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package org.glassfish.api.admin;
import org.jvnet.hk2.annotations.Contract;
/**
* <p>
* This is an admin command interface, command implementations have to be
* stateless and should also have a {@link org.jvnet.hk2.component.Scope}
* value of {@link org.jvnet.hk2.component.PerLookup}
* </p>
*
* Command implementations should use the {@link org.glassfish.api.Param}
* annotation to annotate the command parameters.
*
* Command implementations are normal services and are therefore following
* the normal hk2 service lifecycle and injection features.
*
* <p>
* Internationalization can be provided by using the {@link org.glassfish.api.I18n}}
* annotation. Each parameter declaration can also be annotated with an
* {@link org.glassfish.api.I18n} annotation to point to the parameter .
* </p>
*
* By default, if an {@link org.glassfish.api.I18n} is used to annotate implementations,
* the value of the annotation will be used as follow to lookup strings in the module's
* local strings properties files.
*
* key provide a short description of the command role and expected output
* key.usagetext [optional] if not provided, usage text will be calculated based on
* parameters declaration
* key.paramName [optional] provide a description for the parameter "paramName", it
* can be overriden by annotating the @Param annotated field/method with
* a {@link org.glassfish.api.I18n}
*
* @author Jerome Dochez
*/
@Contract
public interface AdminCommand {
/**
* Executes the command with the command parameters passed as Properties
* where the keys are the parameter names and the values are the parameter values
* @param context information
*/
public void execute(AdminCommandContext context);
}