Polishing.

Add Javadoc to exceptions. Align lettercasing of CassandraDriverTimeoutException.

Closes #1399

Author: mp911de

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/CassandraAuthenticationException.java

@@ -28,8 +28,15 @@ public class CassandraAuthenticationException extends PermissionDeniedDataAccess
 
 	private static final long serialVersionUID = 8556304586797273927L;
 
-	private EndPoint host;
+	private final EndPoint host;
 
+	/**
+	 * Constructor for {@link CassandraAuthenticationException}.
+	 *
+	 * @param host the affected endpoint.
+	 * @param msg the detail message.
+	 * @param cause the root cause from the underlying data access API.
+	 */
 	public CassandraAuthenticationException(EndPoint host, String msg, Throwable cause) {
 		super(msg, cause);
 		this.host = host;

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/CassandraConnectionFailureException.java

@@ -32,11 +32,18 @@ public class CassandraConnectionFailureException extends DataAccessResourceFailu
 
 	private static final long serialVersionUID = 6299912054261646552L;
 
-	private final Map<Node, Throwable> messagesByHost = new HashMap<>();
-
+	private final Map<Node, Throwable> messagesByHost;
+
+	/**
+	 * Constructor for {@link CassandraConnectionFailureException}.
+	 *
+	 * @param map the detail failures for each node.
+	 * @param msg the detail message.
+	 * @param cause the root cause from the underlying data access API.
+	 */
 	public CassandraConnectionFailureException(Map<Node, Throwable> map, String msg, Throwable cause) {
 		super(msg, cause);
-		this.messagesByHost.putAll(map);
+		this.messagesByHost = new HashMap<>(map);
 	}
 
 	public Map<Node, Throwable> getMessagesByHost() {

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/CassandraDriverTimeOutException.java

@@ -0,0 +1,22 @@
+package org.springframework.data.cassandra;
+
+import org.springframework.dao.QueryTimeoutException;
+
+/**
+ * This exception is thrown when driver has timed out during any interaction with the Cassandra coordinator node.
+ *
+ * @author Mikhail Polivakha
+ * @since 4.2
+ */
+public class CassandraDriverTimeoutException extends QueryTimeoutException {
+
+	/**
+	 * Constructor for {@link CassandraDriverTimeoutException}.
+	 *
+	 * @param message the detail message.
+	 * @param cause the root cause from the underlying data access API.
+	 */
+	public CassandraDriverTimeoutException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/CassandraDriverTimeoutException.java

@@ -29,10 +29,22 @@ public class CassandraInsufficientReplicasAvailableException extends TransientDa
 	private int numberRequired;
 	private int numberAlive;
 
+	/**
+	 * Constructor for {@link CassandraInsufficientReplicasAvailableException}.
+	 *
+	 * @param msg the detail message.
+	 */
 	public CassandraInsufficientReplicasAvailableException(String msg) {
 		super(msg);
 	}
 
+	/**
+	 * Constructor for {@link CassandraInsufficientReplicasAvailableException}.
+	 *
+	 * @param numberRequired the required number of replicas.
+	 * @param msg the detail message.
+	 * @param cause the root cause from the underlying data access API.
+	 */
 	public CassandraInsufficientReplicasAvailableException(int numberRequired, int numberAlive, String msg,
 			Throwable cause) {
 		super(msg, cause);

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/CassandraInsufficientReplicasAvailableException.java

@@ -26,10 +26,21 @@ public class CassandraInternalException extends DataAccessException {
 
 	private static final long serialVersionUID = 433061676465346338L;
 
+	/**
+	 * Constructor for {@link CassandraInternalException}.
+	 *
+	 * @param msg the detail message.
+	 */
 	public CassandraInternalException(String msg) {
 		super(msg);
 	}
 
+	/**
+	 * Constructor for {@link CassandraInternalException}.
+	 *
+	 * @param msg the detail message.
+	 * @param cause the root cause from the underlying data access API.
+	 */
 	public CassandraInternalException(String msg, Throwable cause) {
 		super(msg, cause);
 	}

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/CassandraInternalException.java

@@ -27,10 +27,21 @@ public class CassandraInvalidConfigurationInQueryException extends InvalidDataAc
 
 	private static final long serialVersionUID = 4594321191806182918L;
 
+	/**
+	 * Constructor for {@link CassandraInvalidConfigurationInQueryException}.
+	 *
+	 * @param msg the detail message.
+	 */
 	public CassandraInvalidConfigurationInQueryException(String msg) {
 		super(msg);
 	}
 
+	/**
+	 * Constructor for {@link CassandraInvalidConfigurationInQueryException}.
+	 *
+	 * @param msg the detail message.
+	 * @param cause the root cause from the underlying data access API.
+	 */
 	public CassandraInvalidConfigurationInQueryException(String msg, Throwable cause) {
 		super(msg, cause);
 	}

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/CassandraInvalidConfigurationInQueryException.java

@@ -26,10 +26,21 @@ public class CassandraInvalidQueryException extends InvalidDataAccessApiUsageExc
 
 	private static final long serialVersionUID = 4594321191806182918L;
 
+	/**
+	 * Constructor for {@link CassandraInvalidQueryException}.
+	 *
+	 * @param msg the detail message.
+	 */
 	public CassandraInvalidQueryException(String msg) {
 		super(msg);
 	}
 
+	/**
+	 * Constructor for {@link CassandraInvalidQueryException}.
+	 *
+	 * @param msg the detail message.
+	 * @param cause the root cause from the underlying data access API.
+	 */
 	public CassandraInvalidQueryException(String msg, Throwable cause) {
 		super(msg, cause);
 	}

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/CassandraInvalidQueryException.java

@@ -24,6 +24,13 @@ public class CassandraKeyspaceExistsException extends CassandraSchemaElementExis
 
 	private static final long serialVersionUID = 6032967419751410352L;
 
+	/**
+	 * Constructor for {@link CassandraKeyspaceExistsException}.
+	 *
+	 * @param keyspaceName the keyspace name.
+	 * @param msg the detail message.
+	 * @param cause the root cause from the underlying data access API.
+	 */
 	public CassandraKeyspaceExistsException(String keyspaceName, String msg, Throwable cause) {
 		super(keyspaceName, ElementType.KEYSPACE, msg, cause);
 	}

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/CassandraKeyspaceExistsException.java

@@ -26,10 +26,21 @@ public class CassandraQuerySyntaxException extends InvalidDataAccessApiUsageExce
 
 	private static final long serialVersionUID = 4398474399882434154L;
 
+	/**
+	 * Constructor for {@link CassandraQuerySyntaxException}.
+	 *
+	 * @param msg the detail message.
+	 */
 	public CassandraQuerySyntaxException(String msg) {
 		super(msg);
 	}
 
+	/**
+	 * Constructor for {@link CassandraQuerySyntaxException}.
+	 *
+	 * @param msg the detail message.
+	 * @param cause the root cause from the underlying data access API.
+	 */
 	public CassandraQuerySyntaxException(String msg, Throwable cause) {
 		super(msg, cause);
 	}