Example usage for java.util Vector.Builder add

Introduction

In this page you can find the example usage for java.util Vector.Builder add.

Prototype

public synchronized boolean add(E e) 

Source Link

Document

Appends the specified element to the end of this Vector.

Usage

From source file:org.briljantframework.data.vector.Vector.java

/**
 * Creates a vector of the values in the iterable
 *
 * @param values the specified values// ww w.j  ava2s  . co  m
 * @return a new vector with the specified values
 */
static <T> Vector fromIterable(Class<T> cls, Iterable<T> values) {
    Iterator<T> it = values.iterator();
    if (!it.hasNext()) {
        return singleton(null);
    }

    Vector.Builder builder = new GenericVector.Builder(cls);
    while (it.hasNext()) {
        builder.add(it.next());
    }
    return builder.build();
}

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From source file:org.briljantframework.data.vector.Vector.java

/**
 * Creates a vector with the specified size consisting of the values given by the supplier
 *
 * <pre>// www  .j  a v  a  2s .c  om
 * {
 *   &#064;code
 *   Vector.Builder b;
 *   for (int i = 0; i &lt; size; i++) {
 *     b.plus(supplier.get());
 *   }
 * }
 * </pre>
 */
static Vector fromSupplier(Supplier<Object> supplier, int size) {
    if (size < 1) {
        throw new UnsupportedOperationException();
    }
    Object value = supplier.get();
    Vector.Builder builder = VectorType.of(value).newBuilder().add(value);
    for (int i = 1; i < size; i++) {
        builder.add(supplier.get());
    }
    return builder.build();
}

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From source file:org.briljantframework.data.vector.Vectors.java

public static Vector range(int size) {
    Vector.Builder builder = Vector.Builder.of(Integer.class);
    for (int i = 0; i < size; i++) {
        builder.add(i);
    }/*from   w w w .j a  v  a  2s . c o m*/
    return builder.build();
}

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From source file:org.renjin.primitives.Types.java

@Generic
@Primitive("as.vector")
public static SEXP asVector(PairList x, String mode) {
    Vector.Builder result;
    NamesBuilder names = NamesBuilder.withInitialCapacity(x.length());
    if ("character".equals(mode)) {
        result = new StringVector.Builder();
    } else if ("logical".equals(mode)) {
        result = new LogicalArrayVector.Builder(x.length());
    } else if ("numeric".equals(mode)) {
        result = new DoubleArrayVector.Builder(x.length());
    } else if ("list".equals(mode)) {
        result = new ListVector.Builder();
    } else if ("raw".equals(mode)) {
        result = new RawVector.Builder();
    } else {/*from   w  ww.j av a 2s. c o m*/
        throw new EvalException("invalid 'mode' argument");
    }

    for (PairList.Node node : x.nodes()) {
        if (node.hasTag()) {
            names.add(node.getTag().getPrintName());
        } else {
            names.addNA();
        }
        result.add(node.getValue());
    }
    result.setAttribute(Symbols.NAMES.getPrintName(), names.build(result.length()));
    return result.build();
}

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From source file:r.base.Types.java

@Generic
@Primitive("as.vector")
public static SEXP asVector(PairList x, String mode) {
    Vector.Builder result;
    NamesBuilder names = NamesBuilder.withInitialCapacity(x.length());
    if ("character".equals(mode)) {
        result = new StringVector.Builder();
    } else if ("logical".equals(mode)) {
        result = new LogicalVector.Builder(x.length());
    } else if ("numeric".equals(mode)) {
        result = new DoubleVector.Builder(x.length());
    } else if ("list".equals(mode)) {
        result = new ListVector.Builder();
    } else if ("raw".equals(mode)) {
        result = new RawVector.Builder();
    } else {/* ww  w .  ja  v  a 2  s.c  o m*/
        throw new EvalException("invalid 'mode' argument");
    }

    for (PairList.Node node : x.nodes()) {
        if (node.hasTag()) {
            names.add(node.getTag().getPrintName());
        } else {
            names.addNA();
        }
        result.add(node.getValue());
    }
    result.setAttribute(Symbols.NAMES.getPrintName(), names.build(result.length()));
    return result.build();
}

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