1 package com.bumptech.glide.load.model; 2 3 import android.content.Context; 4 5 /** 6 * An interface for creating a {@link ModelLoader} for a given model type. Will be retained statically so should not 7 * retain {@link Context} or any other objects that cannot be retained for the life of the application. ModelLoaders 8 * will not be retained statically so it is safe for any ModelLoader built by this factory to retain a reference to a 9 * {@link Context}. 10 * 11 * @param <T> The type of the model the {@link com.bumptech.glide.load.model.ModelLoader}s built by this factory 12 * can handle 13 * @param <Y> The type of data the {@link com.bumptech.glide.load.model.ModelLoader}s built by this factory can load. 14 */ 15 public interface ModelLoaderFactory<T, Y> { 16 17 /** 18 * Build a concrete ModelLoader for this model type. 19 * 20 * @param context A context that cannot be retained by the factory but can be retained by the {@link ModelLoader} 21 * @param factories A map of classes to factories that can be used to construct additional {@link ModelLoader}s that 22 * this factory's {@link ModelLoader} may depend on 23 * @return A new {@link ModelLoader} 24 */ build(Context context, GenericLoaderFactory factories)25 ModelLoader<T, Y> build(Context context, GenericLoaderFactory factories); 26 27 /** 28 * A lifecycle method that will be called when this factory is about to replaced. 29 */ teardown()30 void teardown(); 31 } 32