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| <div class="block">Callback interface to interact with the ActiveStandbyElector object.</div> |
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| <td class="colFirst"><a href="../../../../org/apache/hadoop/ha/FenceMethod.html" title="interface in org.apache.hadoop.ha">FenceMethod</a></td> |
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| <div class="block">A fencing method is a method by which one node can forcibly prevent |
| another node from making continued progress.</div> |
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| <td class="colFirst"><a href="../../../../org/apache/hadoop/ha/HAServiceProtocol.html" title="interface in org.apache.hadoop.ha">HAServiceProtocol</a></td> |
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| <div class="block">Protocol interface that provides High Availability related primitives to |
| monitor and fail-over the service.</div> |
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| <div class="block">UsageInfo class holds args and help details.</div> |
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| <div class="block">Helper for making <a href="../../../../org/apache/hadoop/ha/HAServiceProtocol.html" title="interface in org.apache.hadoop.ha"><code>HAServiceProtocol</code></a> RPC calls.</div> |
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| <div class="block">Represents a target of the client side HA administration commands.</div> |
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| <div class="block">Fencer method that uses PowerShell to remotely connect to a machine and kill |
| the required process.</div> |
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| <div class="block">Fencing method that runs a shell command.</div> |
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| <div class="block">This fencing implementation sshes to the target node and uses |
| <code>fuser</code> to kill the process listening on the service's |
| TCP port.</div> |
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| <div class="block">An HA service may be in active or standby state.</div> |
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| <div class="block">Exception thrown when there is no active leader</div> |
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| <div class="block">Indicates that the operator has specified an invalid configuration |
| for fencing methods.</div> |
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| to modify the state of a service or application failed.</div> |
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