br.com.apartida.acesso.utils.CacheLocate.java Source code

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Here is the source code for br.com.apartida.acesso.utils.CacheLocate.java

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package br.com.apartida.acesso.utils;

import java.util.HashMap;
import org.apache.commons.collections4.map.PassiveExpiringMap;

/**
 * Classe utilizada para criao de cache de stubs para minimizar impacto de
 * performance na localizao de servios.
 *
 * @author lvargas
 */
public final class CacheLocate {

    private static final CacheLocate INSTANCE = new CacheLocate();

    private static PassiveExpiringMap<String, Object> cache;

    private static final long TIMEOUT = 3600000;

    /**
     *
     * @return
     */
    public static CacheLocate getInstance() {
        return INSTANCE;
    }

    /**
     *
     * @param chave
     * @return
     */
    public Object get(final String chave) {
        if (cache == null) {
            cache = new PassiveExpiringMap(TIMEOUT, new HashMap<String, Object>());
        }

        final Object obj = cache.get(chave);

        return obj;
    }

    /**
     *
     * @param chave
     * @param valor
     */
    public void put(final String chave, final Object valor) {
        if (cache == null) {
            cache = new PassiveExpiringMap(TIMEOUT, new HashMap<String, Object>());
        }

        final Object obj = cache.get(chave);

        if (obj == null) {
            cache.put(chave, valor);
        }
    }

}