cacheconfig.java

OBPM是一个开源

package cn.myapps.util.cache;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Properties;

import cn.myapps.util.property.DefaultProperty;

public class CacheConfig {
	public static CacheConfig _application;

	private String providerClassName;

	private HashMap methodCacheConfigs = new HashMap();

	public static CacheConfig getInstance() throws IOException {
		if (_application == null) {
			_application = createCacheConfig();
		}
		return _application;
	}

	public static void main(String[] args) {
		try {
			createCacheConfig();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public static CacheConfig createCacheConfig() throws IOException {
		CacheConfig cconf = new CacheConfig();
		Properties prop = new Properties();

		InputStream is = CacheConfig.class.getClassLoader()
				.getResourceAsStream("myapps-cache.properties");

		prop.load(is);

		cconf.setProviderClassName(prop.getProperty("providerClassName"));

		// prop.keys().
		Enumeration enums = prop.keys();
		while (enums.hasMoreElements()) {
			String key = (String) enums.nextElement();
			if (!key.equals("providerClassName")) {
				MethodCacheConfig methodcache = new MethodCacheConfig();
				methodcache.signature = key;

				String[] tmp = prop.getProperty(key).split(",");
				methodcache.maxElementsInMemory = Integer.parseInt(tmp[0]);
				methodcache.timeToLiveSeconds = Integer.parseInt(tmp[1]);
				methodcache.timeToIdleSeconds = Integer.parseInt(tmp[2]);

				cconf.getMethodCacheConfigs().put(key, methodcache);
			}
		}

		return cconf;
	}

	private CacheConfig() {

	}

	public String getProviderClassName() {
		return providerClassName;
	}

	public void setProviderClassName(String providerClassName) {
		this.providerClassName = providerClassName;
	}

	public HashMap getMethodCacheConfigs() {
		return methodCacheConfigs;
	}

	public void setMethodCacheConfigs(HashMap methodNames) {
		this.methodCacheConfigs = methodNames;
	}

}

class MethodCacheConfig {
	String signature;

	int maxElementsInMemory;

	int timeToLiveSeconds;

	int timeToIdleSeconds;

	public int getMaxElementsInMemory() {
		return maxElementsInMemory;
	}

	public void setMaxElementsInMemory(int maxElementsInMemory) {
		this.maxElementsInMemory = maxElementsInMemory;
	}

	public int getTimeToIdleSeconds() {
		return timeToIdleSeconds;
	}

	public void setTimeToIdleSeconds(int timeToIdleSeconds) {
		this.timeToIdleSeconds = timeToIdleSeconds;
	}

	public int getTimeToLiveSeconds() {
		return timeToLiveSeconds;
	}

	public void setTimeToLiveSeconds(int timeToLiveSeconds) {
		this.timeToLiveSeconds = timeToLiveSeconds;
	}

	/**
	 * @hibernate.property column="SIGNATURE"
	 */
	public String getSignature() {
		return signature;
	}

	public void setSignature(String signature) {
		this.signature = signature;
	}
}