org.h2.value
Class Transfer

java.lang.Object
  extended by org.h2.value.Transfer

public class Transfer
extends java.lang.Object

The transfer class is used to send and receive Value objects. It is used on both the client side, and on the server side.


Constructor Summary
Transfer(SessionInterface session)
          Create a new transfer object for the specified session.
 
Method Summary
 void close()
          Close the transfer object and the socket.
 void flush()
          Write pending changes.
 java.net.Socket getSocket()
          Get the socket.
 void init()
          Initialize the transfer object.
 Transfer openNewConnection()
          Open a new new connection to the same address and port as this one.
 boolean readBoolean()
          Read a boolean.
 byte[] readBytes()
          Read a byte array.
 int readInt()
          Read an int.
 long readLong()
          Read a long.
 java.lang.String readString()
          Read a string.
 Value readValue()
          Read a value.
 void setSession(SessionInterface session)
          Set the session.
 void setSocket(java.net.Socket s)
          Set the socket this object uses.
 void setSSL(boolean ssl)
          Enable or disable SSL.
 void setVersion(int version)
           
 Transfer writeBoolean(boolean x)
          Write a boolean.
 Transfer writeBytes(byte[] data)
          Write a byte array.
 Transfer writeInt(int x)
          Write an int.
 Transfer writeLong(long x)
          Write a long.
 Transfer writeString(java.lang.String s)
          Write a string.
 void writeValue(Value v)
          Write a value.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Transfer

public Transfer(SessionInterface session)
Create a new transfer object for the specified session.

Parameters:
session - the session
Method Detail

setSocket

public void setSocket(java.net.Socket s)
Set the socket this object uses.

Parameters:
s - the socket

init

public void init()
          throws java.io.IOException
Initialize the transfer object. This method will try to open an input and output stream.

Throws:
java.io.IOException

flush

public void flush()
           throws java.io.IOException
Write pending changes.

Throws:
java.io.IOException

writeBoolean

public Transfer writeBoolean(boolean x)
                      throws java.io.IOException
Write a boolean.

Parameters:
x - the value
Returns:
itself
Throws:
java.io.IOException

readBoolean

public boolean readBoolean()
                    throws java.io.IOException
Read a boolean.

Returns:
the value
Throws:
java.io.IOException

writeInt

public Transfer writeInt(int x)
                  throws java.io.IOException
Write an int.

Parameters:
x - the value
Returns:
itself
Throws:
java.io.IOException

readInt

public int readInt()
            throws java.io.IOException
Read an int.

Returns:
the value
Throws:
java.io.IOException

writeLong

public Transfer writeLong(long x)
                   throws java.io.IOException
Write a long.

Parameters:
x - the value
Returns:
itself
Throws:
java.io.IOException

readLong

public long readLong()
              throws java.io.IOException
Read a long.

Returns:
the value
Throws:
java.io.IOException

writeString

public Transfer writeString(java.lang.String s)
                     throws java.io.IOException
Write a string. The maximum string length is Integer.MAX_VALUE.

Parameters:
s - the value
Returns:
itself
Throws:
java.io.IOException

readString

public java.lang.String readString()
                            throws java.io.IOException
Read a string.

Returns:
the value
Throws:
java.io.IOException

writeBytes

public Transfer writeBytes(byte[] data)
                    throws java.io.IOException
Write a byte array.

Parameters:
data - the value
Returns:
itself
Throws:
java.io.IOException

readBytes

public byte[] readBytes()
                 throws java.io.IOException
Read a byte array.

Returns:
the value
Throws:
java.io.IOException

close

public void close()
Close the transfer object and the socket.


writeValue

public void writeValue(Value v)
                throws java.io.IOException
Write a value.

Parameters:
v - the value
Throws:
java.io.IOException

readValue

public Value readValue()
                throws java.io.IOException
Read a value.

Returns:
the value
Throws:
java.io.IOException

getSocket

public java.net.Socket getSocket()
Get the socket.

Returns:
the socket

setSession

public void setSession(SessionInterface session)
Set the session.

Parameters:
session - the session

setSSL

public void setSSL(boolean ssl)
Enable or disable SSL.

Parameters:
ssl - the new value

openNewConnection

public Transfer openNewConnection()
                           throws java.io.IOException
Open a new new connection to the same address and port as this one.

Returns:
the new transfer object
Throws:
java.io.IOException

setVersion

public void setVersion(int version)