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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * accompanied this code).
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package jdk.internal.module;

import java.lang.module.ModuleDescriptor;
import java.util.Map;
import java.util.Set;

A SystemModules object reconstitutes module descriptors and other modules
attributes in an efficient way to avoid parsing module-info.class files at
startup. Implementations of this class are generated by the "system modules"
jlink plugin.
See Also:
SystemModuleFinders
SystemModulesPlugin/**
 * A SystemModules object reconstitutes module descriptors and other modules
 * attributes in an efficient way to avoid parsing module-info.class files at
 * startup. Implementations of this class are generated by the "system modules"
 * jlink plugin.
 *
 * @see SystemModuleFinders
 * @see jdk.tools.jlink.internal.plugins.SystemModulesPlugin
 */

interface SystemModules {

    
Returns false if the module reconstituted by this SystemModules object
have no overlapping packages. Returns true if there are overlapping
packages or unknown.
/**
     * Returns false if the module reconstituted by this SystemModules object
     * have no overlapping packages. Returns true if there are overlapping
     * packages or unknown.
     */
    boolean hasSplitPackages();

    
Return false if the modules reconstituted by this SystemModules object
do not include any incubator modules. Returns true if there are
incubating modules or unknown.
/**
     * Return false if the modules reconstituted by this SystemModules object
     * do not include any incubator modules. Returns true if there are
     * incubating modules or unknown.
     */
    boolean hasIncubatorModules();

    
Returns the non-empty array of ModuleDescriptor objects.
/**
     * Returns the non-empty array of ModuleDescriptor objects.
     */
    ModuleDescriptor[] moduleDescriptors();

    
Returns the array of ModuleTarget objects. The array elements correspond
to the array of ModuleDescriptor objects.
/**
     * Returns the array of ModuleTarget objects. The array elements correspond
     * to the array of ModuleDescriptor objects.
     */
    ModuleTarget[] moduleTargets();

    
Returns the array of ModuleHashes objects. The array elements correspond
to the array of ModuleDescriptor objects.
/**
     * Returns the array of ModuleHashes objects. The array elements correspond
     * to the array of ModuleDescriptor objects.
     */
    ModuleHashes[] moduleHashes();

    
Returns the array of ModuleResolution objects. The array elements correspond
to the array of ModuleDescriptor objects.
/**
     * Returns the array of ModuleResolution objects. The array elements correspond
     * to the array of ModuleDescriptor objects.
     */
    ModuleResolution[] moduleResolutions();

    
Returns the map representing readability graph for the modules reconstituted
by this SystemModules object.
/**
     * Returns the map representing readability graph for the modules reconstituted
     * by this SystemModules object.
     */
    Map<String, Set<String>> moduleReads();

    
Returns the map of module concealed packages to open. The map key is the
module name, the value is the set of concealed packages to open.
/**
     * Returns the map of module concealed packages to open. The map key is the
     * module name, the value is the set of concealed packages to open.
     */
    Map<String, Set<String>> concealedPackagesToOpen();

    
Returns the map of module exported packages to open. The map key is the
module name, the value is the set of exported packages to open.
/**
     * Returns the map of module exported packages to open. The map key is the
     * module name, the value is the set of exported packages to open.
     */
    Map<String, Set<String>> exportedPackagesToOpen();
}