com.github.zhengframework.memcached.MemcachedModule Maven / Gradle / Ivy

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zheng framework module: memcached support

There is a newer version: 1.8.0

package com.github.zhengframework.memcached;

import static com.google.inject.name.Names.named;

import com.github.zhengframework.configuration.Configuration;
import com.github.zhengframework.configuration.ConfigurationAware;
import com.github.zhengframework.configuration.ConfigurationBeanMapper;
import com.google.common.base.Preconditions;
import com.google.inject.AbstractModule;
import com.google.inject.Key;
import java.util.Map;
import java.util.Map.Entry;
import net.rubyeye.xmemcached.MemcachedClient;

public class MemcachedModule extends AbstractModule implements ConfigurationAware {

  private Configuration configuration;

  @Override
  protected void configure() {
    Preconditions.checkArgument(configuration != null, "configuration is null");

    Map memcachedConfigMap = ConfigurationBeanMapper
        .resolve(configuration, MemcachedConfig.class);
    for (Entry entry : memcachedConfigMap
        .entrySet()) {
      if (entry.getKey().isEmpty()) {
        MemcachedConfig memcachedConfig = entry.getValue();
        bind(MemcachedConfig.class).toInstance(memcachedConfig);
        bind(MemcachedClient.class).toProvider(MemcachedClientProvider.class);
      } else {
        String name = entry.getKey();
        MemcachedConfig memcachedConfig = entry.getValue();
        bind(Key.get(MemcachedConfig.class, named(name))).toInstance(memcachedConfig);
        bind(Key.get(MemcachedClient.class, named(name)))
            .toProvider(new MemcachedClientProvider(memcachedConfig));
      }
    }
  }

  @Override
  public void initConfiguration(Configuration configuration) {
    this.configuration = configuration;
  }
}