cn.orionsec.kit.ext.location.region.core

Class DbSearcher

java.lang.Object

cn.orionsec.kit.ext.location.region.core.DbSearcher

public class DbSearcher
extends Object

Author:

Jiahang Li

Field Summary

Fields

Modifier and Type	Field and Description
static int	BINARY_ALGORITHM 二进制
static int	BTREE_ALGORITHM B+树
static int	MEMORY_ALGORITHM 内存

Constructor Summary

Constructors

Constructor and Description
DbSearcher(DbConfig dbConfig, File dbFile)
DbSearcher(DbConfig dbConfig, RandomAccessFile raf)
DbSearcher(DbConfig dbConfig, String dbFile)

Method Summary

Modifier and Type	Method and Description
DataBlock	binarySearch(long ip) 使用二进制算法获取IP区域
DataBlock	binarySearch(String ip) 使用二进制算法获取IP区域
DataBlock	btreeSearch(long ip) 使用B+TREE算法获取IP区域
DataBlock	btreeSearch(String ip) 使用B+TREE算法获取IP区域
void	close() 关闭
DataBlock	getByIndexPtr(long ptr) 通过索引获取 ptr
DbConfig	getDbConfig() 获取配置项
DataBlock	memorySearch(long ip) 使用内存二进制算法获取IP区域
DataBlock	memorySearch(String ip) 使用内存二进制算法获取IP区域

Methods inherited from class java.lang.Object

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

Field Detail

BTREE_ALGORITHM

public static final int BTREE_ALGORITHM

B+树

See Also:

Constant Field Values

BINARY_ALGORITHM

public static final int BINARY_ALGORITHM

二进制

See Also:

Constant Field Values

MEMORY_ALGORITHM

public static final int MEMORY_ALGORITHM

内存

See Also:

Constant Field Values

Constructor Detail

DbSearcher

public DbSearcher(DbConfig dbConfig,
                  String dbFile)

DbSearcher

public DbSearcher(DbConfig dbConfig,
                  File dbFile)

DbSearcher

public DbSearcher(DbConfig dbConfig,
                  RandomAccessFile raf)

Method Detail

memorySearch

public DataBlock memorySearch(long ip)
                       throws IOException

使用内存二进制算法获取IP区域

Parameters:

ip - ip

Returns:

DataBlock ignore

Throws:

IOException - ignore

memorySearch

public DataBlock memorySearch(String ip)
                       throws IOException

使用内存二进制算法获取IP区域

Parameters:

ip - ip

Returns:

DataBlock ignore

Throws:

IOException - ignore

getByIndexPtr

public DataBlock getByIndexPtr(long ptr)
                        throws IOException

通过索引获取 ptr

Parameters:

ptr - ptr

Throws:

IOException - ignore

btreeSearch

public DataBlock btreeSearch(long ip)
                      throws IOException

使用B+TREE算法获取IP区域

Parameters:

ip - ip

Returns:

DataBlock ignore

Throws:

IOException - ignore

btreeSearch

public DataBlock btreeSearch(String ip)
                      throws IOException

使用B+TREE算法获取IP区域

Parameters:

ip - ip

Returns:

DataBlock ignore

Throws:

IOException - ignore

binarySearch

public DataBlock binarySearch(long ip)
                       throws IOException

使用二进制算法获取IP区域

Parameters:

ip - ip

Returns:

DataBlock ignore

Throws:

IOException - ignore

binarySearch

public DataBlock binarySearch(String ip)
                       throws IOException

使用二进制算法获取IP区域

Parameters:

ip - ip

Returns:

DataBlock ignore

Throws:

IOException - ignore

getDbConfig

public DbConfig getDbConfig()

获取配置项

close

public void close()
           throws IOException

关闭

Throws:

IOException