import org.springframework.data.cassandra.core.CassandraAdminOperations; //导入依赖的package包/类
/**
 * Create a new {@link CassandraHealthIndicator} instance.
 * @param cassandraAdminOperations the Cassandra admin operations
 */
public CassandraHealthIndicator(CassandraAdminOperations cassandraAdminOperations) {
	Assert.notNull(cassandraAdminOperations,
			"CassandraAdminOperations must not be null");
	this.cassandraAdminOperations = cassandraAdminOperations;
}
 

import org.springframework.data.cassandra.core.CassandraAdminOperations; //导入依赖的package包/类
@Bean
@ConditionalOnMissingBean
public CassandraAdminOperations cassandraTemplate() throws Exception {
    return new CassandraAdminTemplate(session().getObject(), cassandraConverter());
}