Class djm.dynamic.MasterImpl
java.lang.Object
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+--java.rmi.server.RemoteObject
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+--java.rmi.server.RemoteServer
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+--java.rmi.server.UnicastRemoteObject
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+--djm.dynamic.MasterImpl
- public abstract class MasterImpl
- extends java.rmi.server.UnicastRemoteObject
- implements Master
Master tasks are created by extending this class. Slave tasks are
created by extending SlaveImpl.
Note that master tasks must implement request.
- See Also:
- Serialized Form
Field Summary
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static java.io.PrintWriter
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out
Used instead of System.out so that applets can redirect io. |
Constructor Summary
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MasterImpl()
Creates a new master. |
Method Summary
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java.lang.Object
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registerSlave(Slave slave)
Slaves call this to register themselves. |
java.lang.Object
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request(int type,
java.lang.Object req)
Master tasks must implement this method. |
java.lang.Object
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unregisterSlave(Slave slave)
Slaves call this to unregister themselves. |
Methods inherited from class java.rmi.server.UnicastRemoteObject |
clone, exportObject, exportObject, exportObject, unexportObject |
Methods inherited from class java.rmi.server.RemoteServer |
getClientHost, getLog, setLog |
Methods inherited from class java.rmi.server.RemoteObject |
equals, getRef, hashCode, toString, toStub |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notifyAll, notify, toString, wait, wait, wait |
out
public static java.io.PrintWriter out
- Used instead of System.out so that applets can redirect io.
MasterImpl
public MasterImpl()
throws java.rmi.RemoteException
- Creates a new master.
registerSlave
public java.lang.Object registerSlave(Slave slave)
- Slaves call this to register themselves. Default implementation simply
returns null.
- Specified by:
- registerSlave in interface Master
unregisterSlave
public java.lang.Object unregisterSlave(Slave slave)
- Slaves call this to unregister themselves. Default implementation simply
returns null.
- Specified by:
- unregisterSlave in interface Master
request
public abstract java.lang.Object request(int type,
java.lang.Object req)
- Master tasks must implement this method. This is the only method
which must be implemented by master tasks.
- Specified by:
- request in interface Master