public void setStackInstanceStatus(String stackInstanceStatus) {
        this.stackInstanceStatus = stackInstanceStatus;
    }
<p>
The status of the stack instance, in terms of its synchronization with its associated stack set.
</p>
<ul>
<li>
<p>
<code>INOPERABLE</code>: A <code>DeleteStackInstances</code> operation has failed and left the stack in an
unstable state. Stacks in this state are excluded from further <code>UpdateStackSet</code> operations. You might
need to perform a <code>DeleteStackInstances</code> operation, with <code>RetainStacks</code> set to true, to
delete the stack instance, and then delete the stack manually.
</p>
</li>
<li>
<p>
<code>OUTDATED</code>: The stack isn't currently up to date with the stack set because either the associated
stack failed during a <code>CreateStackSet</code> or <code>UpdateStackSet</code> operation, or the stack was part
of a <code>CreateStackSet</code> or <code>UpdateStackSet</code> operation that failed or was stopped before the
stack was created or updated.
</p>
</li>
<li>
<p>
<code>CURRENT</code>: The stack is currently up to date with the stack set.
</p>
</li>
</ul>

@param stackInstanceStatus
       The status of the stack instance, in terms of its synchronization with its associated stack set. </p>
       <ul>
       <li>
       <p>
       <code>INOPERABLE</code>: A <code>DeleteStackInstances</code> operation has failed and left the stack in an
       unstable state. Stacks in this state are excluded from further <code>UpdateStackSet</code> operations. You
       might need to perform a <code>DeleteStackInstances</code> operation, with <code>RetainStacks</code> set to
       true, to delete the stack instance, and then delete the stack manually.
       </p>
       </li>
       <li>
       <p>
       <code>OUTDATED</code>: The stack isn't currently up to date with the stack set because either the
       associated stack failed during a <code>CreateStackSet</code> or <code>UpdateStackSet</code> operation, or
       the stack was part of a <code>CreateStackSet</code> or <code>UpdateStackSet</code> operation that failed
       or was stopped before the stack was created or updated.
       </p>
       </li>
       <li>
       <p>
       <code>CURRENT</code>: The stack is currently up to date with the stack set.
       </p>
       </li>
@see StackInstanceStatus
aws-java-sdk-servicecatalog/src/main/java/com/amazonaws/services/servicecatalog/model/StackInstance.java