Examples with Operation io.pravega.segmentstore.server.logs.operations.Operation used on opensource projects

Example 51 with Operation

use of io.pravega.segmentstore.server.logs.operations.Operation in project pravega by pravega.

the class SegmentAggregator method reconcile.

private CompletableFuture<FlushResult> reconcile(TimeoutTimer timer) {
    assert this.state.get() == AggregatorState.Reconciling : "reconcile cannot be called if state == " + this.state;
    ReconciliationState rc = this.reconciliationState.get();
    assert rc != null : "reconciliationState is null";
    SegmentProperties storageInfo = rc.getStorageInfo();
    long traceId = LoggerHelpers.traceEnterWithContext(log, this.traceObjectId, "reconcile", rc);
    // Process each Operation in sequence, as long as its starting offset is less than ReconciliationState.getStorageInfo().getLength()
    FlushResult result = new FlushResult();
    AtomicBoolean exceededStorageLength = new AtomicBoolean(false);
    return Futures.loop(() -> this.operations.size() > 0 && !exceededStorageLength.get(), () -> {
        StorageOperation op = this.operations.getFirst();
        return reconcileOperation(op, storageInfo, timer).thenApply(partialFlushResult -> {
            if (op.getLastStreamSegmentOffset() >= storageInfo.getLength()) {
                // This operation crosses the boundary of StorageLength. It has been reconciled,
                // and as such it is the last operation that we need to inspect.
                exceededStorageLength.set(true);
            }
            log.info("{}: Reconciled {} ({}).", this.traceObjectId, op, partialFlushResult);
            return partialFlushResult;
        });
    }, result::withFlushResult, this.executor).thenApply(v -> {
        updateMetadata(storageInfo);
        this.reconciliationState.set(null);
        setState(AggregatorState.Writing);
        LoggerHelpers.traceLeave(log, this.traceObjectId, "reconcile", traceId, result);
        return result;
    });
}