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:org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult.java

void setResult(final NormalizedNode<?, ?> result) {
    Preconditions.checkState(!this.finished, "Result was already set.");
    this.finished = true;
    this.result = result;
}

From source file:com.facebook.buck.rules.coercer.Either.java

private Either(@Nullable LEFT left, @Nullable RIGHT right) {
    Preconditions.checkState(left != null ^ right != null, "Exactly one of left or right must be set");
    this.left = left;
    this.right = right;
}

From source file:org.eclipse.xtend.core.macro.declaration.JvmElementImpl.java

public void remove() {
    this.checkMutable();
    Resource _eResource = this.getDelegate().eResource();
    boolean _tripleNotEquals = (_eResource != null);
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("This element has already been removed: ");
    T _delegate = this.getDelegate();
    _builder.append(_delegate);/*from   w  w  w  .j a  va2 s . c om*/
    Preconditions.checkState(_tripleNotEquals, _builder);
    this.getCompilationUnit().getJvmModelAssociator().removeAllAssociation(this.getDelegate());
    EcoreUtil.remove(this.getDelegate());
    Resource _eResource_1 = this.getDelegate().eResource();
    boolean _tripleEquals = (_eResource_1 == null);
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("Couldn\'t remove: ");
    T _delegate_1 = this.getDelegate();
    _builder_1.append(_delegate_1);
    Preconditions.checkState(_tripleEquals, _builder_1);
}

From source file:com.google.devtools.build.lib.rules.android.MergedAndroidResources.java

public static MergedAndroidResources mergeFrom(AndroidDataContext dataContext, ParsedAndroidResources parsed,
        ResourceDependencies resourceDeps, boolean enableDataBinding, AndroidAaptVersion aaptVersion)
        throws InterruptedException {

    AndroidConfiguration androidConfiguration = dataContext.getAndroidConfig();

    boolean useCompiledMerge = aaptVersion == AndroidAaptVersion.AAPT2
            && androidConfiguration.skipParsingAction();

    Preconditions.checkState(!useCompiledMerge || parsed.getCompiledSymbols() != null,
            "Should not use compiled merge if no compiled symbols are available!");

    AndroidResourceMergingActionBuilder builder = new AndroidResourceMergingActionBuilder()
            .setJavaPackage(parsed.getJavaPackage()).withDependencies(resourceDeps)
            .setThrowOnResourceConflict(androidConfiguration.throwOnResourceConflict())
            .setUseCompiledMerge(useCompiledMerge);

    if (enableDataBinding) {
        builder.setDataBindingInfoZip(/*from  ww w.  ja v  a2s.co m*/
                DataBinding.getLayoutInfoFile(dataContext.getActionConstructionContext()));
    }

    return builder
            .setManifestOut(dataContext.createOutputArtifact(AndroidRuleClasses.ANDROID_PROCESSED_MANIFEST))
            .setMergedResourcesOut(dataContext.createOutputArtifact(AndroidRuleClasses.ANDROID_RESOURCES_ZIP))
            .setClassJarOut(dataContext.createOutputArtifact(AndroidRuleClasses.ANDROID_RESOURCES_CLASS_JAR))
            .build(dataContext, parsed);
}

From source file:org.terasology.engine.TerasologyEngineBuilder.java

public TerasologyEngine build() {
    Preconditions.checkState(timeSubsystem != null, "TimeSubsystem is required");
    return new TerasologyEngine(timeSubsystem, otherSubsystems);
}

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

public void setProviderInstance(Object instance) {
    Preconditions.checkState(providerClass == null,
            "Either provider instance or class must be specified but not both");
    this.providerInstance = instance;
}

From source file:com.torodb.core.cursors.IteratorCursor.java

@Override
public boolean hasNext() {
    Preconditions.checkState(!closed, "The cursor is closed");
    return iterator.hasNext();
}

From source file:alluxio.wire.MetricValue.java

/**
 * Creates a new instance of {@link MetricValue} from a thrift representation.
 *
 * @param metricValue the thrift representation of a metric value
 *///from www.j ava2  s.  c  o  m
private MetricValue(alluxio.thrift.MetricValue metricValue) {
    Preconditions.checkState(metricValue.isSetDoubleValue() || metricValue.isSetLongValue(),
            "only one of longValue and doubleValue can be set");
    if (metricValue.isSetDoubleValue()) {
        mDoubleValue = metricValue.getDoubleValue();
    } else if (metricValue.isSetLongValue()) {
        mLongValue = metricValue.getLongValue();
    }
}

From source file:model.utilities.stats.collectors.DataStorage.java

protected DataStorage(Class<T> enumType) {
    data = new EnumMap<>(enumType);
    this.enumType = enumType;

    Preconditions.checkState(enumType.getEnumConstants().length > 0, "the enum must have a size!");

    for (T type : enumType.getEnumConstants())
        data.put(type, new DailyObservations());

}

From source file:works.chatterbox.hooks.ircchannels.channels.modes.AnnotationMode.java

private <F> F withModeInfo(@NotNull final Function<ModeInfo, F> function) {
    Preconditions.checkNotNull(function, "function was null");
    final ModeInfo modeInfo = this.getModeInfo();
    Preconditions.checkState(modeInfo != null, "No ModeInfo");
    return function.apply(modeInfo);
}