org.rhq.cassandra.schema

Class AbstractManager

java.lang.Object

org.rhq.cassandra.schema.AbstractManager

Direct Known Subclasses:

TopologyManager, VersionManager

public class AbstractManager
extends Object

Author:

Stefan Negrea

Field Summary

Fields

Modifier and Type	Field and Description
protected List<org.rhq.core.domain.cloud.StorageNode>	nodes
protected String	password
protected com.datastax.driver.core.Session	session
protected String	username

Constructor Summary

Constructors

Constructor and Description
AbstractManager(String username, String password, List<org.rhq.core.domain.cloud.StorageNode> nodes)

Method Summary

Methods

Modifier and Type	Method and Description
protected int	extractVersionFromUpdateFile(String file)
protected int	getReplicationFactor()
protected int	getSchemaVersion()
protected List<String>	getSteps(String file)
protected List<String>	getUpdateFiles(String folder)
protected void	initCluster()
protected void	initCluster(String username, String password)
protected void	removeAppliedUpdates(List<String> updateFiles, int currentSchemaVersion)
protected boolean	schemaExists()
protected void	shutdown()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

session

protected com.datastax.driver.core.Session session

username

protected final String username

password

protected final String password

nodes

protected List<org.rhq.core.domain.cloud.StorageNode> nodes

Constructor Detail

AbstractManager

public AbstractManager(String username,
               String password,
               List<org.rhq.core.domain.cloud.StorageNode> nodes)

Method Detail

schemaExists

protected boolean schemaExists()

getSchemaVersion

protected int getSchemaVersion()

removeAppliedUpdates

protected void removeAppliedUpdates(List<String> updateFiles,
                        int currentSchemaVersion)

extractVersionFromUpdateFile

protected int extractVersionFromUpdateFile(String file)

getSteps

protected List<String> getSteps(String file)
                         throws Exception

Throws:

Exception

getUpdateFiles

protected List<String> getUpdateFiles(String folder)
                               throws Exception

Throws:

Exception

initCluster

protected void initCluster()

initCluster

protected void initCluster(String username,
               String password)

shutdown

protected void shutdown()

getReplicationFactor

protected int getReplicationFactor()