com.bumptech.glide.load.resource.SimpleResource Maven / Gradle / Ivy

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A fast and efficient image loading library for Android focused on smooth scrolling.

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package com.bumptech.glide.load.resource;

import androidx.annotation.NonNull;
import com.bumptech.glide.load.engine.Resource;
import com.bumptech.glide.util.Preconditions;

/**
 * Simple wrapper for an arbitrary object which helps to satisfy some of the glide engine's
 * contracts. Suggested usages only include resource object which don't have size and cannot be
 * recycled/closed.
 *
 * @param  type of the wrapped resource
 */
// TODO: there isn't much point in caching these...
public class SimpleResource implements Resource {
  protected final T data;

  public SimpleResource(@NonNull T data) {
    this.data = Preconditions.checkNotNull(data);
  }

  @NonNull
  @SuppressWarnings("unchecked")
  @Override
  public Class getResourceClass() {
    return (Class) data.getClass();
  }

  @NonNull
  @Override
  public final T get() {
    return data;
  }

  @Override
  public final int getSize() {
    return 1;
  }

  @Override
  public void recycle() {
    // no op
  }
}