XPRSobject
- java.lang.Object
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- com.dashoptimization.XPRSobject
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- All Implemented Interfaces:
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java.lang.AutoCloseable
- Direct Known Subclasses:
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XPRSbranchobject
,XPRSglobalenv
,XPRSmipsolenum
,XPRSmipsolpool
,XPRSnamelist
,XPRSprob
public abstract class XPRSobject extends java.lang.Object implements java.lang.AutoCloseable
Base class for optimizer related objects.
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Constructor Summary
Constructor Description XPRSobject()
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Method Summary
Modifier and Type Method Description abstract void
addMsgHandlerListener(XPRSmsgHandlerListener listener)
Set the listener for the MsgHandlercallback.abstract void
addMsgHandlerListener(XPRSmsgHandlerListener listener, java.lang.Object data)
Set the listener for the MsgHandlercallback.void
addMsgHandlerListener(java.io.OutputStream os)
Allow messages to be redirected to anOutputStream
.void
addMsgHandlerListener(java.io.Writer w)
Allow messages to be redirected to aWriter
.abstract void
close()
Deallocates resources associated with an XPRSobject.void
destroy()
Deprecated.Useclose()
instead.abstract java.lang.String
getLastError()
Returns last error message that occurred on this XPRSobjectboolean
isDestroyed()
Returns whether you've called destroyProb on this object.
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Method Detail
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isDestroyed
public boolean isDestroyed()
Returns whether you've called destroyProb on this object. Once an object has been destroyed, it can no longer be accessed.- Returns:
- A boolean value indicating whether this object is destroyed.
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destroy
@Deprecated public final void destroy() throws XPRSexception
Deprecated.Useclose()
instead.Deallocates resources associated with an XPRSobject- Throws:
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XPRSexception
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close
public abstract void close()
Deallocates resources associated with an XPRSobject.- Specified by:
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close
in interfacejava.lang.AutoCloseable
- Since:
- 38
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getLastError
public abstract java.lang.String getLastError() throws XPRSexception
Returns last error message that occurred on this XPRSobject- Returns:
- The last error message that occurred on this instance.
- Throws:
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XPRSexception
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addMsgHandlerListener
public abstract void addMsgHandlerListener(XPRSmsgHandlerListener listener) throws XPRSexception
Set the listener for the MsgHandlercallback. Note that an object can have at most one MsgHandler listener.- Parameters:
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listener
- The listener to which the event will be dispatched. - Throws:
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XPRSexception
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addMsgHandlerListener
public abstract void addMsgHandlerListener(XPRSmsgHandlerListener listener, java.lang.Object data) throws XPRSexception
Set the listener for the MsgHandlercallback. Note that an object can have at most one MsgHandler listener.- Parameters:
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listener
- The listener to which the event will be dispatched. -
data
- An additional object which will be passed down to the callback function - Throws:
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XPRSexception
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addMsgHandlerListener
public void addMsgHandlerListener(java.io.Writer w) throws XPRSexception
Allow messages to be redirected to aWriter
.- Parameters:
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w
- The writer to which messages are redirected. - Throws:
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XPRSexception
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addMsgHandlerListener
public void addMsgHandlerListener(java.io.OutputStream os) throws XPRSexception
Allow messages to be redirected to anOutputStream
.- Parameters:
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os
- The stream to which messages are redirected. - Throws:
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XPRSexception
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