Examples with PlatformOutputStream org.apache.ignite.internal.processors.platform.memory.PlatformOutputStream used on opensource projects

Example 46 with PlatformOutputStream

use of org.apache.ignite.internal.processors.platform.memory.PlatformOutputStream in project ignite by apache.

the class PlatformAbstractFunc method invoke.

/**
 * Invokes this instance.
 *
 * @return Invocation result.
 */
protected Object invoke() throws IgniteCheckedException {
    assert ignite != null;
    PlatformContext ctx = PlatformUtils.platformContext(ignite);
    try (PlatformMemory mem = ctx.memory().allocate()) {
        PlatformOutputStream out = mem.output();
        if (ptr != 0) {
            out.writeBoolean(true);
            out.writeLong(ptr);
        } else {
            out.writeBoolean(false);
            ctx.writer(out).writeObject(func);
        }
        out.synchronize();
        platformCallback(ctx.gateway(), mem.pointer());
        PlatformInputStream in = mem.input();
        in.synchronize();
        return PlatformUtils.readInvocationResult(ctx, ctx.reader(in));
    }
}

Example 47 with PlatformOutputStream

use of org.apache.ignite.internal.processors.platform.memory.PlatformOutputStream in project ignite by apache.

the class PlatformAbstractTask method onDone.

/**
 * Callback invoked when task future is completed and all resources could be safely cleaned up.
 *
 * @param e If failed.
 */
public void onDone(Exception e) {
    lock.writeLock().lock();
    try {
        assert !done;
        if (e == null)
            // Normal completion.
            ctx.gateway().computeTaskComplete(taskPtr, 0);
        else {
            PlatformNativeException e0 = X.cause(e, PlatformNativeException.class);
            try (PlatformMemory mem = ctx.memory().allocate()) {
                PlatformOutputStream out = mem.output();
                BinaryRawWriterEx writer = ctx.writer(out);
                if (e0 == null) {
                    writer.writeBoolean(false);
                    writer.writeString(e.getClass().getName());
                    writer.writeString(e.getMessage());
                    writer.writeString(X.getFullStackTrace(e));
                } else {
                    writer.writeBoolean(true);
                    writer.writeObject(e0.cause());
                }
                out.synchronize();
                ctx.gateway().computeTaskComplete(taskPtr, mem.pointer());
            }
        }
    } finally {
        // Done flag is set irrespective of any exceptions.
        done = true;
        lock.writeLock().unlock();
    }
}

Example 48 with PlatformOutputStream

use of org.apache.ignite.internal.processors.platform.memory.PlatformOutputStream in project ignite by apache.

the class PlatformAbstractTask method result.

/**
 * {@inheritDoc}
 */
@Override
public ComputeJobResultPolicy result(ComputeJobResult res, List<ComputeJobResult> rcvd) {
    assert rcvd.isEmpty() : "Should not cache result in Java for interop task";
    lock.readLock().lock();
    try {
        assert !done;
        PlatformAbstractJob job = res.getJob();
        assert job.pointer() != 0;
        Object res0bj = res.getData();
        int plc;
        if (res0bj == PlatformAbstractJob.LOC_JOB_RES)
            // Processing local job execution result.
            plc = ctx.gateway().computeTaskLocalJobResult(taskPtr, job.pointer());
        else {
            // Processing remote job execution result or exception.
            try (PlatformMemory mem = ctx.memory().allocate()) {
                PlatformOutputStream out = mem.output();
                BinaryRawWriterEx writer = ctx.writer(out);
                writer.writeLong(taskPtr);
                writer.writeLong(job.pointer());
                writer.writeUuid(res.getNode().id());
                writer.writeBoolean(res.isCancelled());
                IgniteException err = res.getException();
                PlatformUtils.writeInvocationResult(writer, res0bj, err);
                out.synchronize();
                plc = ctx.gateway().computeTaskJobResult(mem.pointer());
            }
        }
        ComputeJobResultPolicy plc0 = ComputeJobResultPolicy.fromOrdinal((byte) plc);
        assert plc0 != null : plc;
        return plc0;
    } finally {
        lock.readLock().unlock();
    }
}

Example 49 with PlatformOutputStream

use of org.apache.ignite.internal.processors.platform.memory.PlatformOutputStream in project ignite by apache.

the class PlatformClosureJob method execute0.

/**
 * {@inheritDoc}
 */
@Nullable
@Override
public Object execute0(PlatformContext ctx) throws IgniteCheckedException {
    if (task == null) {
        // Remote job execution.
        assert ptr == 0;
        createJob(ctx);
        try (PlatformMemory mem = ctx.memory().allocate()) {
            PlatformOutputStream out = mem.output();
            out.writeLong(ptr);
            // cancel
            out.writeBoolean(false);
            out.synchronize();
            ctx.gateway().computeJobExecute(mem.pointer());
            PlatformInputStream in = mem.input();
            in.synchronize();
            BinaryRawReaderEx reader = ctx.reader(in);
            return PlatformUtils.readInvocationResult(ctx, reader);
        } finally {
            ctx.gateway().computeJobDestroy(ptr);
        }
    } else {
        // Local job execution.
        assert ptr != 0;
        return runLocal(ctx, false);
    }
}

Example 50 with PlatformOutputStream

use of org.apache.ignite.internal.processors.platform.memory.PlatformOutputStream in project ignite by apache.

the class PlatformAbstractJob method createJob.

/**
 * Create job in native platform if needed.
 *
 * @param ctx Context.
 * @return {@code True} if job was created, {@code false} if this is local job and creation is not necessary.
 * @throws org.apache.ignite.IgniteCheckedException If failed.
 */
protected boolean createJob(PlatformContext ctx) throws IgniteCheckedException {
    if (ptr == 0) {
        try (PlatformMemory mem = ctx.memory().allocate()) {
            PlatformOutputStream out = mem.output();
            BinaryRawWriterEx writer = ctx.writer(out);
            writer.writeObject(job);
            out.synchronize();
            ptr = ctx.gateway().computeJobCreate(mem.pointer());
        }
        return true;
    } else
        return false;
}