Move //mojo/{public, edk} underneath //third_party

mojo/public/java/system/src/org/chromium/mojo/system/DataPipe.java

Index: mojo/public/java/system/src/org/chromium/mojo/system/DataPipe.java
diff --git a/mojo/public/java/system/src/org/chromium/mojo/system/DataPipe.java b/mojo/public/java/system/src/org/chromium/mojo/system/DataPipe.java
deleted file mode 100644
index a5b77ae9ecb4b0687c8e3d8bde7595b74ed91e8b..0000000000000000000000000000000000000000
--- a/mojo/public/java/system/src/org/chromium/mojo/system/DataPipe.java
+++ /dev/null
@@ -1,348 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.mojo.system;
-
-import java.nio.ByteBuffer;
-
-/**
- * Interface for data pipes. A data pipe is a unidirectional communication channel for unframed
- * data. Data is unframed, but must come as (multiples of) discrete elements, of the size given at
- * creation time.
- */
-public interface DataPipe {
-
-    /**
-     * Flags for the data pipe creation operation.
-     */
-    public static class CreateFlags extends Flags<CreateFlags> {
-        private static final int FLAG_NONE = 0;
-        private static final int FLAG_MAY_DISCARD = 1 << 0;
-
-        /**
-         * Immutable flag with not bit set.
-         */
-        public static final CreateFlags NONE = CreateFlags.none().immutable();
-
-        /**
-         * Dedicated constructor.
-         *
-         * @param flags initial value of the flags.
-         */
-        protected CreateFlags(int flags) {
-            super(flags);
-        }
-
-        /**
-         * Change the may-discard bit of this flag. This indicates that the data pipe may discard
-         * data for whatever reason; best-effort delivery. In particular, if the capacity is
-         * reached, old data may be discard to make room for new data.
-         *
-         * @param mayDiscard the new value of the may-discard bit.
-         * @return this.
-         */
-        public CreateFlags setMayDiscard(boolean mayDiscard) {
-            return setFlag(FLAG_MAY_DISCARD, mayDiscard);
-        }
-
-        /**
-         * @return flags with no bit set.
-         */
-        public static CreateFlags none() {
-            return new CreateFlags(FLAG_NONE);
-        }
-
-    }
-
-    /**
-     * Used to specify creation parameters for a data pipe to |Core.createDataPipe()|.
-     */
-    public static class CreateOptions {
-
-        /**
-         * Used to specify different modes of operation, see |DataPipe.CreateFlags|.
-         */
-        private CreateFlags mFlags = CreateFlags.none();
-        /**
-         * The size of an element, in bytes. All transactions and buffers will consist of an
-         * integral number of elements. Must be nonzero.
-         */
-        private int mElementNumBytes;
-        /**
-         * The capacity of the data pipe, in number of bytes; must be a multiple of
-         * |element_num_bytes|. The data pipe will always be able to queue AT LEAST this much data.
-         * Set to zero to opt for a system-dependent automatically-calculated capacity (which will
-         * always be at least one element).
-         */
-        private int mCapacityNumBytes;
-
-        /**
-         * @return the flags
-         */
-        public CreateFlags getFlags() {
-            return mFlags;
-        }
-
-        /**
-         * @return the elementNumBytes
-         */
-        public int getElementNumBytes() {
-            return mElementNumBytes;
-        }
-
-        /**
-         * @param elementNumBytes the elementNumBytes to set
-         */
-        public void setElementNumBytes(int elementNumBytes) {
-            mElementNumBytes = elementNumBytes;
-        }
-
-        /**
-         * @return the capacityNumBytes
-         */
-        public int getCapacityNumBytes() {
-            return mCapacityNumBytes;
-        }
-
-        /**
-         * @param capacityNumBytes the capacityNumBytes to set
-         */
-        public void setCapacityNumBytes(int capacityNumBytes) {
-            mCapacityNumBytes = capacityNumBytes;
-        }
-
-    }
-
-    /**
-     * Flags for the write operations on MessagePipeHandle .
-     */
-    public static class WriteFlags extends Flags<WriteFlags> {
-        private static final int FLAG_NONE = 0;
-        private static final int FLAG_ALL_OR_NONE = 1 << 0;
-
-        /**
-         * Immutable flag with not bit set.
-         */
-        public static final WriteFlags NONE = WriteFlags.none().immutable();
-
-        /**
-         * Dedicated constructor.
-         *
-         * @param flags initial value of the flags.
-         */
-        private WriteFlags(int flags) {
-            super(flags);
-        }
-
-        /**
-         * Change the all-or-none bit of those flags. If set, write either all the elements
-         * requested or none of them.
-         *
-         * @param allOrNone the new value of all-or-none bit.
-         * @return this.
-         */
-        public WriteFlags setAllOrNone(boolean allOrNone) {
-            return setFlag(FLAG_ALL_OR_NONE, allOrNone);
-        }
-
-        /**
-         * @return a flag with no bit set.
-         */
-        public static WriteFlags none() {
-            return new WriteFlags(FLAG_NONE);
-        }
-    }
-
-    /**
-     * Flags for the read operations on MessagePipeHandle.
-     */
-    public static class ReadFlags extends Flags<ReadFlags> {
-        private static final int FLAG_NONE = 0;
-        private static final int FLAG_ALL_OR_NONE = 1 << 0;
-        private static final int FLAG_QUERY = 1 << 2;
-        private static final int FLAG_PEEK = 1 << 3;
-
-        /**
-         * Immutable flag with not bit set.
-         */
-        public static final ReadFlags NONE = ReadFlags.none().immutable();
-
-        /**
-         * Dedicated constructor.
-         *
-         * @param flags initial value of the flag.
-         */
-        private ReadFlags(int flags) {
-            super(flags);
-        }
-
-        /**
-         * Change the all-or-none bit of this flag. If set, read (or discard) either the requested
-         * number of elements or none.
-         *
-         * @param allOrNone the new value of the all-or-none bit.
-         * @return this.
-         */
-        public ReadFlags setAllOrNone(boolean allOrNone) {
-            return setFlag(FLAG_ALL_OR_NONE, allOrNone);
-        }
-
-        /**
-         * Change the query bit of this flag. If set query the number of elements available to read.
-         * Mutually exclusive with |discard| and |allOrNone| is ignored if this flag is set.
-         *
-         * @param query the new value of the query bit.
-         * @return this.
-         */
-        public ReadFlags query(boolean query) {
-            return setFlag(FLAG_QUERY, query);
-        }
-
-        /**
-         * Change the peek bit of this flag. If set, read the requested number of elements, and
-         * leave those elements in the pipe. A later read will return the same data.
-         * Mutually exclusive with |discard| and |query|.
-         *
-         * @param peek the new value of the peek bit.
-         * @return this.
-         */
-        public ReadFlags peek(boolean peek) {
-            return setFlag(FLAG_PEEK, peek);
-        }
-
-        /**
-         * @return a flag with no bit set.
-         */
-        public static ReadFlags none() {
-            return new ReadFlags(FLAG_NONE);
-        }
-
-    }
-
-    /**
-     * Handle for the producer part of a data pipe.
-     */
-    public static interface ProducerHandle extends Handle {
-
-        /**
-         * @see org.chromium.mojo.system.Handle#pass()
-         */
-        @Override
-        public ProducerHandle pass();
-
-        /**
-         * Writes the given data to the data pipe producer. |elements| points to data; the buffer
-         * must be a direct ByteBuffer and the limit should be a multiple of the data pipe's element
-         * size. If |allOrNone| is set in |flags|, either all the data will be written or none is.
-         * <p>
-         * On success, returns the amount of data that was actually written.
-         * <p>
-         * Note: If the data pipe has the "may discard" option flag (specified on creation), this
-         * will discard as much data as required to write the given data, starting with the earliest
-         * written data that has not been consumed. However, even with "may discard", if the buffer
-         * limit is greater than the data pipe's capacity (and |allOrNone| is not set), this will
-         * write the maximum amount possible (namely, the data pipe's capacity) and return that
-         * amount. It will *not* discard data from |elements|.
-         *
-         * @return number of written bytes.
-         */
-        public int writeData(ByteBuffer elements, WriteFlags flags);
-
-        /**
-         * Begins a two-phase write to the data pipe producer . On success, returns a |ByteBuffer|
-         * to which the caller can write. If flags has |allOrNone| set, then the buffer capacity
-         * will be at least as large as |numBytes|, which must also be a multiple of the element
-         * size (if |allOrNone| is not set, |numBytes| is ignored and the caller must check the
-         * capacity of the buffer).
-         * <p>
-         * During a two-phase write, this handle is *not* writable. E.g., if another thread tries to
-         * write to it, it will throw a |MojoException| with code |MojoResult.BUSY|; that thread can
-         * then wait for this handle to become writable again.
-         * <p>
-         * Once the caller has finished writing data to the buffer, it should call |endWriteData()|
-         * to specify the amount written and to complete the two-phase write.
-         * <p>
-         * Note: If the data pipe has the "may discard" option flag (specified on creation) and
-         * |flags| has |allOrNone| set, this may discard some data.
-         *
-         * @return The buffer to write to.
-         */
-        public ByteBuffer beginWriteData(int numBytes, WriteFlags flags);
-
-        /**
-         * Ends a two-phase write to the data pipe producer that was begun by a call to
-         * |beginWriteData()| on the same handle. |numBytesWritten| should indicate the amount of
-         * data actually written; it must be less than or equal to the capacity of the buffer
-         * returned by |beginWriteData()| and must be a multiple of the element size. The buffer
-         * returned from |beginWriteData()| must have been filled with exactly |numBytesWritten|
-         * bytes of data.
-         * <p>
-         * On failure, the two-phase write (if any) is ended (so the handle may become writable
-         * again, if there's space available) but no data written to the buffer is "put into" the
-         * data pipe.
-         */
-        public void endWriteData(int numBytesWritten);
-    }
-
-    /**
-     * Handle for the consumer part of a data pipe.
-     */
-    public static interface ConsumerHandle extends Handle {
-
-        /**
-         * @see org.chromium.mojo.system.Handle#pass()
-         */
-        @Override
-        public ConsumerHandle pass();
-
-       /**
-         * Discards data on the data pie consumer. This method discards up to |numBytes| (which
-         * again be a multiple of the element size) bytes of data, returning the amount actually
-         * discarded. if |flags| has |allOrNone|, it will either discard exactly |numBytes| bytes of
-         * data or none. In this case, |query| must not be set.
-         */
-        public int discardData(int numBytes, ReadFlags flags);
-
-        /**
-         * Reads data from the data pipe consumer. May also be used to query the amount of data
-         * available. If |flags| has not |query| set, this tries to read up to |elements| capacity
-         * (which must be a multiple of the data pipe's element size) bytes of data to |elements|
-         * and returns the amount actually read. |elements| must be a direct ByteBuffer. If flags
-         * has |allOrNone| set, it will either read exactly |elements| capacity bytes of data or
-         * none.
-         * <p>
-         * If flags has |query| set, it queries the amount of data available, returning the number
-         * of bytes available. In this case |allOrNone| is ignored, as are |elements|.
-         */
-        public int readData(ByteBuffer elements, ReadFlags flags);
-
-        /**
-         * Begins a two-phase read from the data pipe consumer. On success, returns a |ByteBuffer|
-         * from which the caller can read up to its limit bytes of data. If flags has |allOrNone|
-         * set, then the limit will be at least as large as |numBytes|, which must also be a
-         * multiple of the element size (if |allOrNone| is not set, |numBytes| is ignored). |flags|
-         * must not have |query| set.
-         * <p>
-         * During a two-phase read, this handle is *not* readable. E.g., if another thread tries to
-         * read from it, it will throw a |MojoException| with code |MojoResult.BUSY|; that thread
-         * can then wait for this handle to become readable again.
-         * <p>
-         * Once the caller has finished reading data from the buffer, it should call |endReadData()|
-         * to specify the amount read and to complete the two-phase read.
-         */
-        public ByteBuffer beginReadData(int numBytes, ReadFlags flags);
-
-        /**
-         * Ends a two-phase read from the data pipe consumer that was begun by a call to
-         * |beginReadData()| on the same handle. |numBytesRead| should indicate the amount of data
-         * actually read; it must be less than or equal to the limit of the buffer returned by
-         * |beginReadData()| and must be a multiple of the element size.
-         * <p>
-         * On failure, the two-phase read (if any) is ended (so the handle may become readable
-         * again) but no data is "removed" from the data pipe.
-         */
-        public void endReadData(int numBytesRead);
-    }
-
-}