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JDK 11 java.base.jmod - Base Module
JDK 11 java.base.jmod is the JMOD file for JDK 11 Base module.
JDK 11 Base module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.base.jmod.
JDK 11 Base module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Base module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ java/util/stream/PipelineHelper.java
/* * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.util.stream; import java.util.Spliterator; import java.util.function.IntFunction; /** * Helper class for executing <a href="package-summary.html#StreamOps"> * stream pipelines</a>, capturing all of the information about a stream * pipeline (output shape, intermediate operations, stream flags, parallelism, * etc) in one place. * * <p> * A {@code PipelineHelper} describes the initial segment of a stream pipeline, * including its source, intermediate operations, and may additionally * incorporate information about the terminal (or stateful) operation which * follows the last intermediate operation described by this * {@code PipelineHelper}. The {@code PipelineHelper} is passed to the * {@link TerminalOp#evaluateParallel(PipelineHelper, java.util.Spliterator)}, * {@link TerminalOp#evaluateSequential(PipelineHelper, java.util.Spliterator)}, * and {@link AbstractPipeline#opEvaluateParallel(PipelineHelper, java.util.Spliterator, * java.util.function.IntFunction)}, methods, which can use the * {@code PipelineHelper} to access information about the pipeline such as * head shape, stream flags, and size, and use the helper methods * such as {@link #wrapAndCopyInto(Sink, Spliterator)}, * {@link #copyInto(Sink, Spliterator)}, and {@link #wrapSink(Sink)} to execute * pipeline operations. * * @param <P_OUT> type of output elements from the pipeline * @since 1.8 */ abstract class PipelineHelper<P_OUT> { /** * Gets the stream shape for the source of the pipeline segment. * * @return the stream shape for the source of the pipeline segment. */ abstract StreamShape getSourceShape(); /** * Gets the combined stream and operation flags for the output of the described * pipeline. This will incorporate stream flags from the stream source, all * the intermediate operations and the terminal operation. * * @return the combined stream and operation flags * @see StreamOpFlag */ abstract int getStreamAndOpFlags(); /** * Returns the exact output size of the portion of the output resulting from * applying the pipeline stages described by this {@code PipelineHelper} to * the portion of the input described by the provided * {@code Spliterator}, if known. If not known or known infinite, will * return {@code -1}. * * @apiNote * The exact output size is known if the {@code Spliterator} has the * {@code SIZED} characteristic, and the operation flags * {@link StreamOpFlag#SIZED} is known on the combined stream and operation * flags. * * @param spliterator the spliterator describing the relevant portion of the * source data * @return the exact size if known, or -1 if infinite or unknown */ abstract<P_IN> long exactOutputSizeIfKnown(Spliterator<P_IN> spliterator); /** * Applies the pipeline stages described by this {@code PipelineHelper} to * the provided {@code Spliterator} and send the results to the provided * {@code Sink}. * * @implSpec * The implementation behaves as if: * <pre>{@code * copyInto(wrapSink(sink), spliterator); * }</pre> * * @param sink the {@code Sink} to receive the results * @param spliterator the spliterator describing the source input to process */ abstract<P_IN, S extends Sink<P_OUT>> S wrapAndCopyInto(S sink, Spliterator<P_IN> spliterator); /** * Pushes elements obtained from the {@code Spliterator} into the provided * {@code Sink}. If the stream pipeline is known to have short-circuiting * stages in it (see {@link StreamOpFlag#SHORT_CIRCUIT}), the * {@link Sink#cancellationRequested()} is checked after each * element, stopping if cancellation is requested. * * @implSpec * This method conforms to the {@code Sink} protocol of calling * {@code Sink.begin} before pushing elements, via {@code Sink.accept}, and * calling {@code Sink.end} after all elements have been pushed. * * @param wrappedSink the destination {@code Sink} * @param spliterator the source {@code Spliterator} */ abstract<P_IN> void copyInto(Sink<P_IN> wrappedSink, Spliterator<P_IN> spliterator); /** * Pushes elements obtained from the {@code Spliterator} into the provided * {@code Sink}, checking {@link Sink#cancellationRequested()} after each * element, and stopping if cancellation is requested. * * @implSpec * This method conforms to the {@code Sink} protocol of calling * {@code Sink.begin} before pushing elements, via {@code Sink.accept}, and * calling {@code Sink.end} after all elements have been pushed or if * cancellation is requested. * * @param wrappedSink the destination {@code Sink} * @param spliterator the source {@code Spliterator} * @return true if the cancellation was requested */ abstract <P_IN> boolean copyIntoWithCancel(Sink<P_IN> wrappedSink, Spliterator<P_IN> spliterator); /** * Takes a {@code Sink} that accepts elements of the output type of the * {@code PipelineHelper}, and wrap it with a {@code Sink} that accepts * elements of the input type and implements all the intermediate operations * described by this {@code PipelineHelper}, delivering the result into the * provided {@code Sink}. * * @param sink the {@code Sink} to receive the results * @return a {@code Sink} that implements the pipeline stages and sends * results to the provided {@code Sink} */ abstract<P_IN> Sink<P_IN> wrapSink(Sink<P_OUT> sink); /** * * @param spliterator * @param <P_IN> * @return */ abstract<P_IN> Spliterator<P_OUT> wrapSpliterator(Spliterator<P_IN> spliterator); /** * Constructs a @{link Node.Builder} compatible with the output shape of * this {@code PipelineHelper}. * * @param exactSizeIfKnown if >=0 then a builder will be created that has a * fixed capacity of exactly sizeIfKnown elements; if < 0 then the * builder has variable capacity. A fixed capacity builder will fail * if an element is added after the builder has reached capacity. * @param generator a factory function for array instances * @return a {@code Node.Builder} compatible with the output shape of this * {@code PipelineHelper} */ abstract Node.Builder<P_OUT> makeNodeBuilder(long exactSizeIfKnown, IntFunction<P_OUT[]> generator); /** * Collects all output elements resulting from applying the pipeline stages * to the source {@code Spliterator} into a {@code Node}. * * @implNote * If the pipeline has no intermediate operations and the source is backed * by a {@code Node} then that {@code Node} will be returned (or flattened * and then returned). This reduces copying for a pipeline consisting of a * stateful operation followed by a terminal operation that returns an * array, such as: * <pre>{@code * stream.sorted().toArray(); * }</pre> * * @param spliterator the source {@code Spliterator} * @param flatten if true and the pipeline is a parallel pipeline then the * {@code Node} returned will contain no children, otherwise the * {@code Node} may represent the root in a tree that reflects the * shape of the computation tree. * @param generator a factory function for array instances * @return the {@code Node} containing all output elements */ abstract<P_IN> Node<P_OUT> evaluate(Spliterator<P_IN> spliterator, boolean flatten, IntFunction<P_OUT[]> generator); }
⏎ java/util/stream/PipelineHelper.java
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File name: java.base-11.0.1-src.zip File size: 8740354 bytes Release date: 2018-11-04 Download
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