Revision 9288
Added by Jing Tao over 9 years ago
| src/edu/ucsb/nceas/metacat/dataone/MNodeService.java | ||
|---|---|---|
| 712 | 712 |
|
| 713 | 713 |
// no local replica, get a replica |
| 714 | 714 |
if ( object == null ) {
|
| 715 |
if(!supportV2Replication(mn.getCapabilities())) {
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|
| 716 |
//the source node is not a v2 node, we should use the v1 replication |
|
| 717 |
//this should be change when v3, v4 and et al comes out |
|
| 715 |
boolean success = true; |
|
| 716 |
try {
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|
| 717 |
//use the v2 ping api to connect the source node |
|
| 718 |
mn.ping(); |
|
| 719 |
} catch (Exception e) {
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|
| 720 |
success = false; |
|
| 721 |
} |
|
| 722 |
|
|
| 723 |
if(!success) {
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|
| 724 |
//The failure maybe is caused by that the source node is not a v2 node. We try to use the v1 replication. |
|
| 725 |
//If the failure is not caused by the version issue (e.g., it is a network connection issue), the following |
|
| 726 |
//command will fail as well. |
|
| 718 | 727 |
org.dataone.client.v1.MNode mNodeV1 = org.dataone.client.v1.itk.D1Client.getMN(sourceNode); |
| 719 | 728 |
object = mNodeV1.get(thisNodeSession, pid); |
| 720 | 729 |
} else {
|
Also available in: Unified diff
Use the status of mn.ping to guess the version of the source node in the replicate method.