1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package android.util; 17 18 import android.util.Property; 19 20 /** 21 * An implementation of {@link android.util.Property} to be used specifically with fields of type 22 * <code>float</code>. This type-specific subclass enables performance benefit by allowing 23 * calls to a {@link #set(Object, Float) set()} function that takes the primitive 24 * <code>float</code> type and avoids autoboxing and other overhead associated with the 25 * <code>Float</code> class. 26 * 27 * @param <T> The class on which the Property is declared. 28 * 29 * @hide 30 */ 31 public abstract class FloatProperty<T> extends Property<T, Float> { 32 33 public FloatProperty(String name) { 34 super(Float.class, name); 35 } 36 37 /** 38 * A type-specific override of the {@link #set(Object, Float)} that is faster when dealing 39 * with fields of type <code>float</code>. 40 */ 41 public abstract void setValue(T object, float value); 42 43 @Override 44 final public void set(T object, Float value) { 45 setValue(object, value); 46 } 47 48 }
