com.bumptech.glide.load.engine.bitmap_recycle.BaseKeyPool Maven / Gradle / Ivy

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

There is a newer version: 5.0.0-rc01

package com.bumptech.glide.load.engine.bitmap_recycle;

import com.bumptech.glide.util.Util;
import java.util.Queue;

abstract class BaseKeyPool {
  private static final int MAX_SIZE = 20;
  private final Queue keyPool = Util.createQueue(MAX_SIZE);

  protected T get() {
    T result = keyPool.poll();
    if (result == null) {
      result = create();
    }
    return result;
  }

  public void offer(T key) {
    if (keyPool.size() < MAX_SIZE) {
      keyPool.offer(key);
    }
  }

  protected abstract T create();
}