Spring Framework 6.1.4 · org.springframework.jdbc.support.lob.PassThroughClob

Modifier and Type	Field and Description
private InputStream	asciiStream
private Reader	characterStream
private String	content
private final long	contentLength

Access	Constructor and Description
public	PassThroughClob(String content)
public	PassThroughClob(Reader characterStream, long contentLength)
public	PassThroughClob(InputStream asciiStream, long contentLength)

Method Summary

Modifier and Type	Method and Description
public void	free() Implements java.sql.Clob.free. This method releases the resources that the `Clob` object holds.
public InputStream	getAsciiStream() Implements java.sql.Clob.getAsciiStream. Retrieves the `CLOB` value designated by this `Clob` object as an ascii stream.
public Reader	getCharacterStream() Implements java.sql.Clob.getCharacterStream. Retrieves the `CLOB` value designated by this `Clob` object as a `java.io.Reader` object (or as a stream of characters).
public Reader	getCharacterStream(long the offset to the first character of the partial value to be retrieved. The first character in the Clob is at position 1. pos, long the length in characters of the partial value to be retrieved. length) Implements java.sql.Clob.getCharacterStream. Returns a `Reader` object that contains a partial `Clob` value, starting with the character specified by pos, which is length characters in length.
public String	getSubString(long the first character of the substring to be extracted. The first character is at position 1. pos, int the number of consecutive characters to be copied; the value for length must be 0 or greater length) Implements java.sql.Clob.getSubString. Retrieves a copy of the specified substring in the `CLOB` value designated by this `Clob` object.
public long	length() Implements java.sql.Clob.length. Retrieves the number of characters in the `CLOB` value designated by this `Clob` object.
public long	position(String the substring for which to search searchstr, long the position at which to begin searching; the first position is 1 start) Implements java.sql.Clob.position. Retrieves the character position at which the specified substring `searchstr` appears in the SQL `CLOB` value represented by this `Clob` object.
public long	position(Clob the `Clob` object for which to search searchstr, long the position at which to begin searching; the first position is 1 start) Implements java.sql.Clob.position. Retrieves the character position at which the specified `Clob` object `searchstr` appears in this `Clob` object.
public OutputStream	setAsciiStream(long the position at which to start writing to this `CLOB` object; The first position is 1 pos) Implements java.sql.Clob.setAsciiStream. Retrieves a stream to be used to write Ascii characters to the `CLOB` value that this `Clob` object represents, starting at position `pos`.
public Writer	setCharacterStream(long the position at which to start writing to the `CLOB` value; The first position is 1 pos) Implements java.sql.Clob.setCharacterStream. Retrieves a stream to be used to write a stream of Unicode characters to the `CLOB` value that this `Clob` object represents, at position `pos`.
public int	setString(long the position at which to start writing to the `CLOB` value that this `Clob` object represents; the first position is 1. pos, String the string to be written to the `CLOB` value that this `Clob` designates str) Implements java.sql.Clob.setString. Writes the given Java `String` to the `CLOB` value that this `Clob` object designates at the position `pos`.
public int	setString(long the position at which to start writing to this `CLOB` object; The first position is 1 pos, String the string to be written to the `CLOB` value that this `Clob` object represents str, int the offset into `str` to start reading the characters to be written offset, int the number of characters to be written len) Implements java.sql.Clob.setString. Writes `len` characters of `str`, starting at character `offset`, to the `CLOB` value that this `Clob` represents.
public void	truncate(long the length, in characters, to which the `CLOB` value should be truncated len) Implements java.sql.Clob.truncate. Truncates the `CLOB` value that this `Clob` designates to have a length of `len` characters.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

asciiStream	back to summary
private InputStream asciiStream Annotations @Nullable

characterStream	back to summary
private Reader characterStream Annotations @Nullable

content	back to summary
private String content Annotations @Nullable

contentLength	back to summary
private final long contentLength

PassThroughClob	back to summary
public PassThroughClob(String content)

PassThroughClob	back to summary
public PassThroughClob(Reader characterStream, long contentLength)

PassThroughClob	back to summary
public PassThroughClob(InputStream asciiStream, long contentLength)

Method Detail

free back to summary

free	back to summary
public void free() throws SQLException Implements java.sql.Clob.free. Doc from java.sql.Clob.free. This method releases the resources that the `Clob` object holds. The object is invalid once the `free` method is called. After `free` has been called, any attempt to invoke a method other than `free` will result in a `SQLException` being thrown. If `free` is called multiple times, the subsequent calls to `free` are treated as a no-op. Annotations @Override Exceptions SQLException: if an error occurs releasing the Clob's resources

public void free() throws SQLException

Implements java.sql.Clob.free.

Doc from java.sql.Clob.free.

This method releases the resources that the Clob object holds. The object is invalid once the free method is called.

After free has been called, any attempt to invoke a method other than free will result in a SQLException being thrown. If free is called multiple times, the subsequent calls to free are treated as a no-op.

Annotations

@Override

Exceptions

SQLException:: if an error occurs releasing the Clob's resources

getAsciiStream back to summary

getAsciiStream	back to summary
public InputStream getAsciiStream() throws SQLException Implements java.sql.Clob.getAsciiStream. Doc from java.sql.Clob.getAsciiStream. Retrieves the `CLOB` value designated by this `Clob` object as an ascii stream. Returns:InputStream a `java.io.InputStream` object containing the `CLOB` data Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value

public InputStream getAsciiStream() throws SQLException

Implements java.sql.Clob.getAsciiStream.

Doc from java.sql.Clob.getAsciiStream.

Retrieves the CLOB value designated by this Clob object as an ascii stream.

Returns:InputStream

a java.io.InputStream object containing the CLOB data

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value

getCharacterStream back to summary

getCharacterStream	back to summary
public Reader getCharacterStream() throws SQLException Implements java.sql.Clob.getCharacterStream. Doc from java.sql.Clob.getCharacterStream. Retrieves the `CLOB` value designated by this `Clob` object as a `java.io.Reader` object (or as a stream of characters). Returns:Reader a `java.io.Reader` object containing the `CLOB` data Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value

public Reader getCharacterStream() throws SQLException

Implements java.sql.Clob.getCharacterStream.

Doc from java.sql.Clob.getCharacterStream.

Retrieves the CLOB value designated by this Clob object as a java.io.Reader object (or as a stream of characters).

Returns:Reader

a java.io.Reader object containing the CLOB data

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value

getCharacterStream back to summary

getCharacterStream	back to summary
public Reader getCharacterStream(long pos, long length) throws SQLException Implements java.sql.Clob.getCharacterStream. Doc from java.sql.Clob.getCharacterStream. Returns a `Reader` object that contains a partial `Clob` value, starting with the character specified by pos, which is length characters in length. Parameters pos:long the offset to the first character of the partial value to be retrieved. The first character in the Clob is at position 1. length:long the length in characters of the partial value to be retrieved. Returns:Reader `Reader` through which the partial `Clob` value can be read. Annotations @Override Exceptions SQLException: if pos is less than 1; or if pos is greater than the number of characters in the `Clob`; or if pos + length is greater than the number of characters in the `Clob`

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

Implements java.sql.Clob.getCharacterStream.

Doc from java.sql.Clob.getCharacterStream.

Returns a Reader object that contains a partial Clob value, starting with the character specified by pos, which is length characters in length.

Parameters

pos:long: the offset to the first character of the partial value to be retrieved. The first character in the Clob is at position 1.
length:long: the length in characters of the partial value to be retrieved.

Returns:Reader

Reader through which the partial Clob value can be read.

Annotations

@Override

Exceptions

SQLException:: if pos is less than 1; or if pos is greater than the number of characters in the Clob; or if pos + length is greater than the number of characters in the Clob

getSubString back to summary

getSubString	back to summary
public String getSubString(long pos, int length) throws SQLException Implements java.sql.Clob.getSubString. Doc from java.sql.Clob.getSubString. Retrieves a copy of the specified substring in the `CLOB` value designated by this `Clob` object. The substring begins at position `pos` and has up to `length` consecutive characters. Parameters pos:long the first character of the substring to be extracted. The first character is at position 1. length:int the number of consecutive characters to be copied; the value for length must be 0 or greater Returns:String a `String` that is the specified substring in the `CLOB` value designated by this `Clob` object Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value; if pos is less than 1 or length is less than 0

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

Implements java.sql.Clob.getSubString.

Doc from java.sql.Clob.getSubString.

Retrieves a copy of the specified substring in the CLOB value designated by this Clob object. The substring begins at position pos and has up to length consecutive characters.

Parameters

pos:long: the first character of the substring to be extracted. The first character is at position 1.
length:int: the number of consecutive characters to be copied; the value for length must be 0 or greater

Returns:String

a String that is the specified substring in the CLOB value designated by this Clob object

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value; if pos is less than 1 or length is less than 0

length back to summary

length	back to summary
public long length() throws SQLException Implements java.sql.Clob.length. Doc from java.sql.Clob.length. Retrieves the number of characters in the `CLOB` value designated by this `Clob` object. Returns:long length of the `CLOB` in characters Annotations @Override Exceptions SQLException: if there is an error accessing the length of the `CLOB` value

public long length() throws SQLException

Implements java.sql.Clob.length.

Doc from java.sql.Clob.length.

Retrieves the number of characters in the CLOB value designated by this Clob object.

Returns:long

length of the CLOB in characters

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the length of the CLOB value

position back to summary

position	back to summary
public long position(String searchstr, long start) throws SQLException Implements java.sql.Clob.position. Doc from java.sql.Clob.position. Retrieves the character position at which the specified substring `searchstr` appears in the SQL `CLOB` value represented by this `Clob` object. The search begins at position `start`. Parameters searchstr:String the substring for which to search start:long the position at which to begin searching; the first position is 1 Returns:long the position at which the substring appears or -1 if it is not present; the first position is 1 Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

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

Implements java.sql.Clob.position.

Doc from java.sql.Clob.position.

Retrieves the character position at which the specified substring searchstr appears in the SQL CLOB value represented by this Clob object. The search begins at position start.

Parameters

searchstr:String: the substring for which to search
start:long: the position at which to begin searching; the first position is 1

Returns:long

the position at which the substring appears or -1 if it is not present; the first position is 1

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

position back to summary

position	back to summary
public long position(Clob searchstr, long start) throws SQLException Implements java.sql.Clob.position. Doc from java.sql.Clob.position. Retrieves the character position at which the specified `Clob` object `searchstr` appears in this `Clob` object. The search begins at position `start`. Parameters searchstr:Clob the `Clob` object for which to search start:long the position at which to begin searching; the first position is 1 Returns:long the position at which the `Clob` object appears or -1 if it is not present; the first position is 1 Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value or if start is less than 1

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

Implements java.sql.Clob.position.

Doc from java.sql.Clob.position.

Retrieves the character position at which the specified Clob object searchstr appears in this Clob object. The search begins at position start.

Parameters

searchstr:Clob: the Clob object for which to search
start:long: the position at which to begin searching; the first position is 1

Returns:long

the position at which the Clob object appears or -1 if it is not present; the first position is 1

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value or if start is less than 1

setAsciiStream back to summary

setAsciiStream	back to summary
public OutputStream setAsciiStream(long pos) throws SQLException Implements java.sql.Clob.setAsciiStream. Doc from java.sql.Clob.setAsciiStream. Retrieves a stream to be used to write Ascii characters to the `CLOB` value that this `Clob` object represents, starting at position `pos`. Characters written to the stream will overwrite the existing characters in the `Clob` object starting at the position `pos`. If the end of the `Clob` value is reached while writing characters to the stream, then the length of the `Clob` value will be increased to accommodate the extra characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters pos:long the position at which to start writing to this `CLOB` object; The first position is 1 Returns:OutputStream the stream to which ASCII encoded characters can be written Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

public OutputStream setAsciiStream(long pos) throws SQLException

Implements java.sql.Clob.setAsciiStream.

Doc from java.sql.Clob.setAsciiStream.

Retrieves a stream to be used to write Ascii characters to the CLOB value that this Clob object represents, starting at position pos. Characters written to the stream will overwrite the existing characters in the Clob object starting at the position pos. If the end of the Clob value is reached while writing characters to the stream, then the length of the Clob value will be increased to accommodate the extra characters.

Note

If the value specified for pos is greater than the length+1 of the CLOB value then the behavior is undefined. Some JDBC drivers may throw an SQLException while other drivers may support this operation.

Parameters

pos:long: the position at which to start writing to this CLOB object; The first position is 1

Returns:OutputStream

the stream to which ASCII encoded characters can be written

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

setCharacterStream back to summary

setCharacterStream	back to summary
public Writer setCharacterStream(long pos) throws SQLException Implements java.sql.Clob.setCharacterStream. Doc from java.sql.Clob.setCharacterStream. Retrieves a stream to be used to write a stream of Unicode characters to the `CLOB` value that this `Clob` object represents, at position `pos`. Characters written to the stream will overwrite the existing characters in the `Clob` object starting at the position `pos`. If the end of the `Clob` value is reached while writing characters to the stream, then the length of the `Clob` value will be increased to accommodate the extra characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters pos:long the position at which to start writing to the `CLOB` value; The first position is 1 Returns:Writer a stream to which Unicode encoded characters can be written Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

public Writer setCharacterStream(long pos) throws SQLException

Implements java.sql.Clob.setCharacterStream.

Doc from java.sql.Clob.setCharacterStream.

Retrieves a stream to be used to write a stream of Unicode characters to the CLOB value that this Clob object represents, at position pos. Characters written to the stream will overwrite the existing characters in the Clob object starting at the position pos. If the end of the Clob value is reached while writing characters to the stream, then the length of the Clob value will be increased to accommodate the extra characters.

Note

Parameters

pos:long: the position at which to start writing to the CLOB value; The first position is 1

Returns:Writer

a stream to which Unicode encoded characters can be written

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

setString back to summary

setString	back to summary
public int setString(long pos, String str) throws SQLException Implements java.sql.Clob.setString. Doc from java.sql.Clob.setString. Writes the given Java `String` to the `CLOB` value that this `Clob` object designates at the position `pos`. The string will overwrite the existing characters in the `Clob` object starting at the position `pos`. If the end of the `Clob` value is reached while writing the given string, then the length of the `Clob` value will be increased to accommodate the extra characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters pos:long the position at which to start writing to the `CLOB` value that this `Clob` object represents; the first position is 1. str:String the string to be written to the `CLOB` value that this `Clob` designates Returns:int the number of characters written Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

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

Implements java.sql.Clob.setString.

Doc from java.sql.Clob.setString.

Writes the given Java String to the CLOB value that this Clob object designates at the position pos. The string will overwrite the existing characters in the Clob object starting at the position pos. If the end of the Clob value is reached while writing the given string, then the length of the Clob value will be increased to accommodate the extra characters.

Note

Parameters

pos:long: the position at which to start writing to the CLOB value that this Clob object represents; the first position is 1.
str:String: the string to be written to the CLOB value that this Clob designates

Returns:int

the number of characters written

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

setString back to summary

setString	back to summary
public int setString(long pos, String str, int offset, int len) throws SQLException Implements java.sql.Clob.setString. Doc from java.sql.Clob.setString. Writes `len` characters of `str`, starting at character `offset`, to the `CLOB` value that this `Clob` represents. The string will overwrite the existing characters in the `Clob` object starting at the position `pos`. If the end of the `Clob` value is reached while writing the given string, then the length of the `Clob` value will be increased to accommodate the extra characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters pos:long the position at which to start writing to this `CLOB` object; The first position is 1 str:String the string to be written to the `CLOB` value that this `Clob` object represents offset:int the offset into `str` to start reading the characters to be written len:int the number of characters to be written Returns:int the number of characters written Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

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

Implements java.sql.Clob.setString.

Doc from java.sql.Clob.setString.

Writes len characters of str, starting at character offset, to the CLOB value that this Clob represents. The string will overwrite the existing characters in the Clob object starting at the position pos. If the end of the Clob value is reached while writing the given string, then the length of the Clob value will be increased to accommodate the extra characters.

Note

Parameters

pos:long: the position at which to start writing to this CLOB object; The first position is 1
str:String: the string to be written to the CLOB value that this Clob object represents
offset:int: the offset into str to start reading the characters to be written
len:int: the number of characters to be written

Returns:int

the number of characters written

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

truncate back to summary

truncate	back to summary
public void truncate(long len) throws SQLException Implements java.sql.Clob.truncate. Doc from java.sql.Clob.truncate. Truncates the `CLOB` value that this `Clob` designates to have a length of `len` characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters len:long the length, in characters, to which the `CLOB` value should be truncated Annotations @Override Exceptions SQLException: if there is an error accessing the `CLOB` value or if len is less than 0

public void truncate(long len) throws SQLException

Implements java.sql.Clob.truncate.

Doc from java.sql.Clob.truncate.

Truncates the CLOB value that this Clob designates to have a length of len characters.

Note

Parameters

len:long: the length, in characters, to which the CLOB value should be truncated

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the CLOB value or if len is less than 0

pack-priv Class PassThroughClob

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