/** * @param part Partition. * @param topVer Topology version. * @return Primary node for given key. */ @Nullable public GridNode primary(int part, long topVer) { Collection<GridNode> nodes = nodes(part, topVer); if (nodes.isEmpty()) return null; return nodes.iterator().next(); }
/** * @param part Partition. * @param topVer Topology version. * @return Backup nodes. */ public Collection<GridNode> backups(int part, long topVer) { Collection<GridNode> nodes = nodes(part, topVer); assert !F.isEmpty(nodes); if (nodes.size() <= 1) return Collections.emptyList(); return F.view(nodes, F.notEqualTo(nodes.iterator().next())); }
/** {@inheritDoc} */ @Override public Class<?> deployClass() { if (cls == null) { Class<?> cls0 = null; if (depCls != null) cls0 = depCls; else { for (Iterator<Object> it = objs.iterator(); (cls0 == null || U.isJdk(cls0)) && it.hasNext(); ) { Object o = it.next(); if (o != null) cls0 = U.detectClass(o); } if (cls0 == null || U.isJdk(cls0)) cls0 = GridDataLoaderImpl.class; } assert cls0 != null : "Failed to detect deploy class [objs=" + objs + ']'; cls = cls0; } return cls; }
/** {@inheritDoc} */ @SuppressWarnings("all") @Override public boolean writeTo(ByteBuffer buf) { commState.setBuffer(buf); if (!super.writeTo(buf)) return false; if (!commState.typeWritten) { if (!commState.putByte(directType())) return false; commState.typeWritten = true; } switch (commState.idx) { case 2: if (dataBytes != null) { if (commState.it == null) { if (!commState.putInt(dataBytes.size())) return false; commState.it = dataBytes.iterator(); } while (commState.it.hasNext() || commState.cur != NULL) { if (commState.cur == NULL) commState.cur = commState.it.next(); if (!commState.putByteArray((byte[]) commState.cur)) return false; commState.cur = NULL; } commState.it = null; } else { if (!commState.putInt(-1)) return false; } commState.idx++; case 3: if (!commState.putByteArray(errBytes)) return false; commState.idx++; case 4: if (!commState.putBoolean(fields)) return false; commState.idx++; case 5: if (!commState.putBoolean(finished)) return false; commState.idx++; case 6: if (metaDataBytes != null) { if (commState.it == null) { if (!commState.putInt(metaDataBytes.size())) return false; commState.it = metaDataBytes.iterator(); } while (commState.it.hasNext() || commState.cur != NULL) { if (commState.cur == NULL) commState.cur = commState.it.next(); if (!commState.putByteArray((byte[]) commState.cur)) return false; commState.cur = NULL; } commState.it = null; } else { if (!commState.putInt(-1)) return false; } commState.idx++; case 7: commState.idx++; case 8: if (!commState.putLong(reqId)) return false; commState.idx++; } return true; }
/** @throws Exception If failed. */ public void testEmptyProjections() throws Exception { final GridClientCompute dflt = client.compute(); Collection<? extends GridClientNode> nodes = dflt.nodes(); assertEquals(NODES_CNT, nodes.size()); Iterator<? extends GridClientNode> iter = nodes.iterator(); final GridClientCompute singleNodePrj = dflt.projection(Collections.singletonList(iter.next())); final GridClientNode second = iter.next(); final GridClientPredicate<GridClientNode> noneFilter = new GridClientPredicate<GridClientNode>() { @Override public boolean apply(GridClientNode node) { return false; } }; final GridClientPredicate<GridClientNode> targetFilter = new GridClientPredicate<GridClientNode>() { @Override public boolean apply(GridClientNode node) { return node.nodeId().equals(second.nodeId()); } }; GridTestUtils.assertThrows( log(), new Callable<Object>() { @Override public Object call() throws Exception { return dflt.projection(noneFilter).log(-1, -1); } }, GridServerUnreachableException.class, null); GridTestUtils.assertThrows( log(), new Callable<Object>() { @Override public Object call() throws Exception { return singleNodePrj.projection(second); } }, GridClientException.class, null); GridTestUtils.assertThrows( log(), new Callable<Object>() { @Override public Object call() throws Exception { return singleNodePrj.projection(targetFilter); } }, GridClientException.class, null); }