use of org.tikv.kvproto.Kvrpcpb.GetRequest in project client-java by tikv.
the class RegionStoreClient method get.
/**
* Fetch a value according to a key
*
* @param backOffer backOffer
* @param key key to fetch
* @param version key version
* @return value
* @throws TiClientInternalException TiSpark Client exception, unexpected
* @throws KeyException Key may be locked
*/
public ByteString get(BackOffer backOffer, ByteString key, long version) throws TiClientInternalException, KeyException {
boolean forWrite = false;
Supplier<GetRequest> factory = () -> GetRequest.newBuilder().setContext(makeContext(getResolvedLocks(version), this.storeType, backOffer.getSlowLog())).setKey(key).setVersion(version).build();
KVErrorHandler<GetResponse> handler = new KVErrorHandler<>(regionManager, this, lockResolverClient, resp -> resp.hasRegionError() ? resp.getRegionError() : null, resp -> resp.hasError() ? resp.getError() : null, resolveLockResult -> addResolvedLocks(version, resolveLockResult.getResolvedLocks()), version, forWrite);
GetResponse resp = callWithRetry(backOffer, TikvGrpc.getKvGetMethod(), factory, handler);
handleGetResponse(resp);
return resp.getValue();
}
use of org.tikv.kvproto.Kvrpcpb.GetRequest in project tispark by pingcap.
the class RegionStoreClient method get.
/**
* Fetch a value according to a key
*
* @param backOffer backOffer
* @param key key to fetch
* @param version key version
* @return value
* @throws TiClientInternalException TiSpark Client exception, unexpected
* @throws KeyException Key may be locked
*/
public ByteString get(BackOffer backOffer, ByteString key, long version) throws TiClientInternalException, KeyException {
boolean forWrite = false;
Supplier<GetRequest> factory = () -> GetRequest.newBuilder().setContext(region.getContext(getResolvedLocks(version))).setKey(key).setVersion(version).build();
KVErrorHandler<GetResponse> handler = new KVErrorHandler<>(regionManager, this, lockResolverClient, resp -> resp.hasRegionError() ? resp.getRegionError() : null, resp -> resp.hasError() ? resp.getError() : null, resolveLockResult -> addResolvedLocks(version, resolveLockResult.getResolvedLocks()), version, forWrite);
GetResponse resp = callWithRetry(backOffer, TikvGrpc.getKvGetMethod(), factory, handler);
handleGetResponse(resp);
return resp.getValue();
}
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