Example usage for com.google.common.collect Iterators singletonIterator

Introduction

In this page you can find the example usage for com.google.common.collect Iterators singletonIterator.

Prototype

public static <T> UnmodifiableIterator<T> singletonIterator(@Nullable final T value)

Source Link

Document

Returns an iterator containing only value .

Usage

From source file:org.sonar.protobuf.tree.impl.MessageTreeImpl.java

@Override
public Iterator<Tree> childrenIterator() {
    return Iterators.concat(Iterators.<Tree>forArray(messageToken, name, lcurlyToken),
            fieldOrMessageOrEnum.iterator(), Iterators.singletonIterator(rcurlyToken));
}

From source file:org.sonar.php.tree.impl.declaration.ParameterListTreeImpl.java

@Override
public Iterator<Tree> childrenIterator() {
    return Iterators.concat(Iterators.singletonIterator(openParenthesis), parameters.elementsAndSeparators(),
            Iterators.singletonIterator(closeParenthesis));
}

From source file:org.sonar.php.tree.impl.expression.ArrayInitializerBracketTreeImpl.java

@Override
public Iterator<Tree> childrenIterator() {
    return Iterators.concat(Iterators.singletonIterator(openBracket), arrayPairs.elementsAndSeparators(),
            Iterators.singletonIterator(closeBracket));
}

From source file:org.sonar.pickbasic.tree.impl.statement.BeginCaseDefaultClauseTreeImpl.java

@Override
public Iterator<Tree> childrenIterator() {
    return Iterators.concat(Iterators.singletonIterator(defaultCaseKeyword), statements.iterator());
}

From source file:org.sonar.php.tree.impl.declaration.ConstantDeclarationTreeImpl.java

@Override
public Iterator<Tree> childrenIterator() {
    return Iterators.concat(Iterators.singletonIterator(constToken),
            declarations.elementsAndSeparators(Functions.<VariableDeclarationTree>identity()),
            Iterators.singletonIterator(eosToken));
}

From source file:jp.xet.baseunits.time.spec.FixedDateSpecification.java

@Override
public Iterator<CalendarDate> iterateOver(CalendarInterval interval) {
    if (interval.includes(date)) {
        return Iterators.singletonIterator(date);
    } else {/*w  ww .ja  v  a2 s  .c  o  m*/
        return Iterators.emptyIterator();
    }
}

From source file:org.sonar.protobuf.tree.impl.EnumTreeImpl.java

@Override
public Iterator<Tree> childrenIterator() {
    return Iterators.concat(Iterators.<Tree>forArray(enumToken, name, lcurlyToken), values.iterator(),
            Iterators.singletonIterator(rcurlyToken));
}

From source file:com.google.errorprone.refaster.Choice.java

/**
 * Returns a {@code Choice} with only one option, {@code t}.
 *//*from w  w  w.j  av a 2 s  .co  m*/
public static <T> Choice<T> of(final T t) {
    checkNotNull(t);
    return new Choice<T>() {
        @Override
        protected Iterator<T> iterator() {
            return Iterators.singletonIterator(t);
        }

        @Override
        public Optional<T> first() {
            return Optional.of(t);
        }

        @Override
        public Choice<T> condition(Predicate<? super T> predicate) {
            return predicate.apply(t) ? this : Choice.<T>none();
        }

        @Override
        public <R> Choice<R> thenChoose(Function<? super T, Choice<R>> function) {
            return function.apply(t);
        }

        @Override
        public <R> Choice<R> thenOption(Function<? super T, Optional<R>> function) {
            return fromOptional(function.apply(t));
        }

        @Override
        public <R> Choice<R> transform(Function<? super T, R> function) {
            return of(function.apply(t));
        }

        @Override
        public String toString() {
            return String.format("Choice.of(%s)", t);
        }
    };
}

From source file:org.apache.drill.exec.store.sys.ProfileJsonIterator.java

private Iterator<ProfileJson> iterateProfileInfoJson() {
    try {//from   w  w  w .  jav a 2  s  . co m
        //Transform authorized profiles to iterator for ProfileInfoJson
        return transformJson(getAuthorizedProfiles(queryingUsername, isAdmin));

    } catch (Exception e) {
        logger.debug(e.getMessage(), e);
        return Iterators.singletonIterator(ProfileJson.getDefault());
    }
}

From source file:org.grouplens.grapht.util.AbstractChain.java

@Nonnull
@Override//w ww . jav a 2 s.c  o  m
public Iterator<E> iterator() {
    Iterator<E> current = Iterators.singletonIterator(tailValue);
    if (previous == null) {
        return current;
    } else {
        return Iterators.concat(previous.iterator(), current);
    }
}