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 * 
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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package com.sun.grizzly.nio.tmpselectors;

import com.sun.grizzly.Grizzly;
import java.io.IOException;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.util.logging.Level;
import com.sun.grizzly.Reader;
import com.sun.grizzly.Writer;
import com.sun.grizzly.nio.SelectorFactory;

/**
 *
 * @author oleksiys
 */
public class TemporarySelectorIO {
    protected TemporarySelectorPool selectorPool;

    private final Reader reader;
    private final Writer writer;

    public TemporarySelectorIO(Reader reader, Writer writer) {
        this(reader, writer, null);
    }

    public TemporarySelectorIO(Reader reader, Writer writer,
            TemporarySelectorPool selectorPool) {
        this.reader = reader;
        this.writer = writer;
        this.selectorPool = selectorPool;
    }

    public TemporarySelectorPool getSelectorPool() {
        return selectorPool;
    }

    public void setSelectorPool(TemporarySelectorPool selectorPool) {
        this.selectorPool = selectorPool;
    }

    public Reader getReader() {
        return reader;
    }

    public Writer getWriter() {
        return writer;
    }

    protected void recycleTemporaryArtifacts(Selector selector,
            SelectionKey selectionKey) {
        
        if (selectionKey != null) {
            try {
                selectionKey.cancel();
            } catch (Exception e) {
                Grizzly.logger.log(Level.WARNING,
                        "Unexpected exception, when canceling the SelectionKey: " +
                        selectionKey, e);
            }
        }

        if (selector != null) {
            try {
                selector.selectNow();
                selectorPool.offer(selector);
            } catch (IOException e) {
                Grizzly.logger.log(Level.WARNING,
                        "Temporary Selector failure. Creating new one", e);
                try {
                    selectorPool.offer(SelectorFactory.instance().create());
                } catch (IOException ee) {
                    Grizzly.logger.log(Level.WARNING,
                            "Error creating new Selector", ee);
                }
            }
        }
    }
}