Examples with BaseKVStoreClosure com.alipay.sofa.jraft.rhea.storage.BaseKVStoreClosure used on opensource projects

Example 11 with BaseKVStoreClosure

use of com.alipay.sofa.jraft.rhea.storage.BaseKVStoreClosure in project sofa-jraft by sofastack.

the class DefaultRegionKVService method handleScanRequest.

@Override
public void handleScanRequest(final ScanRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final ScanResponse response = new ScanResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final BaseKVStoreClosure kvStoreClosure = new BaseKVStoreClosure() {

            @SuppressWarnings("unchecked")
            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((List<KVEntry>) getData());
                } else {
                    setFailure(request, response, status, getError());
                }
                closure.sendResponse(response);
            }
        };
        if (request.isReverse()) {
            this.rawKVStore.reverseScan(request.getStartKey(), request.getEndKey(), request.getLimit(), request.isReadOnlySafe(), request.isReturnValue(), kvStoreClosure);
        } else {
            this.rawKVStore.scan(request.getStartKey(), request.getEndKey(), request.getLimit(), request.isReadOnlySafe(), request.isReturnValue(), kvStoreClosure);
        }
    } catch (final Throwable t) {
        LOG.error("Failed to handle: {}, {}.", request, StackTraceUtil.stackTrace(t));
        response.setError(Errors.forException(t));
        closure.sendResponse(response);
    }
}

Example 12 with BaseKVStoreClosure

use of com.alipay.sofa.jraft.rhea.storage.BaseKVStoreClosure in project sofa-jraft by sofastack.

the class DefaultRegionKVService method handleBatchDeleteRequest.

@Override
public void handleBatchDeleteRequest(final BatchDeleteRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final BatchDeleteResponse response = new BatchDeleteResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final List<byte[]> keys = KVParameterRequires.requireNonEmpty(request.getKeys(), "delete.keys");
        this.rawKVStore.delete(keys, new BaseKVStoreClosure() {

            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((Boolean) getData());
                } else {
                    setFailure(request, response, status, getError());
                }
                closure.sendResponse(response);
            }
        });
    } catch (final Throwable t) {
        LOG.error("Failed to handle: {}, {}.", request, StackTraceUtil.stackTrace(t));
        response.setError(Errors.forException(t));
        closure.sendResponse(response);
    }
}

Example 13 with BaseKVStoreClosure

use of com.alipay.sofa.jraft.rhea.storage.BaseKVStoreClosure in project sofa-jraft by sofastack.

the class DefaultRegionKVService method handleMultiGetRequest.

@Override
public void handleMultiGetRequest(final MultiGetRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final MultiGetResponse response = new MultiGetResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final List<byte[]> keys = KVParameterRequires.requireNonEmpty(request.getKeys(), "multiGet.keys");
        this.rawKVStore.multiGet(keys, request.isReadOnlySafe(), new BaseKVStoreClosure() {

            @SuppressWarnings("unchecked")
            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((Map<ByteArray, byte[]>) getData());
                } else {
                    setFailure(request, response, status, getError());
                }
                closure.sendResponse(response);
            }
        });
    } catch (final Throwable t) {
        LOG.error("Failed to handle: {}, {}.", request, StackTraceUtil.stackTrace(t));
        response.setError(Errors.forException(t));
        closure.sendResponse(response);
    }
}

Example 14 with BaseKVStoreClosure

use of com.alipay.sofa.jraft.rhea.storage.BaseKVStoreClosure in project sofa-jraft by sofastack.

the class DefaultRegionKVService method handleRangeSplitRequest.

@Override
public void handleRangeSplitRequest(final RangeSplitRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final RangeSplitResponse response = new RangeSplitResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        // do not need to check the region epoch
        final Long newRegionId = KVParameterRequires.requireNonNull(request.getNewRegionId(), "rangeSplit.newRegionId");
        this.regionEngine.getStoreEngine().applySplit(request.getRegionId(), newRegionId, new BaseKVStoreClosure() {

            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((Boolean) getData());
                } else {
                    setFailure(request, response, status, getError());
                }
                closure.sendResponse(response);
            }
        });
    } catch (final Throwable t) {
        LOG.error("Failed to handle: {}, {}.", request, StackTraceUtil.stackTrace(t));
        response.setError(Errors.forException(t));
        closure.sendResponse(response);
    }
}

Example 15 with BaseKVStoreClosure

use of com.alipay.sofa.jraft.rhea.storage.BaseKVStoreClosure in project sofa-jraft by sofastack.

the class DefaultRegionKVService method handleResetSequence.

@Override
public void handleResetSequence(final ResetSequenceRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final ResetSequenceResponse response = new ResetSequenceResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final byte[] seqKey = KVParameterRequires.requireNonNull(request.getSeqKey(), "sequence.seqKey");
        this.rawKVStore.resetSequence(seqKey, new BaseKVStoreClosure() {

            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((Boolean) getData());
                } else {
                    setFailure(request, response, status, getError());
                }
                closure.sendResponse(response);
            }
        });
    } catch (final Throwable t) {
        LOG.error("Failed to handle: {}, {}.", request, StackTraceUtil.stackTrace(t));
        response.setError(Errors.forException(t));
        closure.sendResponse(response);
    }
}