com.dahuatech.hutool.cache.impl.NoCache Maven / Gradle / Ivy

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package com.dahuatech.hutool.cache.impl;

import com.dahuatech.hutool.cache.Cache;
import com.dahuatech.hutool.core.lang.func.Func0;

import java.util.Iterator;

/**
 * 无缓存实现，用于快速关闭缓存
 *
 * @param  键类型
 * @param  值类型
 * @author Looly,jodd
 */
public class NoCache implements Cache {
  private static final long serialVersionUID = 1L;

  @Override
  public int capacity() {
    return 0;
  }

  @Override
  public long timeout() {
    return 0;
  }

  @Override
  public void put(K key, V object) {
    // 跳过
  }

  @Override
  public void put(K key, V object, long timeout) {
    // 跳过
  }

  @Override
  public boolean containsKey(K key) {
    return false;
  }

  @Override
  public V get(K key) {
    return null;
  }

  @Override
  public V get(K key, boolean isUpdateLastAccess) {
    return null;
  }

  @Override
  public V get(K key, Func0 supplier) {
    try {
      return (null == supplier) ? null : supplier.call();
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

  @Override
  public Iterator iterator() {
    return null;
  }

  @Override
  public Iterator> cacheObjIterator() {
    return null;
  }

  @Override
  public int prune() {
    return 0;
  }

  @Override
  public boolean isFull() {
    return false;
  }

  @Override
  public void remove(K key) {
    // 跳过
  }

  @Override
  public void clear() {
    // 跳过
  }

  @Override
  public int size() {
    return 0;
  }

  @Override
  public boolean isEmpty() {
    return false;
  }
}