org.eclipse.dstore.core.model
Interface IDataStoreCompatibilityHandler

All Known Implementing Classes:

DefaultDataStoreCompatibilityHandler

public interface IDataStoreCompatibilityHandler

Since:

3.0

Field Summary

static int	HANDSHAKE_CORRECT
static int	HANDSHAKE_INCORRECT
static int	HANDSHAKE_SERVER_NEWER
static int	HANDSHAKE_SERVER_OLDER
static int	HANDSHAKE_SERVER_RECENT_NEWER
static int	HANDSHAKE_SERVER_RECENT_OLDER
static int	HANDSHAKE_TIMEOUT
static int	HANDSHAKE_UNEXPECTED
static int	VERSION_INDEX_MINOR
static int	VERSION_INDEX_PROTOCOL
static int	VERSION_INDEX_VERSION

Method Summary

int	checkCompatibility(String handshake) Checks whether a server is compatible with the current client
void	handleMissingCommand(DataElement descriptor, String keyName) This method is called to notify the compatibility handler that a call to localDescriptorQuery() failed to return a result.

Field Detail

HANDSHAKE_INCORRECT

public static final int HANDSHAKE_INCORRECT

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Constant Field Values

HANDSHAKE_SERVER_OLDER

public static final int HANDSHAKE_SERVER_OLDER

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Constant Field Values

HANDSHAKE_CORRECT

public static final int HANDSHAKE_CORRECT

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Constant Field Values

HANDSHAKE_UNEXPECTED

public static final int HANDSHAKE_UNEXPECTED

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Constant Field Values

HANDSHAKE_SERVER_NEWER

public static final int HANDSHAKE_SERVER_NEWER

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Constant Field Values

HANDSHAKE_SERVER_RECENT_OLDER

public static final int HANDSHAKE_SERVER_RECENT_OLDER

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Constant Field Values

HANDSHAKE_SERVER_RECENT_NEWER

public static final int HANDSHAKE_SERVER_RECENT_NEWER

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Constant Field Values

HANDSHAKE_TIMEOUT

public static final int HANDSHAKE_TIMEOUT

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Constant Field Values

VERSION_INDEX_PROTOCOL

public static final int VERSION_INDEX_PROTOCOL

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Constant Field Values

VERSION_INDEX_VERSION

public static final int VERSION_INDEX_VERSION

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Constant Field Values

VERSION_INDEX_MINOR

public static final int VERSION_INDEX_MINOR

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Constant Field Values

Method Detail

checkCompatibility

public int checkCompatibility(String handshake)

Checks whether a server is compatible with the current client

Parameters:

handshake - the server handshake string in the form ..

Returns:

whether this is considered compatible with the client datastore version

handleMissingCommand

public void handleMissingCommand(DataElement descriptor,
                                 String keyName)

This method is called to notify the compatibility handler that a call to localDescriptorQuery() failed to return a result.

Parameters:

descriptor - the object descriptor that the command was looked for under

keyName - the value of the command descriptor to look for