net.sf.hajdbc.distributable

Class AbstractCommand

java.lang.Object

net.sf.hajdbc.distributable.AbstractCommand

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, Command<java.lang.Boolean>

Direct Known Subclasses:

ActivateCommand, DeactivateCommand

public abstract class AbstractCommand
extends java.lang.Object
implements Command<java.lang.Boolean>, java.io.Externalizable

Represents a database command to be executed on a given database cluster.

Since:

1.0

Author:

Paul Ferraro

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	databaseId

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractCommand() Constructs a new AbstractDatabaseCommand.
	AbstractCommand(java.lang.String databaseId) Constructs a new AbstractDatabaseCommand.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	marshalResult(java.lang.Boolean result)
void	readExternal(java.io.ObjectInput input)
java.lang.String	toString()
java.lang.Boolean	unmarshalResult(java.lang.Object result)
void	writeExternal(java.io.ObjectOutput output)

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.hajdbc.distributable.Command

execute

Field Detail

databaseId

protected java.lang.String databaseId

Constructor Detail

AbstractCommand

protected AbstractCommand()

Constructs a new AbstractDatabaseCommand.

AbstractCommand

public AbstractCommand(java.lang.String databaseId)

Constructs a new AbstractDatabaseCommand.

Parameters:

databaseId - a database identifier

Method Detail

writeExternal

public void writeExternal(java.io.ObjectOutput output)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

See Also:

Externalizable.writeExternal(java.io.ObjectOutput)

readExternal

public void readExternal(java.io.ObjectInput input)
                  throws java.io.IOException

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

See Also:

Externalizable.readExternal(java.io.ObjectInput)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

marshalResult

public java.lang.Object marshalResult(java.lang.Boolean result)

Specified by:

marshalResult in interface Command<java.lang.Boolean>

See Also:

Command.marshalResult(java.lang.Object)

unmarshalResult

public java.lang.Boolean unmarshalResult(java.lang.Object result)

Specified by:

unmarshalResult in interface Command<java.lang.Boolean>

See Also:

Command.unmarshalResult(java.lang.Object)