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-rw-r--r--third_party/protobuf/java/core/src/main/java/com/google/protobuf/MapFieldLite.java224
1 files changed, 0 insertions, 224 deletions
diff --git a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/MapFieldLite.java b/third_party/protobuf/java/core/src/main/java/com/google/protobuf/MapFieldLite.java
deleted file mode 100644
index 4264027911..0000000000
--- a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/MapFieldLite.java
+++ /dev/null
@@ -1,224 +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 com.google.protobuf;
-
-import com.google.protobuf.Internal.EnumLite;
-
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * Internal representation of map fields in generated lite-runtime messages.
- *
- * This class is a protobuf implementation detail. Users shouldn't use this
- * class directly.
- */
-public final class MapFieldLite<K, V> extends LinkedHashMap<K, V> {
-
- private boolean isMutable;
-
- private MapFieldLite() {
- this.isMutable = true;
- }
-
- private MapFieldLite(Map<K, V> mapData) {
- super(mapData);
- this.isMutable = true;
- }
-
- @SuppressWarnings({"rawtypes", "unchecked"})
- private static final MapFieldLite EMPTY_MAP_FIELD = new MapFieldLite();
- static {
- EMPTY_MAP_FIELD.makeImmutable();
- }
-
- /** Returns an singleton immutable empty MapFieldLite instance. */
- @SuppressWarnings({"unchecked", "cast"})
- public static <K, V> MapFieldLite<K, V> emptyMapField() {
- return (MapFieldLite<K, V>) EMPTY_MAP_FIELD;
- }
-
- public void mergeFrom(MapFieldLite<K, V> other) {
- ensureMutable();
- if (!other.isEmpty()) {
- putAll(other);
- }
- }
-
- @SuppressWarnings({"unchecked", "cast"})
- @Override public Set<Map.Entry<K, V>> entrySet() {
- return isEmpty() ? Collections.<Map.Entry<K, V>>emptySet() : super.entrySet();
- }
-
- @Override public void clear() {
- ensureMutable();
- super.clear();
- }
-
- @Override public V put(K key, V value) {
- ensureMutable();
- return super.put(key, value);
- }
-
- public V put(Map.Entry<K, V> entry) {
- return put(entry.getKey(), entry.getValue());
- }
-
- @Override public void putAll(Map<? extends K, ? extends V> m) {
- ensureMutable();
- super.putAll(m);
- }
-
- @Override public V remove(Object key) {
- ensureMutable();
- return super.remove(key);
- }
-
- private static boolean equals(Object a, Object b) {
- if (a instanceof byte[] && b instanceof byte[]) {
- return Arrays.equals((byte[]) a, (byte[]) b);
- }
- return a.equals(b);
- }
-
- /**
- * Checks whether two {@link Map}s are equal. We don't use the default equals
- * method of {@link Map} because it compares by identity not by content for
- * byte arrays.
- */
- static <K, V> boolean equals(Map<K, V> a, Map<K, V> b) {
- if (a == b) {
- return true;
- }
- if (a.size() != b.size()) {
- return false;
- }
- for (Map.Entry<K, V> entry : a.entrySet()) {
- if (!b.containsKey(entry.getKey())) {
- return false;
- }
- if (!equals(entry.getValue(), b.get(entry.getKey()))) {
- return false;
- }
- }
- return true;
- }
-
- /**
- * Checks whether two map fields are equal.
- */
- @SuppressWarnings("unchecked")
- @Override
- public boolean equals(Object object) {
- return (object instanceof Map) && equals(this, (Map<K, V>) object);
- }
-
- private static int calculateHashCodeForObject(Object a) {
- if (a instanceof byte[]) {
- return Internal.hashCode((byte[]) a);
- }
- // Enums should be stored as integers internally.
- if (a instanceof EnumLite) {
- throw new UnsupportedOperationException();
- }
- return a.hashCode();
- }
-
- /**
- * Calculates the hash code for a {@link Map}. We don't use the default hash
- * code method of {@link Map} because for byte arrays and protobuf enums it
- * use {@link Object#hashCode()}.
- */
- static <K, V> int calculateHashCodeForMap(Map<K, V> a) {
- int result = 0;
- for (Map.Entry<K, V> entry : a.entrySet()) {
- result += calculateHashCodeForObject(entry.getKey())
- ^ calculateHashCodeForObject(entry.getValue());
- }
- return result;
- }
-
- @Override
- public int hashCode() {
- return calculateHashCodeForMap(this);
- }
-
- private static Object copy(Object object) {
- if (object instanceof byte[]) {
- byte[] data = (byte[]) object;
- return Arrays.copyOf(data, data.length);
- }
- return object;
- }
-
- /**
- * Makes a deep copy of a {@link Map}. Immutable objects in the map will be
- * shared (e.g., integers, strings, immutable messages) and mutable ones will
- * have a copy (e.g., byte arrays, mutable messages).
- */
- @SuppressWarnings("unchecked")
- static <K, V> Map<K, V> copy(Map<K, V> map) {
- Map<K, V> result = new LinkedHashMap<K, V>();
- for (Map.Entry<K, V> entry : map.entrySet()) {
- result.put(entry.getKey(), (V) copy(entry.getValue()));
- }
- return result;
- }
-
- /** Returns a deep copy of this map field. */
- public MapFieldLite<K, V> mutableCopy() {
- return isEmpty() ? new MapFieldLite<K, V>() : new MapFieldLite<K, V>(this);
- }
-
- /**
- * Makes this field immutable. All subsequent modifications will throw an
- * {@link UnsupportedOperationException}.
- */
- public void makeImmutable() {
- isMutable = false;
- }
-
- /**
- * Returns whether this field can be modified.
- */
- public boolean isMutable() {
- return isMutable;
- }
-
- private void ensureMutable() {
- if (!isMutable()) {
- throw new UnsupportedOperationException();
- }
- }
-}