下面列出了java.util.function.ObjDoubleConsumer#accept ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
@Override
public void forEach(ObjDoubleConsumer<LocalDate> action) {
ArgChecker.notNull(action, "action");
for (int i = 0; i < size(); i++) {
action.accept(dates[i], values[i]);
}
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Constructs a {@code TerminalOp} that implements a mutable reduce on
* {@code double} values.
*
* @param <R> the type of the result
* @param supplier a factory to produce a new accumulator of the result type
* @param accumulator a function to incorporate an int into an
* accumulator
* @param combiner a function to combine an accumulator into another
* @return a {@code TerminalOp} implementing the reduction
*/
public static <R> TerminalOp<Double, R>
makeDouble(Supplier<R> supplier,
ObjDoubleConsumer<R> accumulator,
BinaryOperator<R> combiner) {
Objects.requireNonNull(supplier);
Objects.requireNonNull(accumulator);
Objects.requireNonNull(combiner);
class ReducingSink extends Box<R>
implements AccumulatingSink<Double, R, ReducingSink>, Sink.OfDouble {
@Override
public void begin(long size) {
state = supplier.get();
}
@Override
public void accept(double t) {
accumulator.accept(state, t);
}
@Override
public void combine(ReducingSink other) {
state = combiner.apply(state, other.state);
}
}
return new ReduceOp<Double, R, ReducingSink>(StreamShape.DOUBLE_VALUE) {
@Override
public ReducingSink makeSink() {
return new ReducingSink();
}
};
}
/**
* Returns a {@code DoubleCollector} which partitions the input numbers
* according to a {@code DoublePredicate}, reduces the values in each
* partition according to another {@code IntCollector}, and organizes them
* into a {@code Map<Boolean, D>} whose values are the result of the
* downstream reduction.
*
* <p>
* There are no guarantees on the type, mutability, serializability, or
* thread-safety of the {@code Map} returned.
*
* @param <A> the intermediate accumulation type of the downstream collector
* @param <D> the result type of the downstream reduction
* @param predicate a predicate used for classifying input elements
* @param downstream a {@code DoubleCollector} implementing the downstream
* reduction
* @return a {@code DoubleCollector} implementing the cascaded partitioning
* operation
*/
static <A, D> DoubleCollector<?, Map<Boolean, D>> partitioningBy(DoublePredicate predicate,
DoubleCollector<A, D> downstream) {
ObjDoubleConsumer<A> downstreamAccumulator = downstream.doubleAccumulator();
ObjDoubleConsumer<BooleanMap<A>> accumulator = (result, t) -> downstreamAccumulator.accept(
predicate.test(t) ? result.trueValue : result.falseValue, t);
return BooleanMap.partialCollector(downstream).asDouble(accumulator);
}
/**
* Adapts a {@code DoubleCollector} to another one by applying a mapping
* function to each input element before accumulation.
*
* @param <A> intermediate accumulation type of the downstream collector
* @param <R> result type of collector
* @param mapper a function to be applied to the input elements
* @param downstream a collector which will accept mapped values
* @return a collector which applies the mapping function to the input
* elements and provides the mapped results to the downstream
* collector
*/
static <A, R> DoubleCollector<?, R> mapping(DoubleUnaryOperator mapper, DoubleCollector<A, R> downstream) {
ObjDoubleConsumer<A> downstreamAccumulator = downstream.doubleAccumulator();
return new DoubleCollectorImpl<>(downstream.supplier(), (r, t) -> downstreamAccumulator.accept(r, mapper
.applyAsDouble(t)), downstream.merger(), downstream.finisher(), downstream.characteristics());
}