/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2011, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.as.test.manualmode.jca.moduledeployment.ra;

import javax.resource.ResourceException;
import javax.resource.spi.ConnectionManager;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.ManagedConnection;
import javax.resource.spi.ManagedConnectionFactory;
import javax.resource.spi.ResourceAdapter;
import javax.resource.spi.ResourceAdapterAssociation;
import javax.security.auth.Subject;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.Set;

/**
 * Managed connection factory
 * 
 * @author <a href="mailto:vrastsel@redhat.com">Vladimir Rastseluev</a>
 */
public class ValidManagedConnectionFactory implements ManagedConnectionFactory, ResourceAdapterAssociation {
    /** The serial version UID */
    private static final long serialVersionUID = 1L;

    /** The resource adapter */
    private ResourceAdapter ra;

    /** The logwriter */
    private PrintWriter logwriter;

    /** property */
    @NotNull
    @Size(max = 5)
    private String cfProperty;

    /**
     * Default constructor
     */
    public ValidManagedConnectionFactory() {

    }

    /**
     * Set property
     * 
     * @param property The value
     */
    public void setCfProperty(String property) {
        this.cfProperty = property;
    }

    /**
     * Get property
     * 
     * @return The value
     */
    public String getCfProperty() {
        return cfProperty;
    }

    /**
     * Creates a Connection Factory instance.
     * 
     * @param cxManager ConnectionManager to be associated with created EIS connection factory instance
     * @return EIS-specific Connection Factory instance or javax.resource.cci.ConnectionFactory instance
     * @throws javax.resource.ResourceException Generic exception
     */
    public Object createConnectionFactory(ConnectionManager cxManager) throws ResourceException {
        return new ValidConnectionFactoryImpl(this, cxManager);
    }

    /**
     * Creates a Connection Factory instance.
     * 
     * @return EIS-specific Connection Factory instance or javax.resource.cci.ConnectionFactory instance
     * @throws javax.resource.ResourceException Generic exception
     */
    public Object createConnectionFactory() throws ResourceException {
        throw new ResourceException("This resource adapter doesn't support non-managed environments");
    }

    /**
     * Creates a new physical connection to the underlying EIS resource manager.
     * 
     * @param subject Caller's security information
     * @param cxRequestInfo Additional resource adapter specific connection request information
     * @throws javax.resource.ResourceException generic exception
     * @return ManagedConnection instance
     */
    public ManagedConnection createManagedConnection(Subject subject, ConnectionRequestInfo cxRequestInfo)
            throws ResourceException {
        return new ValidManagedConnection(this);
    }

    /**
     * Returns a matched connection from the candidate set of connections.
     * 
     * @param connectionSet Candidate connection set
     * @param subject Caller's security information
     * @param cxRequestInfo Additional resource adapter specific connection request information
     * @throws javax.resource.ResourceException generic exception
     * @return ManagedConnection if resource adapter finds an acceptable match otherwise null
     */
    public ManagedConnection matchManagedConnections(Set connectionSet, Subject subject, ConnectionRequestInfo cxRequestInfo)
            throws ResourceException {
        ManagedConnection result = null;
        Iterator it = connectionSet.iterator();
        while (result == null && it.hasNext()) {
            ManagedConnection mc = (ManagedConnection) it.next();
            if (mc instanceof ValidManagedConnection) {
                result = mc;
            }

        }
        return result;
    }

    /**
     * Get the log writer for this ManagedConnectionFactory instance.
     * 
     * @return PrintWriter
     * @throws javax.resource.ResourceException generic exception
     */
    public PrintWriter getLogWriter() throws ResourceException {
        return logwriter;
    }

    /**
     * Set the log writer for this ManagedConnectionFactory instance.
     * 
     * @param out PrintWriter - an out stream for error logging and tracing
     * @throws javax.resource.ResourceException generic exception
     */
    public void setLogWriter(PrintWriter out) throws ResourceException {
        logwriter = out;
    }

    /**
     * Get the resource adapter
     * 
     * @return The handle
     */
    public ResourceAdapter getResourceAdapter() {
        return ra;
    }

    /**
     * Set the resource adapter
     * 
     * @param ra The handle
     */
    public void setResourceAdapter(ResourceAdapter ra) {
        this.ra = ra;
    }

    /**
     * Returns a hash code value for the object.
     * 
     * @return A hash code value for this object.
     */
    @Override
    public int hashCode() {
        int result = 17;
        if (cfProperty != null)
            result += 31 * result + 7 * cfProperty.hashCode();
        else
            result += 31 * result + 7;
        return result;
    }

    /**
     * Indicates whether some other object is equal to this one.
     * 
     * @param other The reference object with which to compare.
     * @return true if this object is the same as the obj argument, false otherwise.
     */
    @Override
    public boolean equals(Object other) {
        if (other == null)
            return false;
        if (other == this)
            return true;
        if (!(other instanceof ValidManagedConnectionFactory))
            return false;
        ValidManagedConnectionFactory obj = (ValidManagedConnectionFactory) other;
        boolean result = true;
        if (result) {
            if (cfProperty == null)
                result = obj.getCfProperty() == null;
            else
                result = cfProperty.equals(obj.getCfProperty());
        }
        return result;
    }

}
