Example usage for com.google.common.base Optional fromNullable

Introduction

In this page you can find the example usage for com.google.common.base Optional fromNullable.

Prototype

public static <T> Optional<T> fromNullable(@Nullable T nullableReference)

Source Link

Document

If nullableReference is non-null, returns an Optional instance containing that reference; otherwise returns Optional#absent .

Usage

From source file:com.treasuredata.client.TDClientHttpConflictException.java

public Optional<String> getConflictsWith() {
    return Optional.fromNullable(conflictsWith);
}

From source file:com.streamsets.pipeline.stage.processor.kv.local.LocalStore.java

public Map<String, Optional<String>> get(Collection<String> keys) {
    Map<String, Optional<String>> values = new HashMap<>();
    for (String key : keys) {
        values.put(key, Optional.fromNullable(conf.values.get(key)));
    }//from ww  w  .  ja v  a 2s  .c  o m
    return values;
}

From source file:org.cloudifysource.cosmo.kvstore.KVStore.java

@Override
public Optional<EntityTagState<String>> getState(URI key) {
    synchronized (store) {

        EntityTagState<String> value = store.get(key);
        return Optional.fromNullable(value);
    }//from   ww  w  .jav a  2 s. c om
}

From source file:io.crate.sql.tree.NamedProperties.java

public NamedProperties(String ident, @Nullable GenericProperties properties) {
    this.ident = ident;
    this.properties = Optional.fromNullable(properties);
}

From source file:com.vmware.photon.controller.apife.db.dao.StepLockDao.java

public Optional<StepLockEntity> findByEntity(String entityId) {
    StepLockEntity result = uniqueResult(namedQuery("StepLock.findByEntity").setString("entityId", entityId));
    return Optional.fromNullable(result);
}

From source file:io.crate.sql.tree.ClusteredBy.java

public ClusteredBy(@Nullable Expression column, @Nullable Expression numberOfShards) {
    this.column = Optional.fromNullable(column);
    this.numberOfShards = Optional.fromNullable(numberOfShards);
}

From source file:se.sics.ktoolbox.util.Either.java

public Optional<L> getOptionalLeft() {
    if (this.isRight()) {
        return Optional.fromNullable(this.getLeft());
    } else {//from   www  .  j  a  v  a  2  s  . co  m
        return Optional.absent();
    }
}

From source file:se.sics.dozy.DozyResult.java

public static DozyResult internalError(String reason) {
    return new DozyResult(Status.INTERNAL_ERROR, Optional.fromNullable(reason));
}

From source file:info.archinnov.achilles.schemabuilder.Drop.java

Drop(String keyspaceName, String tableName) {
    validateNotEmpty(keyspaceName, "Keyspace name");
    validateNotEmpty(tableName, "Table name");
    validateNotKeyWord(keyspaceName, String
            .format("The keyspace name '%s' is not allowed because it is a reserved keyword", keyspaceName));
    validateNotKeyWord(tableName,/*  ww w .j  av a2 s  .  co  m*/
            String.format("The table name '%s' is not allowed because it is a reserved keyword", tableName));
    this.tableName = tableName;
    this.keyspaceName = Optional.fromNullable(keyspaceName);
}

From source file:com.vmware.photon.controller.apife.db.dao.ExtendedAbstractDao.java

public Optional<T> findById(Serializable id) {
    return Optional.fromNullable(get(id));
}