http://git-wip-us.apache.org/repos/asf/hbase/blob/ee70b1d2/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnknownFieldSetLite.java ---------------------------------------------------------------------- diff --git a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnknownFieldSetLite.java b/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnknownFieldSetLite.java deleted file mode 100644 index faa4c30..0000000 --- a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnknownFieldSetLite.java +++ /dev/null @@ -1,432 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package org.apache.hadoop.hbase.shaded.com.google.protobuf; - -import java.io.IOException; -import java.util.Arrays; - -/** - * {@code UnknownFieldSetLite} is used to keep track of fields which were seen - * when parsing a protocol message but whose field numbers or types are - * unrecognized. This most frequently occurs when new fields are added to a - * message type and then messages containing those fields are read by old - * software that was compiled before the new types were added. - * - * <p>For use by generated code only. - * - * @author dw...@google.com (Daniel Weis) - */ -public final class UnknownFieldSetLite { - - // Arbitrarily chosen. - // TODO(dweis): Tune this number? - private static final int MIN_CAPACITY = 8; - - private static final UnknownFieldSetLite DEFAULT_INSTANCE = - new UnknownFieldSetLite(0, new int[0], new Object[0], false /* isMutable */); - - /** - * Get an empty {@code UnknownFieldSetLite}. - * - * <p>For use by generated code only. - */ - public static UnknownFieldSetLite getDefaultInstance() { - return DEFAULT_INSTANCE; - } - - /** - * Returns a new mutable instance. - */ - static UnknownFieldSetLite newInstance() { - return new UnknownFieldSetLite(); - } - - /** - * Returns a mutable {@code UnknownFieldSetLite} that is the composite of {@code first} and - * {@code second}. - */ - static UnknownFieldSetLite mutableCopyOf(UnknownFieldSetLite first, UnknownFieldSetLite second) { - int count = first.count + second.count; - int[] tags = Arrays.copyOf(first.tags, count); - System.arraycopy(second.tags, 0, tags, first.count, second.count); - Object[] objects = Arrays.copyOf(first.objects, count); - System.arraycopy(second.objects, 0, objects, first.count, second.count); - return new UnknownFieldSetLite(count, tags, objects, true /* isMutable */); - } - - /** - * The number of elements in the set. - */ - private int count; - - /** - * The tag numbers for the elements in the set. - */ - private int[] tags; - - /** - * The boxed values of the elements in the set. - */ - private Object[] objects; - - /** - * The lazily computed serialized size of the set. - */ - private int memoizedSerializedSize = -1; - - /** - * Indicates that this object is mutable. - */ - private boolean isMutable; - - /** - * Constructs a mutable {@code UnknownFieldSetLite}. - */ - private UnknownFieldSetLite() { - this(0, new int[MIN_CAPACITY], new Object[MIN_CAPACITY], true /* isMutable */); - } - - /** - * Constructs the {@code UnknownFieldSetLite}. - */ - private UnknownFieldSetLite(int count, int[] tags, Object[] objects, boolean isMutable) { - this.count = count; - this.tags = tags; - this.objects = objects; - this.isMutable = isMutable; - } - - /** - * Marks this object as immutable. - * - * <p>Future calls to methods that attempt to modify this object will throw. - */ - public void makeImmutable() { - this.isMutable = false; - } - - /** - * Throws an {@link UnsupportedOperationException} if immutable. - */ - void checkMutable() { - if (!isMutable) { - throw new UnsupportedOperationException(); - } - } - - /** - * Serializes the set and writes it to {@code output}. - * - * <p>For use by generated code only. - */ - public void writeTo(CodedOutputStream output) throws IOException { - for (int i = 0; i < count; i++) { - int tag = tags[i]; - int fieldNumber = WireFormat.getTagFieldNumber(tag); - switch (WireFormat.getTagWireType(tag)) { - case WireFormat.WIRETYPE_VARINT: - output.writeUInt64(fieldNumber, (Long) objects[i]); - break; - case WireFormat.WIRETYPE_FIXED32: - output.writeFixed32(fieldNumber, (Integer) objects[i]); - break; - case WireFormat.WIRETYPE_FIXED64: - output.writeFixed64(fieldNumber, (Long) objects[i]); - break; - case WireFormat.WIRETYPE_LENGTH_DELIMITED: - output.writeBytes(fieldNumber, (ByteString) objects[i]); - break; - case WireFormat.WIRETYPE_START_GROUP: - output.writeTag(fieldNumber, WireFormat.WIRETYPE_START_GROUP); - ((UnknownFieldSetLite) objects[i]).writeTo(output); - output.writeTag(fieldNumber, WireFormat.WIRETYPE_END_GROUP); - break; - default: - throw InvalidProtocolBufferException.invalidWireType(); - } - } - } - - /** - * Serializes the set and writes it to {@code output} using {@code MessageSet} wire format. - * - * <p>For use by generated code only. - */ - public void writeAsMessageSetTo(CodedOutputStream output) throws IOException { - for (int i = 0; i < count; i++) { - int fieldNumber = WireFormat.getTagFieldNumber(tags[i]); - output.writeRawMessageSetExtension(fieldNumber, (ByteString) objects[i]); - } - } - - - /** - * Get the number of bytes required to encode this field, including field number, using {@code - * MessageSet} wire format. - */ - public int getSerializedSizeAsMessageSet() { - int size = memoizedSerializedSize; - if (size != -1) { - return size; - } - - size = 0; - for (int i = 0; i < count; i++) { - int tag = tags[i]; - int fieldNumber = WireFormat.getTagFieldNumber(tag); - size += CodedOutputStream.computeRawMessageSetExtensionSize( - fieldNumber, (ByteString) objects[i]); - } - - memoizedSerializedSize = size; - - return size; - } - - /** - * Get the number of bytes required to encode this set. - * - * <p>For use by generated code only. - */ - public int getSerializedSize() { - int size = memoizedSerializedSize; - if (size != -1) { - return size; - } - - size = 0; - for (int i = 0; i < count; i++) { - int tag = tags[i]; - int fieldNumber = WireFormat.getTagFieldNumber(tag); - switch (WireFormat.getTagWireType(tag)) { - case WireFormat.WIRETYPE_VARINT: - size += CodedOutputStream.computeUInt64Size(fieldNumber, (Long) objects[i]); - break; - case WireFormat.WIRETYPE_FIXED32: - size += CodedOutputStream.computeFixed32Size(fieldNumber, (Integer) objects[i]); - break; - case WireFormat.WIRETYPE_FIXED64: - size += CodedOutputStream.computeFixed64Size(fieldNumber, (Long) objects[i]); - break; - case WireFormat.WIRETYPE_LENGTH_DELIMITED: - size += CodedOutputStream.computeBytesSize(fieldNumber, (ByteString) objects[i]); - break; - case WireFormat.WIRETYPE_START_GROUP: - size += CodedOutputStream.computeTagSize(fieldNumber) * 2 - + ((UnknownFieldSetLite) objects[i]).getSerializedSize(); - break; - default: - throw new IllegalStateException(InvalidProtocolBufferException.invalidWireType()); - } - } - - memoizedSerializedSize = size; - - return size; - } - - private static boolean equals(int[] tags1, int[] tags2, int count) { - for (int i = 0; i < count; ++i) { - if (tags1[i] != tags2[i]) { - return false; - } - } - return true; - } - - private static boolean equals(Object[] objects1, Object[] objects2, int count) { - for (int i = 0; i < count; ++i) { - if (!objects1[i].equals(objects2[i])) { - return false; - } - } - return true; - } - - @Override - public boolean equals(Object obj) { - if (this == obj) { - return true; - } - - if (obj == null) { - return false; - } - - if (!(obj instanceof UnknownFieldSetLite)) { - return false; - } - - UnknownFieldSetLite other = (UnknownFieldSetLite) obj; - if (count != other.count - || !equals(tags, other.tags, count) - || !equals(objects, other.objects, count)) { - return false; - } - - return true; - } - - @Override - public int hashCode() { - int hashCode = 17; - - hashCode = 31 * hashCode + count; - hashCode = 31 * hashCode + Arrays.hashCode(tags); - hashCode = 31 * hashCode + Arrays.deepHashCode(objects); - - return hashCode; - } - - /** - * Prints a String representation of the unknown field set. - * - * <p>For use by generated code only. - * - * @param buffer the buffer to write to - * @param indent the number of spaces the fields should be indented by - */ - final void printWithIndent(StringBuilder buffer, int indent) { - for (int i = 0; i < count; i++) { - int fieldNumber = WireFormat.getTagFieldNumber(tags[i]); - MessageLiteToString.printField(buffer, indent, String.valueOf(fieldNumber), objects[i]); - } - } - - // Package private for unsafe experimental runtime. - void storeField(int tag, Object value) { - ensureCapacity(); - - tags[count] = tag; - objects[count] = value; - count++; - } - - /** - * Ensures that our arrays are long enough to store more metadata. - */ - private void ensureCapacity() { - if (count == tags.length) { - int increment = count < (MIN_CAPACITY / 2) ? MIN_CAPACITY : count >> 1; - int newLength = count + increment; - - tags = Arrays.copyOf(tags, newLength); - objects = Arrays.copyOf(objects, newLength); - } - } - - /** - * Parse a single field from {@code input} and merge it into this set. - * - * <p>For use by generated code only. - * - * @param tag The field's tag number, which was already parsed. - * @return {@code false} if the tag is an end group tag. - */ - boolean mergeFieldFrom(final int tag, final CodedInputStream input) throws IOException { - checkMutable(); - final int fieldNumber = WireFormat.getTagFieldNumber(tag); - switch (WireFormat.getTagWireType(tag)) { - case WireFormat.WIRETYPE_VARINT: - storeField(tag, input.readInt64()); - return true; - case WireFormat.WIRETYPE_FIXED32: - storeField(tag, input.readFixed32()); - return true; - case WireFormat.WIRETYPE_FIXED64: - storeField(tag, input.readFixed64()); - return true; - case WireFormat.WIRETYPE_LENGTH_DELIMITED: - storeField(tag, input.readBytes()); - return true; - case WireFormat.WIRETYPE_START_GROUP: - final UnknownFieldSetLite subFieldSet = new UnknownFieldSetLite(); - subFieldSet.mergeFrom(input); - input.checkLastTagWas( - WireFormat.makeTag(fieldNumber, WireFormat.WIRETYPE_END_GROUP)); - storeField(tag, subFieldSet); - return true; - case WireFormat.WIRETYPE_END_GROUP: - return false; - default: - throw InvalidProtocolBufferException.invalidWireType(); - } - } - - /** - * Convenience method for merging a new field containing a single varint - * value. This is used in particular when an unknown enum value is - * encountered. - * - * <p>For use by generated code only. - */ - UnknownFieldSetLite mergeVarintField(int fieldNumber, int value) { - checkMutable(); - if (fieldNumber == 0) { - throw new IllegalArgumentException("Zero is not a valid field number."); - } - - storeField(WireFormat.makeTag(fieldNumber, WireFormat.WIRETYPE_VARINT), (long) value); - - return this; - } - - /** - * Convenience method for merging a length-delimited field. - * - * <p>For use by generated code only. - */ - UnknownFieldSetLite mergeLengthDelimitedField(final int fieldNumber, final ByteString value) { - checkMutable(); - if (fieldNumber == 0) { - throw new IllegalArgumentException("Zero is not a valid field number."); - } - - storeField(WireFormat.makeTag(fieldNumber, WireFormat.WIRETYPE_LENGTH_DELIMITED), value); - - return this; - } - - /** - * Parse an entire message from {@code input} and merge its fields into - * this set. - */ - private UnknownFieldSetLite mergeFrom(final CodedInputStream input) throws IOException { - // Ensures initialization in mergeFieldFrom. - while (true) { - final int tag = input.readTag(); - if (tag == 0 || !mergeFieldFrom(tag, input)) { - break; - } - } - return this; - } -}
http://git-wip-us.apache.org/repos/asf/hbase/blob/ee70b1d2/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnmodifiableLazyStringList.java ---------------------------------------------------------------------- diff --git a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnmodifiableLazyStringList.java b/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnmodifiableLazyStringList.java deleted file mode 100644 index 54786dd..0000000 --- a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnmodifiableLazyStringList.java +++ /dev/null @@ -1,210 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package org.apache.hadoop.hbase.shaded.com.google.protobuf; - -import java.util.AbstractList; -import java.util.Collection; -import java.util.Collections; -import java.util.Iterator; -import java.util.List; -import java.util.ListIterator; -import java.util.RandomAccess; - -/** - * An implementation of {@link LazyStringList} that wraps another - * {@link LazyStringList} such that it cannot be modified via the wrapper. - * - * @author j...@google.com (Jon Perlow) - */ -public class UnmodifiableLazyStringList extends AbstractList<String> - implements LazyStringList, RandomAccess { - - private final LazyStringList list; - - public UnmodifiableLazyStringList(LazyStringList list) { - this.list = list; - } - - @Override - public String get(int index) { - return list.get(index); - } - - @Override - public Object getRaw(int index) { - return list.getRaw(index); - } - - @Override - public int size() { - return list.size(); - } - - @Override - public ByteString getByteString(int index) { - return list.getByteString(index); - } - - @Override - public void add(ByteString element) { - throw new UnsupportedOperationException(); - } - - @Override - public void set(int index, ByteString element) { - throw new UnsupportedOperationException(); - } - - @Override - public boolean addAllByteString(Collection<? extends ByteString> element) { - throw new UnsupportedOperationException(); - } - - @Override - public byte[] getByteArray(int index) { - return list.getByteArray(index); - } - - @Override - public void add(byte[] element) { - throw new UnsupportedOperationException(); - } - - @Override - public void set(int index, byte[] element) { - throw new UnsupportedOperationException(); - } - - @Override - public boolean addAllByteArray(Collection<byte[]> element) { - throw new UnsupportedOperationException(); - } - - @Override - public ListIterator<String> listIterator(final int index) { - return new ListIterator<String>() { - ListIterator<String> iter = list.listIterator(index); - - @Override - public boolean hasNext() { - return iter.hasNext(); - } - - @Override - public String next() { - return iter.next(); - } - - @Override - public boolean hasPrevious() { - return iter.hasPrevious(); - } - - @Override - public String previous() { - return iter.previous(); - } - - @Override - public int nextIndex() { - return iter.nextIndex(); - } - - @Override - public int previousIndex() { - return iter.previousIndex(); - } - - @Override - public void remove() { - throw new UnsupportedOperationException(); - } - - @Override - public void set(String o) { - throw new UnsupportedOperationException(); - } - - @Override - public void add(String o) { - throw new UnsupportedOperationException(); - } - }; - } - - @Override - public Iterator<String> iterator() { - return new Iterator<String>() { - Iterator<String> iter = list.iterator(); - - @Override - public boolean hasNext() { - return iter.hasNext(); - } - - @Override - public String next() { - return iter.next(); - } - - @Override - public void remove() { - throw new UnsupportedOperationException(); - } - }; - } - - @Override - public List<?> getUnderlyingElements() { - // The returned value is already unmodifiable. - return list.getUnderlyingElements(); - } - - @Override - public void mergeFrom(LazyStringList other) { - throw new UnsupportedOperationException(); - } - - @Override - public List<byte[]> asByteArrayList() { - return Collections.unmodifiableList(list.asByteArrayList()); - } - - @Override - public List<ByteString> asByteStringList() { - return Collections.unmodifiableList(list.asByteStringList()); - } - - @Override - public LazyStringList getUnmodifiableView() { - return this; - } -} http://git-wip-us.apache.org/repos/asf/hbase/blob/ee70b1d2/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnsafeByteOperations.java ---------------------------------------------------------------------- diff --git a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnsafeByteOperations.java b/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnsafeByteOperations.java deleted file mode 100644 index ad99372..0000000 --- a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnsafeByteOperations.java +++ /dev/null @@ -1,131 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package org.apache.hadoop.hbase.shaded.com.google.protobuf; - -import java.io.IOException; -import java.nio.ByteBuffer; - -/** - * Provides a number of unsafe byte operations to be used by advanced applications with high - * performance requirements. These methods are referred to as "unsafe" due to the fact that they - * potentially expose the backing buffer of a {@link ByteString} to the application. - * - * <p><strong>DISCLAIMER:</strong> The methods in this class should only be called if it is - * guaranteed that the buffer backing the {@link ByteString} will never change! Mutation of a - * {@link ByteString} can lead to unexpected and undesirable consequences in your application, - * and will likely be difficult to debug. Proceed with caution! - * - * <p>This can have a number of significant side affects that have - * spooky-action-at-a-distance-like behavior. In particular, if the bytes value changes out from - * under a Protocol Buffer: - * <ul> - * <li>serialization may throw - * <li>serialization may succeed but the wrong bytes may be written out - * <li>messages are no longer threadsafe - * <li>hashCode may be incorrect - * <ul> - * <li>can result in a permanent memory leak when used as a key in a long-lived HashMap - * <li> the semantics of many programs may be violated if this is the case - * </ul> - * </ul> - * Each of these issues will occur in parts of the code base that are entirely distinct from the - * parts of the code base modifying the buffer. In fact, both parts of the code base may be correct - * - it is the bridging with the unsafe operations that was in error! - */ -@ExperimentalApi -public final class UnsafeByteOperations { - private UnsafeByteOperations() {} - - /** - * An unsafe operation that returns a {@link ByteString} that is backed by the provided buffer. - * - * @param buffer the buffer to be wrapped - * @return a {@link ByteString} backed by the provided buffer - */ - public static ByteString unsafeWrap(byte[] buffer) { - return ByteString.wrap(buffer); - } - - /** - * An unsafe operation that returns a {@link ByteString} that is backed by a subregion of the - * provided buffer. - * - * @param buffer the buffer to be wrapped - * @param offset the offset of the wrapped region - * @param length the number of bytes of the wrapped region - * @return a {@link ByteString} backed by the provided buffer - */ - public static ByteString unsafeWrap(byte[] buffer, int offset, int length) { - return ByteString.wrap(buffer, offset, length); - } - - /** - * An unsafe operation that returns a {@link ByteString} that is backed by the provided buffer. - * - * @param buffer the Java NIO buffer to be wrapped - * @return a {@link ByteString} backed by the provided buffer - */ - public static ByteString unsafeWrap(ByteBuffer buffer) { - return ByteString.wrap(buffer); - } - - /** - * An unsafe operation that returns a {@link ByteString} that is backed by the provided buffer. - * @param buffer the ByteInput buffer to be wrapped - * @param offset the offset of the wrapped byteinput - * @param length the number of bytes of the byteinput - * @return a {@link ByteString} backed by the provided buffer - */ - public static ByteString unsafeWrap(ByteInput buffer, int offset, int len) { - return ByteString.wrap(buffer, offset, len); - } - - /** - * Writes the given {@link ByteString} to the provided {@link ByteOutput}. Calling this method may - * result in multiple operations on the target {@link ByteOutput} - * (i.e. for roped {@link ByteString}s). - * - * <p>This method exposes the internal backing buffer(s) of the {@link ByteString} to the {@link - * ByteOutput} in order to avoid additional copying overhead. It would be possible for a malicious - * {@link ByteOutput} to corrupt the {@link ByteString}. Use with caution! - * - * <p> NOTE: The {@link ByteOutput} <strong>MUST NOT</strong> modify the provided buffers. Doing - * so may result in corrupted data, which would be difficult to debug. - * - * @param bytes the {@link ByteString} to be written - * @param output the output to receive the bytes - * @throws IOException if an I/O error occurs - */ - public static void unsafeWriteTo(ByteString bytes, ByteOutput output) throws IOException { - bytes.writeTo(output); - } - -} http://git-wip-us.apache.org/repos/asf/hbase/blob/ee70b1d2/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnsafeUtil.java ---------------------------------------------------------------------- diff --git a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnsafeUtil.java b/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnsafeUtil.java deleted file mode 100644 index bb4d8d6..0000000 --- a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/com/google/protobuf/UnsafeUtil.java +++ /dev/null @@ -1,295 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package org.apache.hadoop.hbase.shaded.com.google.protobuf; - -import java.lang.reflect.Field; -import java.nio.Buffer; -import java.nio.ByteBuffer; -import java.security.AccessController; -import java.security.PrivilegedExceptionAction; -import sun.misc.Unsafe; - -/** Utility class for working with unsafe operations. */ -// TODO(nathanmittler): Add support for Android Memory/MemoryBlock -final class UnsafeUtil { - private static final sun.misc.Unsafe UNSAFE = getUnsafe(); - private static final boolean HAS_UNSAFE_BYTEBUFFER_OPERATIONS = - supportsUnsafeByteBufferOperations(); - private static final boolean HAS_UNSAFE_ARRAY_OPERATIONS = supportsUnsafeArrayOperations(); - private static final long ARRAY_BASE_OFFSET = byteArrayBaseOffset(); - private static final long BUFFER_ADDRESS_OFFSET = fieldOffset(field(Buffer.class, "address")); - - private UnsafeUtil() {} - - static boolean hasUnsafeArrayOperations() { - return HAS_UNSAFE_ARRAY_OPERATIONS; - } - - static boolean hasUnsafeByteBufferOperations() { - return HAS_UNSAFE_BYTEBUFFER_OPERATIONS; - } - - static Object allocateInstance(Class<?> clazz) { - try { - return UNSAFE.allocateInstance(clazz); - } catch (InstantiationException e) { - throw new RuntimeException(e); - } - } - - static long objectFieldOffset(Field field) { - return UNSAFE.objectFieldOffset(field); - } - - static long getArrayBaseOffset() { - return ARRAY_BASE_OFFSET; - } - - static byte getByte(Object target, long offset) { - return UNSAFE.getByte(target, offset); - } - - static void putByte(Object target, long offset, byte value) { - UNSAFE.putByte(target, offset, value); - } - - static int getInt(Object target, long offset) { - return UNSAFE.getInt(target, offset); - } - - static void putInt(Object target, long offset, int value) { - UNSAFE.putInt(target, offset, value); - } - - static long getLong(Object target, long offset) { - return UNSAFE.getLong(target, offset); - } - - static void putLong(Object target, long offset, long value) { - UNSAFE.putLong(target, offset, value); - } - - static boolean getBoolean(Object target, long offset) { - return UNSAFE.getBoolean(target, offset); - } - - static void putBoolean(Object target, long offset, boolean value) { - UNSAFE.putBoolean(target, offset, value); - } - - static float getFloat(Object target, long offset) { - return UNSAFE.getFloat(target, offset); - } - - static void putFloat(Object target, long offset, float value) { - UNSAFE.putFloat(target, offset, value); - } - - static double getDouble(Object target, long offset) { - return UNSAFE.getDouble(target, offset); - } - - static void putDouble(Object target, long offset, double value) { - UNSAFE.putDouble(target, offset, value); - } - - static Object getObject(Object target, long offset) { - return UNSAFE.getObject(target, offset); - } - - static void putObject(Object target, long offset, Object value) { - UNSAFE.putObject(target, offset, value); - } - - static void copyMemory( - Object src, long srcOffset, Object target, long targetOffset, long length) { - UNSAFE.copyMemory(src, srcOffset, target, targetOffset, length); - } - - static byte getByte(long address) { - return UNSAFE.getByte(address); - } - - static void putByte(long address, byte value) { - UNSAFE.putByte(address, value); - } - - static int getInt(long address) { - return UNSAFE.getInt(address); - } - - static void putInt(long address, int value) { - UNSAFE.putInt(address, value); - } - - static long getLong(long address) { - return UNSAFE.getLong(address); - } - - static void putLong(long address, long value) { - UNSAFE.putLong(address, value); - } - - static void copyMemory(long srcAddress, long targetAddress, long length) { - UNSAFE.copyMemory(srcAddress, targetAddress, length); - } - - static void setMemory(long address, long numBytes, byte value) { - UNSAFE.setMemory(address, numBytes, value); - } - - /** - * Gets the offset of the {@code address} field of the given direct {@link ByteBuffer}. - */ - static long addressOffset(ByteBuffer buffer) { - return UNSAFE.getLong(buffer, BUFFER_ADDRESS_OFFSET); - } - - /** - * Gets the {@code sun.misc.Unsafe} instance, or {@code null} if not available on this platform. - */ - private static sun.misc.Unsafe getUnsafe() { - sun.misc.Unsafe unsafe = null; - try { - unsafe = - AccessController.doPrivileged( - new PrivilegedExceptionAction<Unsafe>() { - @Override - public sun.misc.Unsafe run() throws Exception { - Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class; - - for (Field f : k.getDeclaredFields()) { - f.setAccessible(true); - Object x = f.get(null); - if (k.isInstance(x)) { - return k.cast(x); - } - } - // The sun.misc.Unsafe field does not exist. - return null; - } - }); - } catch (Throwable e) { - // Catching Throwable here due to the fact that Google AppEngine raises NoClassDefFoundError - // for Unsafe. - } - return unsafe; - } - - /** Indicates whether or not unsafe array operations are supported on this platform. */ - private static boolean supportsUnsafeArrayOperations() { - boolean supported = false; - if (UNSAFE != null) { - try { - Class<?> clazz = UNSAFE.getClass(); - clazz.getMethod("objectFieldOffset", Field.class); - clazz.getMethod("allocateInstance", Class.class); - clazz.getMethod("arrayBaseOffset", Class.class); - clazz.getMethod("getByte", Object.class, long.class); - clazz.getMethod("putByte", Object.class, long.class, byte.class); - clazz.getMethod("getBoolean", Object.class, long.class); - clazz.getMethod("putBoolean", Object.class, long.class, boolean.class); - clazz.getMethod("getInt", Object.class, long.class); - clazz.getMethod("putInt", Object.class, long.class, int.class); - clazz.getMethod("getLong", Object.class, long.class); - clazz.getMethod("putLong", Object.class, long.class, long.class); - clazz.getMethod("getFloat", Object.class, long.class); - clazz.getMethod("putFloat", Object.class, long.class, float.class); - clazz.getMethod("getDouble", Object.class, long.class); - clazz.getMethod("putDouble", Object.class, long.class, double.class); - clazz.getMethod("getObject", Object.class, long.class); - clazz.getMethod("putObject", Object.class, long.class, Object.class); - clazz.getMethod( - "copyMemory", Object.class, long.class, Object.class, long.class, long.class); - supported = true; - } catch (Throwable e) { - // Do nothing. - } - } - return supported; - } - - private static boolean supportsUnsafeByteBufferOperations() { - boolean supported = false; - if (UNSAFE != null) { - try { - Class<?> clazz = UNSAFE.getClass(); - // Methods for getting direct buffer address. - clazz.getMethod("objectFieldOffset", Field.class); - clazz.getMethod("getLong", Object.class, long.class); - - clazz.getMethod("getByte", long.class); - clazz.getMethod("putByte", long.class, byte.class); - clazz.getMethod("getInt", long.class); - clazz.getMethod("putInt", long.class, int.class); - clazz.getMethod("getLong", long.class); - clazz.getMethod("putLong", long.class, long.class); - clazz.getMethod("setMemory", long.class, long.class, byte.class); - clazz.getMethod("copyMemory", long.class, long.class, long.class); - supported = true; - } catch (Throwable e) { - // Do nothing. - } - } - return supported; - } - - /** - * Get the base offset for byte arrays, or {@code -1} if {@code sun.misc.Unsafe} is not available. - */ - private static int byteArrayBaseOffset() { - return HAS_UNSAFE_ARRAY_OPERATIONS ? UNSAFE.arrayBaseOffset(byte[].class) : -1; - } - - /** - * Returns the offset of the provided field, or {@code -1} if {@code sun.misc.Unsafe} is not - * available. - */ - private static long fieldOffset(Field field) { - return field == null || UNSAFE == null ? -1 : UNSAFE.objectFieldOffset(field); - } - - /** - * Gets the field with the given name within the class, or {@code null} if not found. If found, - * the field is made accessible. - */ - private static Field field(Class<?> clazz, String fieldName) { - Field field; - try { - field = clazz.getDeclaredField(fieldName); - field.setAccessible(true); - } catch (Throwable t) { - // Failed to access the fields. - field = null; - } - return field; - } -}