;
   }
 
+
+  /**
+   * Updates an endpoint access token.
+   *
+   * @param token new endpoint access token
+   */
   public void updateEndpointAccessToken(String token) {
     state.setEndpointAccessToken(token);
     state.setIfNeedProfileResync(true);

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/logging/AbstractLogCollector.java

@@ -66,6 +66,9 @@ public abstract class AbstractLogCollector implements LogCollector, LogProcessor
   private LogDeliveryListener logDeliveryListener;
   private boolean uploadCheckInProgress = false;
 
+  /**
+   * All-args constructor.
+   */
   public AbstractLogCollector(LogTransport transport, ExecutorContext executorContext,
                               KaaChannelManager channelManager, FailoverManager failoverManager) {
     this.strategy = new DefaultLogUploadStrategy();

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/logging/future/ExecutionResult.java

@@ -21,6 +21,9 @@ public class ExecutionResult<T> {
   private final T obj;
   private final Exception ex;
 
+  /**
+   * All-args constructor.
+   */
   public ExecutionResult(T obj, Exception ex) {
     super();
     this.obj = obj;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/logging/future/RecordFuture.java

@@ -88,6 +88,12 @@ public boolean equals(Object obj) {
     return true;
   }
 
+  /**
+   * Sets value.
+   *
+   * @param value      value
+   * @param arriveTime arrive time
+   */
   public void setValue(RecordInfo value, Long arriveTime) {
     try {
       value.setRecordAddedTimestampMs(recordAddedTimestampMs);

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/logging/memory/MemBucket.java

@@ -33,6 +33,9 @@ public class MemBucket {
   protected long size;
   private MemBucketState state;
 
+  /**
+   * All-args constructor.
+   */
   public MemBucket(int id, long maxSize, int maxRecordCount) {
     super();
     this.id = id;
@@ -66,6 +69,12 @@ public void setState(MemBucketState state) {
     this.state = state;
   }
 
+  /**
+   * Adds a record to a bucket.
+   *
+   * @param record record
+   * @return       true if record is added otherwise false
+   */
   public boolean addRecord(LogRecord record) {
     if (size + record.getSize() > maxSize) {
       LOG.trace("No space left in bucket. Current size: {}, record size: {}, max size: {}",

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/logging/memory/MemLogStorage.java

@@ -54,6 +54,9 @@ public MemLogStorage(long bucketSize, int bucketRecordCount) {
     this(DEFAULT_MAX_STORAGE_SIZE, bucketSize, bucketRecordCount);
   }
 
+  /**
+   * All-args constructor.
+   */
   public MemLogStorage(long maxStorageSize, long bucketSize, int bucketRecordCount) {
     super();
     this.maxStorageSize = maxStorageSize;

client/client-multi/client-java-core/src/main/java/org/kaaproject/kaa/client/notification/DefaultNotificationManager.java

@@ -55,6 +55,9 @@ public class DefaultNotificationManager implements NotificationManager, Notifica
   private Map<Long, Topic> topics = new HashMap<>();
   private volatile NotificationTransport transport;
 
+  /**
+   * All-args constructor.
+   */
   public DefaultNotificationManager(KaaClientState state, ExecutorContext executorContext,
                                     NotificationTransport transport) {
     this.state = state;

client/client-multi/client-java-desktop/src/main/java/org/kaaproject/kaa/client/DesktopKaaPlatformContext.java

@@ -43,6 +43,9 @@ public DesktopKaaPlatformContext(KaaClientProperties properties) {
     this(properties, new SimpleExecutorContext());
   }
 
+  /**
+   * All-args constructor.
+   */
   public DesktopKaaPlatformContext(
           KaaClientProperties properties, ExecutorContext executorContext) {
     super();

client/client-multi/client-java-desktop/src/main/java/org/kaaproject/kaa/client/transport/DesktopHttpClient.java

@@ -48,6 +48,9 @@ public class DesktopHttpClient extends AbstractHttpClient {
   private CloseableHttpClient httpClient;
   private volatile HttpPost method;
 
+  /**
+   * All-args constructor.
+   */
   public DesktopHttpClient(String url, PrivateKey privateKey,
                            PublicKey publicKey, PublicKey remotePublicKey) {
     super(url, privateKey, publicKey, remotePublicKey);