Example usage for com.google.common.util.concurrent Atomics newReference

Introduction

In this page you can find the example usage for com.google.common.util.concurrent Atomics newReference.

Prototype

public static <V> AtomicReference<V> newReference() 

Source Link

Document

Creates an AtomicReference instance with no initial value.

Usage

From source file:org.jclouds.scriptbuilder.functions.CredentialsFromAdminAccess.java

@Override
public Credentials apply(@Nullable Statement input) {
    if (input == null)
        return null;
    if (input instanceof AcceptsStatementVisitor) {
        final AtomicReference<Credentials> credsHolder = Atomics.newReference();
        AcceptsStatementVisitor.class.cast(input).accept(new StatementVisitor() {

            @Override/*from   www. jav a 2s  .  c  o  m*/
            public void visit(Statement in) {
                if (credsHolder.get() == null) {
                    Credentials creds = apply(in);
                    if (creds != null)
                        credsHolder.set(creds);
                }
            }

        });
        return credsHolder.get();
    } else if (input instanceof AdminAccess) {
        return AdminAccess.class.cast(input).getAdminCredentials();
    } else {
        return null;
    }
}

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From source file:com.android.tools.idea.debug.AnnotationsRenderer.java

@NotNull
private static Result renderIntDefAnnotation(@NotNull final PsiAnnotation annotation, final int value) {
    final AtomicReference<AndroidResolveHelper.IntDefResolution> valuesRef = Atomics.newReference();

    ApplicationManager.getApplication().runReadAction(new Runnable() {
        @Override/*from  w w w. ja  v  a2s.  c o m*/
        public void run() {
            valuesRef.set(AndroidResolveHelper.resolveIntDef(annotation));
        }
    });

    AndroidResolveHelper.IntDefResolution intDef = valuesRef.get();
    if (intDef.valuesMap == null) {
        renderUnknown("IntDef", value);
    }

    return new Result(String.format(Locale.US, "0x%1$08x {%2$s}", value, renderIntDef(value, intDef)), null);
}

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From source file:com.google.gerrit.sshd.AliasCommand.java

AliasCommand(@CommandName(Commands.ROOT) DispatchCommandProvider root, Provider<CurrentUser> currentUser,
        CommandName command) {//from  www  .j a  v a2s. c o m
    this.root = root;
    this.currentUser = currentUser;
    this.command = command;
    this.atomicCmd = Atomics.newReference();
}

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From source file:com.googlesource.gerrit.plugins.replication.OnStartStop.java

@Inject
protected OnStartStop(ServerInformation srvInfo, PushAll.Factory pushAll, ReplicationQueue queue,
        ReplicationConfig config, DynamicItem<EventDispatcher> eventDispatcher) {
    this.srvInfo = srvInfo;
    this.pushAll = pushAll;
    this.queue = queue;
    this.config = config;
    this.eventDispatcher = eventDispatcher;
    this.pushAllFuture = Atomics.newReference();
}

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From source file:com.google.gerrit.sshd.DispatchCommand.java

@Inject
DispatchCommand(final Provider<CurrentUser> cu, @Assisted final Map<String, CommandProvider> all) {
    currentUser = cu;/*from w ww . ja v  a2  s.com*/
    commands = all;
    atomicCmd = Atomics.newReference();
}

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From source file:org.jclouds.http.functions.ParseFirstJsonValueNamed.java

@Override
public T apply(HttpResponse arg0) {
    if (arg0.getPayload() == null)
        return nothing();
    JsonReader reader = null;/*from  ww w. ja  v a 2 s  .com*/
    try {
        reader = new JsonReader(new InputStreamReader(arg0.getPayload().getInput()));
        // in case keys are not in quotes
        reader.setLenient(true);
        AtomicReference<String> name = Atomics.newReference();
        JsonToken token = reader.peek();
        for (; token != JsonToken.END_DOCUMENT
                && nnn(reader, token, name); token = skipAndPeek(token, reader)) {
        }
        if (name.get() == null) {
            logger.trace("did not object named %s in json from response %s", nameChoices, arg0);
            return nothing();
        } else if (nameChoices.contains(name.get())) {
            return json.delegate().<T>fromJson(reader, type.getType());
        } else {
            return nothing();
        }
    } catch (IOException e) {
        throw new RuntimeException(
                String.format("error reading from stream, parsing object named %s from http response %s",
                        nameChoices, arg0),
                e);
    } finally {
        Closeables.closeQuietly(reader);
        arg0.getPayload().release();
    }
}

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From source file:com.google.gerrit.sshd.SuExec.java

@Inject
SuExec(final SshScope sshScope, @CommandName(Commands.ROOT) final DispatchCommandProvider dispatcher,
        final Provider<CurrentUser> caller, final Provider<SshSession> session,
        final IdentifiedUser.GenericFactory userFactory, final SshScope.Context callingContext) {
    this.sshScope = sshScope;
    this.dispatcher = dispatcher;
    this.caller = caller;
    this.session = session;
    this.userFactory = userFactory;
    this.callingContext = callingContext;
    atomicCmd = Atomics.newReference();
}

---

From source file:com.gitblit.transport.ssh.commands.BaseCommand.java

public BaseCommand() {
     task = Atomics.newReference();
 }

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From source file:org.jclouds.ec2.compute.functions.PasswordCredentialsFromWindowsInstance.java

@Override
public LoginCredentials apply(final RunningInstance instance) {
    Optional<? extends WindowsApi> windowsOption = ec2Api.getWindowsApiForRegion(instance.getRegion());
    checkState(windowsOption.isPresent(), "windows feature not present in region %s", instance.getRegion());

    final WindowsApi windowsApi = windowsOption.get();

    LoginCredentials credentials = LoginCredentials.builder().user("Administrator").noPrivateKey().build();
    String privateKey = getPrivateKeyOrNull(instance);
    if (privateKey == null) {
        return credentials;
    }/*from  ww  w . j a  v a2s .  c  o  m*/
    // The Administrator password will take some time before it is ready - Amazon says
    // sometimes
    // 15 minutes.
    // So we create a predicate that tests if the password is ready, and wrap it in a retryable
    // predicate.
    final AtomicReference<PasswordData> data = Atomics.newReference();
    Predicate<String> passwordReady = new Predicate<String>() {
        @Override
        public boolean apply(@Nullable String s) {
            if (Strings.isNullOrEmpty(s))
                return false;
            data.set(windowsApi.getPasswordDataForInstance(instance.getId()));
            if (data.get() == null)
                return false;
            return !Strings.isNullOrEmpty(data.get().getPasswordData());
        }
    };

    // TODO: parameterize
    Predicate<String> passwordReadyRetryable = retry(passwordReady, 600, 10, SECONDS);

    logger.debug(">> awaiting password data for instance(%s/%s)", instance.getRegion(), instance.getId());
    if (passwordReadyRetryable.apply(instance.getId())) {
        credentials = pwDataToLoginCredentials.apply(new PasswordDataAndPrivateKey(data.get(), privateKey));
        logger.debug("<< obtained password data for instance(%s/%s)", instance.getRegion(), instance.getId());
    } else {
        logger.debug("<< unable to get password data for instance(%s/%s)", instance.getRegion(),
                instance.getId());
    }
    return credentials;
}

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From source file:com.google.gerrit.sshd.BaseCommand.java

public BaseCommand() {
    task = Atomics.newReference();
}

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