ResourceDefinitionCache.java

package com.sequenceiq.cloudbreak.cache;

import java.lang.reflect.Method;

import org.springframework.cache.interceptor.SimpleKey;
import org.springframework.stereotype.Service;

import net.sf.ehcache.config.CacheConfiguration;

@Service
public class ResourceDefinitionCache implements CacheDefinition {

    private static final long MAX_ENTRIES = 1000L;

    @Override
    public CacheConfiguration cacheConfiguration() {
        CacheConfiguration cacheConfiguration = new CacheConfiguration();
        cacheConfiguration.setName("resourceDefinitionCache");
        cacheConfiguration.setMemoryStoreEvictionPolicy("LRU");
        cacheConfiguration.setMaxEntriesLocalHeap(MAX_ENTRIES);
        return cacheConfiguration;
    }

    @Override
    public Object generate(Object target, Method method, Object... params) {
        if (params.length == 0) {
            return SimpleKey.EMPTY;
        }
        if (params.length == 1) {
            Object param = params[0];
            if (param != null && !param.getClass().isArray()) {
                return param;
            }
        }
        return new SimpleKey(params);
    }

    @Override
    public Class type() {
        return Object.class;
    }
}