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SciJava Common is a shared library for SciJava software. It provides a plugin framework, with an extensible mechanism for service discovery, backed by its own annotation processor, so that plugins can be loaded dynamically. It is used by downstream projects in the SciJava ecosystem, such as ImageJ and SCIFIO.

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/*
 * #%L
 * SciJava Common shared library for SciJava software.
 * %%
 * Copyright (C) 2009 - 2014 Board of Regents of the University of
 * Wisconsin-Madison, Broad Institute of MIT and Harvard, and Max Planck
 * Institute of Molecular Cell Biology and Genetics.
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 */

package org.scijava.plugin;

/**
 * A service for managing {@link WrapperPlugin}s of a particular type. A
 * {@link WrapperPlugin} is a stateful {@link TypedPlugin} which wraps a
 * particular object of its associated data type. For any given data object, the
 * service is capable of wrapping it with the most appropriate wrapper by
 * sequentially querying each {@link WrapperPlugin} on its list for
 * compatibility.
 * 
 * Note that like {@link PTService}, {@link SingletonService} and
 * {@link TypedService}, {@code WrapperService} is not a service interface
 * defining API for a specific concrete service implementation, but rather a
 * more general layer in a type hierarchy intended to ease creation of services
 * that fit its pattern.
 * 
 * 
 * @author Curtis Rueden
 * @param  Base data type
 * @param  Plugin type
 * @see WrapperPlugin
 * @see PTService
 */
public interface WrapperService> extends
	TypedService
{

	/**
	 * Creates a new plugin instance wrapping the given associated data object.
	 * 
	 * @throws IllegalArgumentException if the data is not compatible with any
	 *           available plugin.
	 */
	 PT create(D data);

}