Examples with Predicate java.util.function.Predicate used on opensource projects

Example 81 with Predicate

use of java.util.function.Predicate in project graal by oracle.

the class SuspensionFilterTest method testSourceFilter.

@Test
public void testSourceFilter() {
    final Source source1 = Source.newBuilder(InstrumentationTestLanguage.ID, "ROOT(\n" + "  DEFINE(foo1,\n" + "    STATEMENT(CONSTANT(43))\n" + "  ))\n", "Source1").buildLiteral();
    final Source source2 = Source.newBuilder(InstrumentationTestLanguage.ID, "ROOT(\n" + "  DEFINE(foo2,\n" + "    STATEMENT(CONSTANT(44))\n" + "  ))\n", "Source2").buildLiteral();
    final Source source3 = testSource("ROOT(\n" + "  CALL(foo1),\n" + "  CALL(foo2),\n" + "  STATEMENT(CALL(foo1)),\n" + "  STATEMENT(CALL(foo2)),\n" + "  STATEMENT(CALL(foo1)),\n" + "  STATEMENT(CALL(foo2)),\n" + "  STATEMENT(CONSTANT(100))\n" + ")\n");
    try (DebuggerSession session = startSession()) {
        // Filter out all sections
        SuspensionFilter suspensionFilter = SuspensionFilter.newBuilder().sourceIs(s -> false).build();
        session.setSteppingFilter(suspensionFilter);
        session.suspendNextExecution();
        startEval(source1);
        expectDone();
        startEval(source2);
        expectDone();
        startEval(source3);
        expectDone();
        Predicate<com.oracle.truffle.api.source.Source> filterSource1 = source -> {
            return source.getName().indexOf("Source1") < 0;
        };
        suspensionFilter = SuspensionFilter.newBuilder().sourceIs(filterSource1).build();
        session.setSteppingFilter(suspensionFilter);
        session.suspendNextExecution();
        startEval(source3);
        // Skip foo1 and suspend in foo2:
        expectSuspended((SuspendedEvent event) -> {
            checkState(event, 3, true, "STATEMENT(CONSTANT(44))");
            event.prepareStepOver(1);
        });
        expectSuspended((SuspendedEvent event) -> {
            checkState(event, 3, false, "CALL(foo2)");
            event.prepareStepInto(1);
        });
        expectSuspended((SuspendedEvent event) -> {
            checkState(event, 4, true, "STATEMENT(CALL(foo1))");
            event.prepareStepInto(1);
        });
        expectSuspended((SuspendedEvent event) -> {
            checkState(event, 5, true, "STATEMENT(CALL(foo2))");
            event.prepareStepInto(1);
        });
        expectSuspended((SuspendedEvent event) -> {
            checkState(event, 3, true, "STATEMENT(CONSTANT(44))");
            event.prepareStepInto(2);
        });
        // Change the filter to filter Source2 out:
        expectSuspended((SuspendedEvent event) -> {
            checkState(event, 6, true, "STATEMENT(CALL(foo1))");
            Predicate<com.oracle.truffle.api.source.Source> filterSource2 = source -> {
                return source.getName().indexOf("Source2") < 0;
            };
            session.setSteppingFilter(SuspensionFilter.newBuilder().sourceIs(filterSource2).build());
            event.prepareStepInto(1);
        });
        expectSuspended((SuspendedEvent event) -> {
            checkState(event, 3, true, "STATEMENT(CONSTANT(43))");
            event.prepareStepOut(1).prepareStepOver(1).prepareStepInto(1);
        });
        expectSuspended((SuspendedEvent event) -> {
            checkState(event, 8, true, "STATEMENT(CONSTANT(100))");
            event.prepareContinue();
        });
        expectDone();
    }
}

Example 82 with Predicate

use of java.util.function.Predicate in project minecolonies by Minecolonies.

the class AbstractBuilding method getRequiredItemsAndAmount.

/**
 * Override this method if you want to keep an amount of items in inventory.
 * When the inventory is full, everything get's dumped into the building chest.
 * But you can use this method to hold some stacks back.
 *
 * @return a list of objects which should be kept.
 */
public Map<Predicate<ItemStack>, Integer> getRequiredItemsAndAmount() {
    final Map<Predicate<ItemStack>, Integer> toKeep = new HashMap<>();
    toKeep.putAll(keepX);
    final IRequestManager manager = colony.getRequestManager();
    toKeep.put(stack -> this.getOpenRequestsByCitizen().values().stream().anyMatch(list -> list.stream().anyMatch(token -> manager.getRequestForToken(token).getRequest() instanceof IDeliverable && ((IDeliverable) manager.getRequestForToken(token).getRequest()).matches(stack))), Integer.MAX_VALUE);
    return toKeep;
}

Example 83 with Predicate

use of java.util.function.Predicate in project minecolonies by Minecolonies.

the class AbstractBuilding method buildingRequiresCertainAmountOfItem.

/**
 * Check if the worker requires a certain amount of that item and the alreadykept list contains it.
 * Always leave one stack behind if the worker requires a certain amount of it. Just to be sure.
 *
 * @param stack            the stack to check it with.
 * @param localAlreadyKept already kept items.
 * @return true if it should be leave it behind.
 */
public boolean buildingRequiresCertainAmountOfItem(final ItemStack stack, final List<ItemStorage> localAlreadyKept) {
    for (final Map.Entry<Predicate<ItemStack>, Integer> entry : getRequiredItemsAndAmount().entrySet()) {
        if (entry.getKey().test(stack)) {
            final ItemStorage kept = ItemStorage.getItemStackOfListMatchingPredicate(localAlreadyKept, entry.getKey());
            if (kept != null) {
                if (kept.getAmount() >= entry.getValue()) {
                    return false;
                }
                localAlreadyKept.remove(kept);
                kept.setAmount(kept.getAmount() + ItemStackUtils.getSize(stack));
                localAlreadyKept.add(kept);
                return true;
            }
            localAlreadyKept.add(new ItemStorage(stack));
            return true;
        }
    }
    return false;
}

Example 84 with Predicate

use of java.util.function.Predicate in project bookkeeper by apache.

the class ListUnderReplicatedLedgerService method handle.

/*
     * Print the node which holds the auditor lock.
     */
@Override
public HttpServiceResponse handle(HttpServiceRequest request) throws Exception {
    HttpServiceResponse response = new HttpServiceResponse();
    // parameter as this: ?missingreplica=<bookie_address>&excludingmissingreplica=<bookid_address>
    Map<String, String> params = request.getParams();
    if (HttpServer.Method.GET == request.getMethod()) {
        final String includingBookieId;
        final String excludingBookieId;
        if (params != null && params.containsKey("missingreplica")) {
            includingBookieId = params.get("missingreplica");
        } else {
            includingBookieId = null;
        }
        if (params != null && params.containsKey("excludingmissingreplica")) {
            excludingBookieId = params.get("excludingmissingreplica");
        } else {
            excludingBookieId = null;
        }
        Predicate<List<String>> predicate = null;
        if (!StringUtils.isBlank(includingBookieId) && !StringUtils.isBlank(excludingBookieId)) {
            predicate = replicasList -> (replicasList.contains(includingBookieId) && !replicasList.contains(excludingBookieId));
        } else if (!StringUtils.isBlank(includingBookieId)) {
            predicate = replicasList -> replicasList.contains(includingBookieId);
        } else if (!StringUtils.isBlank(excludingBookieId)) {
            predicate = replicasList -> !replicasList.contains(excludingBookieId);
        }
        try {
            List<Long> outputLedgers = Lists.newArrayList();
            LedgerManagerFactory mFactory = bookieServer.getBookie().getLedgerManagerFactory();
            LedgerUnderreplicationManager underreplicationManager = mFactory.newLedgerUnderreplicationManager();
            Iterator<Long> iter = underreplicationManager.listLedgersToRereplicate(predicate);
            while (iter.hasNext()) {
                outputLedgers.add(iter.next());
            }
            if (outputLedgers.isEmpty()) {
                response.setCode(HttpServer.StatusCode.NOT_FOUND);
                response.setBody("No under replicated ledgers found");
                return response;
            } else {
                response.setCode(HttpServer.StatusCode.OK);
                String jsonResponse = JsonUtil.toJson(outputLedgers);
                LOG.debug("output body: " + jsonResponse);
                response.setBody(jsonResponse);
                return response;
            }
        } catch (Exception e) {
            LOG.error("Exception occurred while listing under replicated ledgers", e);
            response.setCode(HttpServer.StatusCode.NOT_FOUND);
            response.setBody("Exception when get." + e.getMessage());
            return response;
        }
    } else {
        response.setCode(HttpServer.StatusCode.NOT_FOUND);
        response.setBody("Not found method. Should be GET method");
        return response;
    }
}

Example 85 with Predicate

use of java.util.function.Predicate in project bookkeeper by apache.

the class BookKeeperAdmin method decommissionBookie.

/**
 * Triggers AuditTask by resetting lostBookieRecoveryDelay and then make
 * sure the ledgers stored in the given decommissioning bookie are properly
 * replicated and they are not underreplicated because of the given bookie.
 * This method waits untill there are no underreplicatedledgers because of this
 * bookie. If the given Bookie is not shutdown yet, then it will throw
 * BKIllegalOpException.
 *
 * @param bookieAddress
 *            address of the decommissioning bookie
 * @throws CompatibilityException
 * @throws UnavailableException
 * @throws KeeperException
 * @throws InterruptedException
 * @throws IOException
 * @throws BKAuditException
 * @throws TimeoutException
 * @throws BKException
 */
public void decommissionBookie(BookieSocketAddress bookieAddress) throws CompatibilityException, UnavailableException, KeeperException, InterruptedException, IOException, BKAuditException, TimeoutException, BKException {
    if (getAvailableBookies().contains(bookieAddress) || getReadOnlyBookies().contains(bookieAddress)) {
        LOG.error("Bookie: {} is not shutdown yet", bookieAddress);
        throw BKException.create(BKException.Code.IllegalOpException);
    }
    triggerAudit();
    /*
         * Sleep for 30 secs, so that Auditor gets chance to trigger its
         * force audittask and let the underreplicationmanager process
         * to do its replication process
         */
    Thread.sleep(30 * 1000);
    /*
         * get the collection of the ledgers which are stored in this
         * bookie, by making a call to
         * bookieLedgerIndexer.getBookieToLedgerIndex.
         */
    BookieLedgerIndexer bookieLedgerIndexer = new BookieLedgerIndexer(bkc.ledgerManager);
    Map<String, Set<Long>> bookieToLedgersMap = bookieLedgerIndexer.getBookieToLedgerIndex();
    Set<Long> ledgersStoredInThisBookie = bookieToLedgersMap.get(bookieAddress.toString());
    if ((ledgersStoredInThisBookie != null) && (!ledgersStoredInThisBookie.isEmpty())) {
        /*
             * wait untill all the ledgers are replicated to other
             * bookies by making sure that these ledgers metadata don't
             * contain this bookie as part of their ensemble.
             */
        waitForLedgersToBeReplicated(ledgersStoredInThisBookie, bookieAddress, bkc.ledgerManager);
    }
    // for double-checking, check if any ledgers are listed as underreplicated because of this bookie
    Predicate<List<String>> predicate = replicasList -> replicasList.contains(bookieAddress.toString());
    Iterator<Long> urLedgerIterator = underreplicationManager.listLedgersToRereplicate(predicate);
    if (urLedgerIterator.hasNext()) {
        // if there are any then wait and make sure those ledgers are replicated properly
        LOG.info("Still in some underreplicated ledgers metadata, this bookie is part of its ensemble. " + "Have to make sure that those ledger fragments are rereplicated");
        List<Long> urLedgers = new ArrayList<>();
        urLedgerIterator.forEachRemaining(urLedgers::add);
        waitForLedgersToBeReplicated(urLedgers, bookieAddress, bkc.ledgerManager);
    }
}