itez.kit.ip2region.driver

类 Searcher

java.lang.Object

itez.kit.ip2region.driver.Searcher

public class Searcher
extends Object

字段概要

字段

限定符和类型	字段和说明
static int	HeaderInfoLength
static int	SegmentIndexSize
static byte[]	shiftIndex
static int	VectorIndexCols
static int	VectorIndexRows
static int	VectorIndexSize

构造器概要

构造器

构造器和说明
Searcher(String dbFile, byte[] vectorIndex, byte[] cBuff)

方法概要

限定符和类型	方法和说明
static long	checkIP(String ip)
void	close()
static int	getInt(byte[] b, int offset)
static int	getInt2(byte[] b, int offset)
static long	getIntLong(byte[] b, int offset)
int	getIOCount()
static byte[]	loadContent(RandomAccessFile handle)
static byte[]	loadContentFromFile(String dbPath)
static Header	loadHeader(RandomAccessFile handle)
static Header	loadHeaderFromFile(String dbPath)
static byte[]	loadVectorIndex(RandomAccessFile handle)
static byte[]	loadVectorIndexFromFile(String dbPath)
static String	long2ip(long ip)
static Searcher	newWithBuffer(byte[] cBuff)
static Searcher	newWithFileOnly(String dbPath)
static Searcher	newWithVectorIndex(String dbPath, byte[] vectorIndex)
protected void	read(int offset, byte[] buffer)
String	search(long ip)
String	search(String ipStr)

从类继承的方法 java.lang.Object

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

字段详细资料

HeaderInfoLength

public static final int HeaderInfoLength

另请参阅:

常量字段值

VectorIndexRows

public static final int VectorIndexRows

另请参阅:

常量字段值

VectorIndexCols

public static final int VectorIndexCols

另请参阅:

常量字段值

VectorIndexSize

public static final int VectorIndexSize

另请参阅:

常量字段值

SegmentIndexSize

public static final int SegmentIndexSize

另请参阅:

常量字段值

shiftIndex

public static final byte[] shiftIndex

构造器详细资料

Searcher

public Searcher(String dbFile,
                byte[] vectorIndex,
                byte[] cBuff)
         throws IOException

抛出:

IOException

方法详细资料

newWithFileOnly

public static Searcher newWithFileOnly(String dbPath)
                                throws IOException

抛出:

IOException

newWithVectorIndex

public static Searcher newWithVectorIndex(String dbPath,
                                          byte[] vectorIndex)
                                   throws IOException

抛出:

IOException

newWithBuffer

public static Searcher newWithBuffer(byte[] cBuff)
                              throws IOException

抛出:

IOException

close

public void close()
           throws IOException

抛出:

IOException

getIOCount

public int getIOCount()

search

public String search(String ipStr)
              throws Exception

抛出:

Exception

search

public String search(long ip)
              throws IOException

抛出:

IOException

read

protected void read(int offset,
                    byte[] buffer)
             throws IOException

抛出:

IOException

loadHeader

public static Header loadHeader(RandomAccessFile handle)
                         throws IOException

抛出:

IOException

loadHeaderFromFile

public static Header loadHeaderFromFile(String dbPath)
                                 throws IOException

抛出:

IOException

loadVectorIndex

public static byte[] loadVectorIndex(RandomAccessFile handle)
                              throws IOException

抛出:

IOException

loadVectorIndexFromFile

public static byte[] loadVectorIndexFromFile(String dbPath)
                                      throws IOException

抛出:

IOException

loadContent

public static byte[] loadContent(RandomAccessFile handle)
                          throws IOException

抛出:

IOException

loadContentFromFile

public static byte[] loadContentFromFile(String dbPath)
                                  throws IOException

抛出:

IOException

getIntLong

public static long getIntLong(byte[] b,
                              int offset)

getInt

public static int getInt(byte[] b,
                         int offset)

getInt2

public static int getInt2(byte[] b,
                          int offset)

long2ip

public static String long2ip(long ip)

checkIP

public static long checkIP(String ip)
                    throws Exception

抛出:

Exception