Fix StackOverflowError in CassandraAdminTemplate#dropTable(Class<?>)

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/core/CassandraAdminTemplate.java

@@ -114,7 +114,7 @@ public Object doInSession(Session s) throws DataAccessException {
 }
 
 public void dropTable(Class<?> entityClass) {
-dropTable(determineTableName(entityClass));
+dropTable(getTableName(entityClass));
 }
 
 @Override

spring-data-cassandra/src/main/java/org/springframework/data/cassandra/core/CassandraTemplate.java

@@ -515,10 +515,6 @@ public <T> Cancellable updateAsynchronously(T entity, WriteListener<T> listener,
 return doUpdateAsync(entity, listener, options);
 }
 
-protected <T> CqlIdentifier determineTableName(T obj) {
-return obj == null ? null : determineTableName(obj.getClass());
-}
-
 protected <T> List<T> select(final String query, CassandraConverterRowCallback<T> readRowCallback) {
 
 ResultSet resultSet = doExecute(new SessionCallback<ResultSet>() {

spring-data-cassandra/src/test/java/org/springframework/data/cassandra/test/integration/template/CassandraAdminTemplateTest.java

@@ -94,4 +94,19 @@ public void testCreateTables() throws Exception {
 cassandraAdminTemplate.createTable(true, CqlIdentifier.cqlId("book"), Book.class, null);
 assertThat(getKeyspaceMetadata().getTables().size(), is(1));
 }
+
+@Test
+public void testDropTable() throws Exception {
+
+cassandraAdminTemplate.createTable(true, CqlIdentifier.cqlId("book"), Book.class, null);
+assertThat(getKeyspaceMetadata().getTables().size(), is(1));
+
+cassandraAdminTemplate.dropTable(Book.class);
+assertThat(getKeyspaceMetadata().getTables().size(), is(0));
+
+cassandraAdminTemplate.createTable(true, CqlIdentifier.cqlId("book"), Book.class, null);
+cassandraAdminTemplate.dropTable(CqlIdentifier.cqlId("book"));
+
+assertThat(getKeyspaceMetadata().getTables().size(), is(0));
+}
 }