Example usage for com.google.common.base Preconditions checkState

Introduction

In this page you can find the example usage for com.google.common.base Preconditions checkState.

Prototype

public static void checkState(boolean expression, @Nullable Object errorMessage)

Source Link

Document

Ensures the truth of an expression involving the state of the calling instance, but not involving any parameters to the calling method.

Usage

From source file:lemon.elastic.query4j.esproxy.core.facet.AbstractFacetRequest.java

public AbstractFacetRequest(String name) {
    Preconditions.checkState(SpringStringUtils.hasText(name), "Facet can't be null or empty !!!");
    this.name = name;
}

From source file:org.opendaylight.controller.netconf.confignetconfconnector.mapping.attributes.fromxml.SimpleAttributeReadingStrategy.java

@Override
AttributeConfigElement readElementHook(List<XmlElement> configNodes) throws NetconfDocumentedException {
    XmlElement xmlElement = configNodes.get(0);
    Preconditions.checkState(configNodes.size() == 1,
            "This element should be present only once " + xmlElement + " but was " + configNodes.size());

    String textContent = readElementContent(xmlElement);
    return AttributeConfigElement.create(postprocessNullableDefault(getNullableDefault()),
            postprocessParsedValue(textContent));
}

From source file:org.opendaylight.protocol.bgp.parser.spi.pojo.AbstractFamilyRegistry.java

protected synchronized AutoCloseable registerFamily(final Class<? extends C> clazz, final N number) {
    Preconditions.checkNotNull(clazz);//from ww w . j a v a 2s .  c o  m

    final Class<?> c = numberToClass.get(number);
    Preconditions.checkState(c == null, "Number " + number + " already registered to " + c);

    final N n = classToNumber.get(clazz);
    Preconditions.checkState(n == null, "Class " + clazz + " already registered to " + n);

    numberToClass.put(number, clazz);
    classToNumber.put(clazz, number);

    final Object lock = this;
    return new AbstractRegistration() {

        @Override
        protected void removeRegistration() {
            synchronized (lock) {
                classToNumber.remove(clazz);
                numberToClass.remove(number);
            }
        }
    };
}

From source file:io.macgyver.plugin.artifactory.AQLSearchBuilder.java

public JsonNode execute() {
    Preconditions.checkState(target != null, "OkRestTarget not set");
    return target.path("api/search/aql").addHeader("Content-type", "text/plain").post(aql)
            .execute(JsonNode.class);
}

From source file:org.opendaylight.controller.cluster.datastore.ClusterWrapperImpl.java

public ClusterWrapperImpl(ActorSystem actorSystem) {
    Preconditions.checkNotNull(actorSystem, "actorSystem should not be null");

    cluster = Cluster.get(actorSystem);/*w  w w . j a  va2s  .c  om*/

    Preconditions.checkState(cluster.getSelfRoles().size() > 0,
            "No akka roles were specified\n"
                    + "One way to specify the member name is to pass a property on the command line like so\n"
                    + "   -Dakka.cluster.roles.0=member-3\n" + "member-3 here would be the name of the member");

    currentMemberName = MemberName.forName(cluster.getSelfRoles().iterator().next());
    selfAddress = cluster.selfAddress();
}

From source file:org.haiku.haikudepotserver.api1.AbstractApiImpl.java

protected Architecture getArchitecture(ObjectContext context, String architectureCode)
        throws ObjectNotFoundException {
    Preconditions.checkNotNull(context);
    Preconditions.checkState(!Strings.isNullOrEmpty(architectureCode),
            "an architecture code is required to get the architecture");
    return Architecture.tryGetByCode(context, architectureCode).orElseThrow(
            () -> new ObjectNotFoundException(Architecture.class.getSimpleName(), architectureCode));
}

From source file:app.philm.in.controllers.BaseController.java

public final void suspend() {
    Preconditions.checkState(mInited == true, "Not inited");
    onSuspended();
    mInited = false;
}

From source file:org.xacml4j.spring.FunctionProvider.java

public void setProviderClass(Class<FunctionProvider> providerClazz) {
    Preconditions.checkState(providerInstance == null,
            "Either provider instance or class must be specified but not both");
    this.providerClass = providerClazz;
}

From source file:org.opendaylight.controller.cluster.datastore.ReadWriteShardDataTreeTransaction.java

@Override
void abort() {
    Preconditions.checkState(close(), "Transaction is already closed");

    parent.abortTransaction(this);
}

From source file:io.v.v23.rpc.StreamIterable.java

@Override
public synchronized Iterator<T> iterator() {
    Preconditions.checkState(!isCreated, "Can only create one iterator.");
    isCreated = true;//from  ww w  . j  a  v  a  2s .co m
    return new AbstractIterator<T>() {
        @Override
        protected T computeNext() {
            try {
                return (T) VFutures.sync(stream.recv(type));
            } catch (EndOfFileException e) { // legitimate end of stream
                return endOfData();
            } catch (CanceledException e) { // context canceled
                return endOfData();
            } catch (VException e) {
                error = e;
                return endOfData();
            }
        }
    };
}