Package org.apache.accumulo.miniclusterImpl

Class MiniAccumuloConfigImpl

  • public class MiniAccumuloConfigImpl
extends Object
    Holds configuration for MiniAccumuloClusterImpl. Required configurations must be passed to constructor(s) and all other configurations are optional.
    Since:
    1.6.0

    • Constructor Detail

      • MiniAccumuloConfigImpl

        public MiniAccumuloConfigImpl​(File dir,
                              String rootPassword)
        Parameters:
        dir - An empty or nonexistent directory that Accumulo and Zookeeper can store data in. Creating the directory is left to the user. Java 7, Guava, and Junit provide methods for creating temporary directories.
        rootPassword - The initial password for the Accumulo root user

    • Method Detail

      • setNumTservers

        public MiniAccumuloConfigImpl setNumTservers​(int numTservers)
        Calling this method is optional. If not set, it defaults to two.
        Parameters:
        numTservers - the number of tablet servers that mini accumulo cluster should start

      • setInstanceName

        public MiniAccumuloConfigImpl setInstanceName​(String instanceName)
        Calling this method is optional. If not set, defaults to 'miniInstance'
        Since:
        1.6.0

      • setSiteConfig

        public MiniAccumuloConfigImpl setSiteConfig​(Map<String,​String> siteConfig)
        Calling this method is optional. If not set, it defaults to an empty map.
        Parameters:
        siteConfig - key/values that you normally put in accumulo.properties can be put here.

      • setZooKeeperPort

        public MiniAccumuloConfigImpl setZooKeeperPort​(int zooKeeperPort)
        Calling this method is optional. A random port is generated by default
        Parameters:
        zooKeeperPort - A valid (and unused) port to use for the zookeeper
        Since:
        1.6.0

      • setZooKeeperStartupTime

        public MiniAccumuloConfigImpl setZooKeeperStartupTime​(long zooKeeperStartupTime)
        Configure the time to wait for ZooKeeper to startup. Calling this method is optional. The default is 20000 milliseconds
        Parameters:
        zooKeeperStartupTime - Time to wait for ZooKeeper to startup, in milliseconds
        Since:
        1.6.1

      • setExistingZooKeepers

        public MiniAccumuloConfigImpl setExistingZooKeepers​(String existingZooKeepers)
        Configure an existing ZooKeeper instance to use. Calling this method is optional. If not set, a new ZooKeeper instance is created.
        Parameters:
        existingZooKeepers - Connection string for a already-running ZooKeeper instance. A null value will turn off this feature.
        Since:
        1.8.0

      • setMemory

        public MiniAccumuloConfigImpl setMemory​(ServerType serverType,
                                        long memory,
                                        MemoryUnit memoryUnit)
        Sets the amount of memory to use in the master process. Calling this method is optional. Default memory is 128M
        Parameters:
        serverType - the type of server to apply the memory settings
        memory - amount of memory to set
        memoryUnit - the units for which to apply with the memory size
        Since:
        1.6.0

      • setDefaultMemory

        public MiniAccumuloConfigImpl setDefaultMemory​(long memory,
                                               MemoryUnit memoryUnit)
        Sets the default memory size to use. This value is also used when a ServerType has not been configured explicitly. Calling this method is optional. Default memory is 128M
        Parameters:
        memory - amount of memory to set
        memoryUnit - the units for which to apply with the memory size
        Since:
        1.6.0

      • getSiteConfig

        public Map<String,​String> getSiteConfig()
        Returns:
        a copy of the site config

      • getClientProps

        public Map<String,​String> getClientProps()
        Returns:
        a copy of client props

      • getConfiguredSiteConfig

        public Map<String,​String> getConfiguredSiteConfig()

      • getInstanceName

        public String getInstanceName()
        Returns:
        name of configured instance
        Since:
        1.6.0

      • getZooKeeperPort

        public int getZooKeeperPort()
        Returns:
        The configured zookeeper port
        Since:
        1.6.0

      • getConfiguredZooKeeperPort

        public int getConfiguredZooKeeperPort()

      • getZooKeeperStartupTime

        public long getZooKeeperStartupTime()

      • getExistingZooKeepers

        public String getExistingZooKeepers()

      • useExistingZooKeepers

        public boolean useExistingZooKeepers()

      • getConfDir

        public File getConfDir()

      • getAccumuloDir

        public File getAccumuloDir()

      • getLogDir

        public File getLogDir()

      • getMemory

        public long getMemory​(ServerType serverType)
        Parameters:
        serverType - get configuration for this server type
        Returns:
        memory configured in bytes, returns default if this server type is not configured
        Since:
        1.6.0

      • getDefaultMemory

        public long getDefaultMemory()
        Returns:
        memory configured in bytes
        Since:
        1.6.0

      • getZooKeepers

        public String getZooKeepers()
        Returns:
        zookeeper connection string
        Since:
        1.6.0

      • getDir

        public File getDir()
        Returns:
        the base directory of the cluster configuration

      • getRootPassword

        public String getRootPassword()
        Returns:
        the root password of this cluster configuration

      • getNumTservers

        public int getNumTservers()
        Returns:
        the number of tservers configured for this cluster

      • isJDWPEnabled

        public boolean isJDWPEnabled()
        Returns:
        is the current configuration in jdwpEnabled mode?
        Since:
        1.6.0

      • setJDWPEnabled

        public MiniAccumuloConfigImpl setJDWPEnabled​(boolean jdwpEnabled)
        Parameters:
        jdwpEnabled - should the processes run remote jdwpEnabled servers?
        Returns:
        the current instance
        Since:
        1.6.0

      • useMiniDFS

        public boolean useMiniDFS()

      • getClientConfFile

        public File getClientConfFile()
        Returns:
        location of client conf file containing connection parameters for connecting to this minicluster
        Since:
        1.6.0

      • getAccumuloPropsFile

        public File getAccumuloPropsFile()

      • getClientPropsFile

        public File getClientPropsFile()
        Returns:
        location of accumulo-client.properties file for connecting to this mini cluster

      • setSystemProperties

        public void setSystemProperties​(Map<String,​String> systemProperties)
        sets system properties set for service processes
        Since:
        1.6.0

      • getSystemProperties

        public Map<String,​String> getSystemProperties()
        Returns:
        a copy of the system properties for service processes
        Since:
        1.6.0

      • getClasspathItems

        public String[] getClasspathItems()
        Gets the classpath elements to use when spawning processes.
        Returns:
        the classpathItems, if set
        Since:
        1.6.0

      • setClasspathItems

        public void setClasspathItems​(String... classpathItems)
        Sets the classpath elements to use when spawning processes.
        Parameters:
        classpathItems - the classpathItems to set
        Since:
        1.6.0

      • getNativeLibPaths

        public String[] getNativeLibPaths()
        Returns:
        the paths to use for loading native libraries
        Since:
        1.6.0

      • setNativeLibPaths

        public MiniAccumuloConfigImpl setNativeLibPaths​(String... nativePathItems)
        Sets the path for processes to use for loading native libraries
        Parameters:
        nativePathItems - the nativePathItems to set
        Since:
        1.6.0

      • setProperty

        public void setProperty​(Property p,
                        String value)
        Sets arbitrary configuration properties.
        Since:
        1.6.0

      • setClientProperty

        public void setClientProperty​(String key,
                              String value)

      • setProperty

        public void setProperty​(String p,
                        String value)
        Sets arbitrary configuration properties.
        Since:
        2.0.0

      • isUseCredentialProvider

        public boolean isUseCredentialProvider()
        Returns:
        the useCredentialProvider

      • setUseCredentialProvider

        public void setUseCredentialProvider​(boolean useCredentialProvider)
        Parameters:
        useCredentialProvider - the useCredentialProvider to set

      • useExistingInstance

        public MiniAccumuloConfigImpl useExistingInstance​(File accumuloProps,
                                                  File hadoopConfDir)
                                           throws IOException
        Informs MAC that it's running against an existing accumulo instance. It is assumed that it's already initialized and hdfs/zookeeper are already running.
        Parameters:
        accumuloProps - a File representation of the accumulo.properties file for the instance being run
        hadoopConfDir - a File representation of the hadoop configuration directory containing core-site.xml and hdfs-site.xml
        Returns:
        MiniAccumuloConfigImpl which uses an existing accumulo configuration
        Throws:
        IOException - when there are issues converting the provided Files to URLs
        Since:
        1.6.2

      • useExistingInstance

        public boolean useExistingInstance()
        Returns:
        MAC should run assuming it's configured for an initialized accumulo instance
        Since:
        1.6.2

      • getHadoopConfDir

        public File getHadoopConfDir()
        Returns:
        hadoop configuration directory being used
        Since:
        1.6.2

      • getAccumuloConfiguration

        public AccumuloConfiguration getAccumuloConfiguration()
        Returns:
        accumulo Configuration being used
        Since:
        1.6.2

      • getHadoopConfiguration

        public org.apache.hadoop.conf.Configuration getHadoopConfiguration()
        Returns:
        hadoop Configuration being used
        Since:
        1.6.2

      • getRootUserName

        public String getRootUserName()
        Returns:
        the default Accumulo "superuser"
        Since:
        1.7.0

      • setRootUserName

        public void setRootUserName​(String rootUserName)
        Sets the default Accumulo "superuser".
        Parameters:
        rootUserName - The name of the user to create with administrative permissions during initialization
        Since:
        1.7.0