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/**
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.github.dm.rf.android.entry;
/**
* Utility class providing helper methods for creating and managing {@link SparseEntry} objects.
*
* Created by davide-maestroni on 3/18/14.
*/
public class SparseEntries {
/**
* Avoid direct instantiation.
*/
private SparseEntries() {
}
/**
* Create a new {@link LongSparseObjectEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @param the value type.
* @return the new entry.
*/
public static LongSparseObjectEntry entry(final long key, final V value) {
return parcelableEntry(key, value);
}
/**
* Create a new {@link ObjectSparseObjectEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @param the key type.
* @param the value type.
* @return the new entry.
*/
public static ObjectSparseObjectEntry entry(final K key, final V value) {
return parcelableEntry(key, value);
}
/**
* Create a new {@link IntSparseObjectEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @param the value type.
* @return the new entry.
*/
public static IntSparseObjectEntry entry(final int key, final V value) {
return parcelableEntry(key, value);
}
/**
* Create a new {@link IntSparseBooleanEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @return the new entry.
*/
public static IntSparseBooleanEntry entry(final int key, final boolean value) {
return parcelableEntry(key, value);
}
/**
* Create a new {@link IntSparseIntEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @return the new entry.
*/
public static IntSparseIntEntry entry(final int key, final int value) {
return parcelableEntry(key, value);
}
/**
* Create a new {@link IntSparseLongEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @return the new entry.
*/
public static IntSparseLongEntry entry(final int key, final long value) {
return parcelableEntry(key, value);
}
/**
* Returns true if the specified entry is equal to the passed object by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @param other the object to compare.
* @param the key type.
* @param the value type.
* @return whether the entry is equal to the passed object.
*/
public static boolean equal(final ObjectSparseObjectEntry entry,
final Object other) {
if (entry == other) {
return true;
}
if (entry == null) {
return false;
}
if (!(other instanceof ObjectSparseObjectEntry)) {
return false;
}
final ObjectSparseObjectEntry that = (ObjectSparseObjectEntry) other;
final K key = entry.getKey();
if ((key != null) ? !key.equals(that.getKey()) : (that.getKey() != null)) {
return false;
}
final V value = entry.getValue();
return ((value != null) ? value.equals(that.getValue()) : (that.getValue() == null));
}
/**
* Returns true if the specified entry is equal to the passed object by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @param other the object to compare.
* @param the value type.
* @return whether the entry is equal to the passed object.
*/
public static boolean equal(final LongSparseObjectEntry entry, final Object other) {
if (entry == other) {
return true;
}
if (entry == null) {
return false;
}
if (!(other instanceof LongSparseObjectEntry)) {
return false;
}
final LongSparseObjectEntry that = (LongSparseObjectEntry) other;
if (entry.getKey() != that.getKey()) {
return false;
}
final V value = entry.getValue();
return ((value != null) ? value.equals(that.getValue()) : (that.getValue() == null));
}
/**
* Returns true if the specified entry is equal to the passed object by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @param other the object to compare.
* @param the value type.
* @return whether the entry is equal to the passed object.
*/
public static boolean equal(final IntSparseObjectEntry entry, final Object other) {
if (entry == other) {
return true;
}
if (entry == null) {
return false;
}
if (!(other instanceof IntSparseObjectEntry)) {
return false;
}
final IntSparseObjectEntry that = (IntSparseObjectEntry) other;
if (entry.getKey() != that.getKey()) {
return false;
}
final V value = entry.getValue();
return ((value != null) ? value.equals(that.getValue()) : (that.getValue() == null));
}
/**
* Returns true if the specified entry is equal to the passed object by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @param other the object to compare.
* @return whether the entry is equal to the passed object.
*/
public static boolean equal(final IntSparseBooleanEntry entry, final Object other) {
if (entry == other) {
return true;
}
if (entry == null) {
return false;
}
if (!(other instanceof IntSparseBooleanEntry)) {
return false;
}
final IntSparseBooleanEntry that = (IntSparseBooleanEntry) other;
return ((entry.getKey() == that.getKey()) && (entry.getValue() == that.getValue()));
}
/**
* Returns true if the specified entry is equal to the passed object by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @param other the object to compare.
* @return whether the entry is equal to the passed object.
*/
public static boolean equal(final IntSparseIntEntry entry, final Object other) {
if (entry == other) {
return true;
}
if (entry == null) {
return false;
}
if (!(other instanceof IntSparseIntEntry)) {
return false;
}
final IntSparseIntEntry that = (IntSparseIntEntry) other;
return ((entry.getKey() == that.getKey()) && (entry.getValue() == that.getValue()));
}
/**
* Returns true if the specified entry is equal to the passed object by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @param other the object to compare.
* @return whether the entry is equal to the passed object.
*/
public static boolean equal(final IntSparseLongEntry entry, final Object other) {
if (entry == other) {
return true;
}
if (entry == null) {
return false;
}
if (!(other instanceof IntSparseLongEntry)) {
return false;
}
final IntSparseLongEntry that = (IntSparseLongEntry) other;
return ((entry.getKey() == that.getKey()) && (entry.getValue() == that.getValue()));
}
/**
* Returns the hash code of the specified entry computed by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @param the key type.
* @param the value type.
* @return the hash code.
*/
public static int hashCode(final ObjectSparseObjectEntry entry) {
if (entry == null) {
return 0;
}
final K key = entry.getKey();
final V value = entry.getValue();
int result = ((key != null) ? key.hashCode() : 0);
result ^= ((value != null) ? value.hashCode() : 0);
return result;
}
/**
* Returns the hash code of the specified entry computed by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @param the value type.
* @return the hash code.
*/
public static int hashCode(final LongSparseObjectEntry entry) {
if (entry == null) {
return 0;
}
final long key = entry.getKey();
final V value = entry.getValue();
int result = (int) (key ^ (key >>> 32));
result ^= ((value != null) ? value.hashCode() : 0);
return result;
}
/**
* Returns the hash code of the specified entry computed by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @param the value type.
* @return the hash code.
*/
public static int hashCode(final IntSparseObjectEntry entry) {
if (entry == null) {
return 0;
}
final V value = entry.getValue();
int result = entry.getKey();
result ^= ((value != null) ? value.hashCode() : 0);
return result;
}
/**
* Returns the hash code of the specified entry computed by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @return the hash code.
*/
public static int hashCode(final IntSparseIntEntry entry) {
if (entry == null) {
return 0;
}
int result = entry.getKey();
result ^= entry.getValue();
return result;
}
/**
* Returns the hash code of the specified entry computed by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @return the hash code.
*/
public static int hashCode(final IntSparseLongEntry entry) {
if (entry == null) {
return 0;
}
final long value = entry.getValue();
int result = entry.getKey();
result ^= (int) (value ^ (value >>> 32));
return result;
}
/**
* Returns the hash code of the specified entry computed by using the same rules as
* {@link java.util.Map.Entry} objects.
*
* @param entry the entry.
* @return the hash code.
*/
public static int hashCode(final IntSparseBooleanEntry entry) {
if (entry == null) {
return 0;
}
int result = entry.getKey();
result ^= (entry.getValue() ? 1231 : 1237);
return result;
}
/**
* Create a new {@link ParcelableIntSparseLongEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @return the new entry.
*/
public static ParcelableIntSparseLongEntry parcelableEntry(final int key, final long value) {
return new ParcelableIntSparseLongEntryImpl(key, value);
}
/**
* Create a new {@link ParcelableIntSparseIntEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @return the new entry.
*/
public static ParcelableIntSparseIntEntry parcelableEntry(final int key, final int value) {
return new ParcelableIntSparseIntEntryImpl(key, value);
}
/**
* Create a new {@link ParcelableIntSparseBooleanEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @return the new entry.
*/
public static ParcelableIntSparseBooleanEntry parcelableEntry(final int key,
final boolean value) {
return new ParcelableIntSparseBooleanEntryImpl(key, value);
}
/**
* Create a new {@link ParcelableIntSparseObjectEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @param the value type.
* @return the new entry.
*/
public static ParcelableIntSparseObjectEntry parcelableEntry(final int key,
final V value) {
return new ParcelableIntSparseObjectEntryImpl(key, value);
}
/**
* Create a new {@link ParcelableObjectSparseObjectEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @param the key type.
* @param the value type.
* @return the new entry.
*/
public static ParcelableObjectSparseObjectEntry parcelableEntry(final K key,
final V value) {
return new ParcelableObjectSparseObjectEntryImpl(key, value);
}
/**
* Create a new {@link ParcelableLongSparseObjectEntry} with the specified key and value.
*
* @param key the key.
* @param value the value.
* @param the value type.
* @return the new entry.
*/
public static ParcelableLongSparseObjectEntry parcelableEntry(final long key,
final V value) {
return new ParcelableLongSparseObjectEntryImpl(key, value);
}
}
