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package com.pdd.pop.ext.glassfish.grizzly.threadpool;

import java.util.concurrent.TimeUnit;
import com.pdd.pop.ext.glassfish.grizzly.ThreadCache;
import com.pdd.pop.ext.glassfish.grizzly.ThreadCache.ObjectCache;
import com.pdd.pop.ext.glassfish.grizzly.attributes.AttributeBuilder;
import com.pdd.pop.ext.glassfish.grizzly.attributes.AttributeHolder;
import com.pdd.pop.ext.glassfish.grizzly.memory.ThreadLocalPool;

/**
 * Default Grizzly worker thread implementation
 * 
 * @author Alexey Stashok
 */
public class DefaultWorkerThread extends Thread implements WorkerThread {

    private final AttributeHolder attributes;

    private final ThreadLocalPool memoryPool;
    
    private final ObjectCache objectCache = new ObjectCache();
    
    private long transactionTimeoutMillis =
            WorkerThread.UNLIMITED_TRANSACTION_TIMEOUT;

    public DefaultWorkerThread(AttributeBuilder attrBuilder,
                               String name,
                               ThreadLocalPool pool,
                               Runnable runTask) {
        super(runTask, name);
        attributes = attrBuilder.createUnsafeAttributeHolder();
        memoryPool = pool;

    }

    @Override
    public Thread getThread() {
        return this;
    }

    @Override
    public AttributeHolder getAttributes() {
        return attributes;
    }

    public ThreadLocalPool getMemoryPool() {
        return memoryPool;
    }

    /**
     * Get the cached object with the given type index from cache.
     * Unlike {@link #takeFromCache(com.pdd.pop.ext.glassfish.grizzly.ThreadCache.CachedTypeIndex)}, the
     * object won't be removed from cache.
     *
     * @param 
     * @param index the cached object type index.
     * @return cached object.
     */
    public final  E getFromCache(final ThreadCache.CachedTypeIndex index) {
        return objectCache.get(index);
    }

    /**
     * Take the cached object with the given type index from cache.
     * Unlike {@link #getFromCache(com.pdd.pop.ext.glassfish.grizzly.ThreadCache.CachedTypeIndex)}, the
     * object will be removed from cache.
     *
     * @param 
     * @param index the cached object type index.
     * @return cached object.
     */
    public final  E takeFromCache(final ThreadCache.CachedTypeIndex index) {
        return objectCache.take(index);
    }

    public final  boolean putToCache(final ThreadCache.CachedTypeIndex index,
            final E o) {
        return objectCache.put(index, o);
    }

    @Override
    public long getTransactionTimeout(TimeUnit timeunit) {
        return timeunit.convert(transactionTimeoutMillis, TimeUnit.MILLISECONDS);
    }

    @Override
    public void setTransactionTimeout(long timeout, TimeUnit timeunit) {
        this.transactionTimeoutMillis =
                TimeUnit.MILLISECONDS.convert(timeout, timeunit);
    }
}