org.apache.crail.utils

Class CrailUtils

java.lang.Object

org.apache.crail.utils.CrailUtils

public class CrailUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
CrailUtils()

Method Summary

Modifier and Type	Method and Description
static long	blockStartAddress(long offset)
static long	bufferStartAddress(long position, long sliceSize)
static String	combinePath(String parent, String name)
static int	computeIndex(long offset)
static InetSocketAddress	createSocketAddrForHost(String host, int port)
static InetSocketAddress	datanodeInfo2SocketAddr(DataNodeInfo dnInfo)
static long	getAddress(ByteBuffer buffer)
static String	getCacheDirectory(String id)
static String	getIPAddressFromBytes(byte[] bytes)
static CrailLocationClass	getLocationClass()
static org.slf4j.Logger	getLogger()
static String	getName(String path)
static InetSocketAddress	getNameNodeAddress()
static ConcurrentLinkedQueue<InetSocketAddress>	getNameNodeList()
static String	getParent(String path)
static URI	getPrimaryNameNode()
static long	getServiceId(String namenode)
static long	getServiceSize()
static int	getStorageClasses(String storageTypes)
static boolean	isLocalAddress(InetAddress addr)
static int	minFileBuf(long fileSize, int bufSize)
static long	nextBlockAddress(long offset)
static void	parseMap(String config, ConcurrentHashMap<String,String> map)
static void	printStackTrace()
static boolean	verifyNamenode(String namenode)

Methods inherited from class java.lang.Object

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

Constructor Detail

CrailUtils

public CrailUtils()

Method Detail

getLogger

public static org.slf4j.Logger getLogger()

getAddress

public static long getAddress(ByteBuffer buffer)

getNameNodeAddress

public static InetSocketAddress getNameNodeAddress()

getPrimaryNameNode

public static URI getPrimaryNameNode()

verifyNamenode

public static boolean verifyNamenode(String namenode)

getNameNodeList

public static ConcurrentLinkedQueue<InetSocketAddress> getNameNodeList()

getServiceId

public static long getServiceId(String namenode)

getServiceSize

public static long getServiceSize()

blockStartAddress

public static final long blockStartAddress(long offset)

bufferStartAddress

public static final long bufferStartAddress(long position,
                                            long sliceSize)

nextBlockAddress

public static final long nextBlockAddress(long offset)

minFileBuf

public static final int minFileBuf(long fileSize,
                                   int bufSize)

getCacheDirectory

public static String getCacheDirectory(String id)

printStackTrace

public static void printStackTrace()

getName

public static String getName(String path)

getParent

public static String getParent(String path)

combinePath

public static String combinePath(String parent,
                                 String name)

computeIndex

public static int computeIndex(long offset)

isLocalAddress

public static boolean isLocalAddress(InetAddress addr)

createSocketAddrForHost

public static InetSocketAddress createSocketAddrForHost(String host,
                                                        int port)

datanodeInfo2SocketAddr

public static InetSocketAddress datanodeInfo2SocketAddr(DataNodeInfo dnInfo)
                                                 throws UnknownHostException

Throws:

UnknownHostException

getLocationClass

public static CrailLocationClass getLocationClass()
                                           throws UnknownHostException

Throws:

UnknownHostException

parseMap

public static void parseMap(String config,
                            ConcurrentHashMap<String,String> map)
                     throws Exception

Throws:

Exception

getStorageClasses

public static int getStorageClasses(String storageTypes)

getIPAddressFromBytes

public static String getIPAddressFromBytes(byte[] bytes)