org.h2.jdbc

类 JdbcClob

java.lang.Object

org.h2.message.TraceObject

org.h2.jdbc.JdbcClob

所有已实现的接口:

Clob, NClob

public class JdbcClob
extends TraceObject
implements NClob

Represents a CLOB value.

字段概要

从类继承的字段 org.h2.message.TraceObject

ARRAY, BLOB, CALLABLE_STATEMENT, CLOB, CONNECTION, DATA_SOURCE, DATABASE_META_DATA, PARAMETER_META_DATA, PREPARED_STATEMENT, RESULT_SET, RESULT_SET_META_DATA, SAVEPOINT, STATEMENT, trace, XA_DATA_SOURCE, XID

构造器概要

构造器

构造器和说明
JdbcClob(JdbcConnection conn, Value value, int id) INTERNAL

方法概要

限定符和类型	方法和说明
void	free() Release all resources of this object.
InputStream	getAsciiStream() Returns the input stream.
Reader	getCharacterStream() Returns the reader.
Reader	getCharacterStream(long pos, long length) [Not supported] Returns the reader, starting from an offset.
String	getSubString(long pos, int length) Returns a substring.
long	length() Returns the length.
long	position(Clob clobPattern, long start) [Not supported] Searches a pattern and return the position.
long	position(String pattern, long start) [Not supported] Searches a pattern and return the position.
OutputStream	setAsciiStream(long pos) [Not supported] Returns an output stream.
Writer	setCharacterStream(long pos) Get a writer to update the Clob.
int	setString(long pos, String str) Fills the Clob.
int	setString(long pos, String str, int offset, int len) [Not supported] Sets a substring.
String	toString() INTERNAL
void	truncate(long len) [Not supported] Truncates the object.

从类继承的方法 org.h2.message.TraceObject

debugCode, debugCodeAssign, debugCodeCall, debugCodeCall, debugCodeCall, getNextId, getTraceId, getTraceObjectName, isDebugEnabled, isInfoEnabled, logAndConvert, quote, quoteArray, quoteBigDecimal, quoteBytes, quoteDate, quoteIntArray, quoteMap, quoteTime, quoteTimestamp, setTrace, unsupported

从类继承的方法 java.lang.Object

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

构造器详细资料

JdbcClob

public JdbcClob(JdbcConnection conn,
                Value value,
                int id)

INTERNAL

方法详细资料

length

public long length()
            throws SQLException

Returns the length.

指定者:

length 在接口中 Clob

返回:

the length

抛出:

SQLException

truncate

public void truncate(long len)
              throws SQLException

[Not supported] Truncates the object.

指定者:

truncate 在接口中 Clob

抛出:

SQLException

getAsciiStream

public InputStream getAsciiStream()
                           throws SQLException

Returns the input stream.

指定者:

getAsciiStream 在接口中 Clob

返回:

the input stream

抛出:

SQLException

setAsciiStream

public OutputStream setAsciiStream(long pos)
                            throws SQLException

[Not supported] Returns an output stream.

指定者:

setAsciiStream 在接口中 Clob

抛出:

SQLException

getCharacterStream

public Reader getCharacterStream()
                          throws SQLException

Returns the reader.

指定者:

getCharacterStream 在接口中 Clob

返回:

the reader

抛出:

SQLException

setCharacterStream

public Writer setCharacterStream(long pos)
                          throws SQLException

Get a writer to update the Clob. This is only supported for new, empty Clob objects that were created with Connection.createClob() or createNClob(). The Clob is created in a separate thread, and the object is only updated when Writer.close() is called. The position must be 1, meaning the whole Clob data is set.

指定者:

setCharacterStream 在接口中 Clob

参数:

pos - where to start writing (the first character is at position 1)

返回:

a writer

抛出:

SQLException

getSubString

public String getSubString(long pos,
                           int length)
                    throws SQLException

Returns a substring.

指定者:

getSubString 在接口中 Clob

参数:

pos - the position (the first character is at position 1)

length - the number of characters

返回:

the string

抛出:

SQLException

setString

public int setString(long pos,
                     String str)
              throws SQLException

Fills the Clob. This is only supported for new, empty Clob objects that were created with Connection.createClob() or createNClob(). The position must be 1, meaning the whole Clob data is set.

指定者:

setString 在接口中 Clob

参数:

pos - where to start writing (the first character is at position 1)

str - the string to add

返回:

the length of the added text

抛出:

SQLException

setString

public int setString(long pos,
                     String str,
                     int offset,
                     int len)
              throws SQLException

[Not supported] Sets a substring.

指定者:

setString 在接口中 Clob

抛出:

SQLException

position

public long position(String pattern,
                     long start)
              throws SQLException

[Not supported] Searches a pattern and return the position.

指定者:

position 在接口中 Clob

抛出:

SQLException

position

public long position(Clob clobPattern,
                     long start)
              throws SQLException

[Not supported] Searches a pattern and return the position.

指定者:

position 在接口中 Clob

抛出:

SQLException

free

public void free()

Release all resources of this object.

指定者:

free 在接口中 Clob

getCharacterStream

public Reader getCharacterStream(long pos,
                                 long length)
                          throws SQLException

[Not supported] Returns the reader, starting from an offset.

指定者:

getCharacterStream 在接口中 Clob

抛出:

SQLException

toString

public String toString()

INTERNAL

覆盖:

toString 在类中 Object