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:com.b2international.snowowl.snomed.datastore.taxonomy.Taxonomy.java

public Taxonomy(ISnomedTaxonomyBuilder newTaxonomy, ISnomedTaxonomyBuilder oldTaxonomy,
        SnomedTaxonomyStatus status, LongSet newEdges, LongSet changedEdges, LongSet detachedEdges) {
    this.newTaxonomy = newTaxonomy;
    Preconditions.checkState(!newTaxonomy.isDirty(),
            "Builder for representing the new state of the taxonomy has dirty state.");
    this.oldTaxonomy = oldTaxonomy;
    this.status = status;
    this.newEdges = newEdges;
    this.changedEdges = changedEdges;
    this.detachedEdges = detachedEdges;
}

From source file:org.janusgraph.diskstorage.util.time.Timer.java

public Timer start() {
    Preconditions.checkState(null == start, "Timer can only be started once");
    start = times.getTime();
    return this;
}

From source file:org.ros.concurrent.CancellableLoop.java

@Override
public void run() {
    synchronized (mutex) {
        Preconditions.checkState(!ranOnce, "CancellableLoops cannot be restarted.");
        ranOnce = true;/*  ww  w  . j av  a 2  s  . c o m*/
        thread = Thread.currentThread();
    }
    try {
        setup();
        while (!thread.isInterrupted()) {
            loop();
        }
    } catch (InterruptedException e) {
        handleInterruptedException(e);
    } finally {
        thread = null;

        cleanup();
    }
}

From source file:net.myrrix.online.MultiRescorer.java

/**
 * @param rescorers {@link IDRescorer} objects to delegate to
 *//*from w  w  w. j av a  2  s.  co  m*/
public MultiRescorer(List<IDRescorer> rescorers) {
    Preconditions.checkNotNull(rescorers);
    Preconditions.checkState(!rescorers.isEmpty(), "rescorers is empty");
    this.rescorers = rescorers.toArray(new IDRescorer[rescorers.size()]);
}

From source file:org.sonar.javascript.cfg.JsCfgForwardingBlock.java

@Override
public ImmutableSet<CfgBlock> successors() {
    Preconditions.checkState(successor != null, "No successor was set on " + this);
    return ImmutableSet.<CfgBlock>of(successor);
}

From source file:com.cloudera.crash.carriers.Carrier.java

@SuppressWarnings("unchecked")
public final void emit(Object key, Object value) {
    Preconditions.checkState(emitter != null, "Cannot call emit outside of processing");
    emit((T) Pair.of(key, value));/*from  w  w  w  .j  a  v a  2 s.co m*/
}

From source file:com.dangdang.ddframe.rdb.sharding.api.rule.DataSourceRule.java

public DataSourceRule(final Map<String, DataSource> dataSourceMap, final String defaultDataSourceName) {
    Preconditions.checkState(!dataSourceMap.isEmpty(), "Must have one data source at least.");
    this.dataSourceMap = dataSourceMap;
    if (1 == dataSourceMap.size()) {
        this.defaultDataSourceName = dataSourceMap.entrySet().iterator().next().getKey();
        return;//from  w  ww.  java2  s.co m
    }
    if (Strings.isNullOrEmpty(defaultDataSourceName)) {
        this.defaultDataSourceName = null;
        return;
    }
    Preconditions.checkState(dataSourceMap.containsKey(defaultDataSourceName),
            "Data source rule must include default data source.");
    this.defaultDataSourceName = defaultDataSourceName;
}

From source file:com.google.devtools.build.lib.exec.LocalActionLogging.java

void finish() {
    Preconditions.checkState(isRunning, action);
    isRunning = false;/* ww w . j  a  v  a 2 s .c  o  m*/
    LOG.info("Finished running " + action.prettyPrint() + " in "
            + TimeUnit.NANOSECONDS.toMillis(BlazeClock.nanoTime() - startTime) + "ms");
}

From source file:com.google.devrel.gmscore.tools.apk.arsc.BinaryResourceIdentifier.java

/** Returns a {@link BinaryResourceIdentifier} with the given identifiers. */
public static BinaryResourceIdentifier create(int packageId, int typeId, int entryId) {
    Preconditions.checkState((packageId & 0xFF) == packageId, "packageId must be <= 0xFF.");
    Preconditions.checkState((typeId & 0xFF) == typeId, "typeId must be <= 0xFF.");
    Preconditions.checkState((entryId & 0xFFFF) == entryId, "entryId must be <= 0xFFFF.");
    return new BinaryResourceIdentifier(packageId, typeId, entryId);
}

From source file:org.opendaylight.netconf.sal.streams.websockets.WebSocketServer.java

/**
 * Destroy the existing instance/*from  w w  w. j av  a 2  s . c  o m*/
 */
public static void destroyInstance() {
    Preconditions.checkState(instance != null, "createInstance() must be called prior to destroyInstance()");

    instance.stop();
    instance = null;
}