CassandraConnection.java

/*
 * JBoss, Home of Professional Open Source.
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
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 */

package org.teiid.translator.cassandra;

import java.util.List;

import javax.resource.ResourceException;
import javax.resource.cci.Connection;

import com.datastax.driver.core.KeyspaceMetadata;
import com.datastax.driver.core.ResultSetFuture;
import com.datastax.driver.core.VersionNumber;

/**
 * Connection to Cassandra NoSql database.
 * */
public interface CassandraConnection extends Connection{
	
	/**
	 * Executes a CQL query.
	 * */
	public ResultSetFuture executeQuery(String query);
	
	/**
	 * Returns metadata about Cassandra keyspace (column families, columns metadata etc.)
	 * @throws KeyspaceNotDefinedException 
	 * */
	public KeyspaceMetadata keyspaceInfo() throws ResourceException;

	/**
	 * Execute a batch of updates
	 * @param updates
	 * @return
	 */
	ResultSetFuture executeBatch(List<String> updates);

	/**
	 * Execute a bulk update
	 * @param update
	 * @param values
	 * @return
	 * @throws ResourceException 
	 */
	ResultSetFuture executeBatch(String update, List<Object[]> values);

	/**
	 * Get the version in use for this connection
	 * @return
	 */
	VersionNumber getVersion();
	
}