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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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 * accompanied this code).

 *

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package com.sun.jdi.connect;

import java.util.Map;

/**

 * A connector which can launch a target VM before connecting to it.

 *

 * @author Gordon Hirsch

 * @since  1.3

 */

public interface LaunchingConnector extends Connector {

    /**

     * Launches an application and connects to its VM. Properties

     * of the launch (possibly including options,

     * main class, and arguments) are specified in

     * <code>arguments</code>.

     * The argument map associates argument name strings to instances

     * of {@link Connector.Argument}. The default argument map for a

     * connector can be obtained through {@link Connector#defaultArguments}.

     * Argument map values can be changed, but map entries should not be

     * added or deleted.

     * <p>A target VM launched by a launching connector is not

     * received.

     * <p>

     * <b>Important note:</b> If a target VM is launched through this

     * funcctions, its output and error streams must be read as it

     * executes. These streams are available through the

     * {@link java.lang.Process Process} object returned by

     * read, the target VM will stop executing when the buffers for these

     * streams are filled.

     *

     * @param arguments the argument map to be used in launching the VM.

     * @return the {@link VirtualMachine} mirror of the target VM.

     * @throws java.io.IOException when unable to launch.

     * Specific exceptions are dependent on the Connector implementation

     * in use.

     * @throws IllegalConnectorArgumentsException when one of the

     * connector arguments is invalid.

     * @throws VMStartException when the VM was successfully launched, but

     * terminated with an error before a connection could be established.

     */

    VirtualMachine launch(Map<String,? extends Connector.Argument> arguments)

        throws IOException, IllegalConnectorArgumentsException,

               VMStartException;

}