Java Schema.getDependencies方法代码示例

import org.apache.directory.api.ldap.model.schema.registries.Schema; //导入方法依赖的package包/类
/**
 * Converts a Schema to an Entry
 * 
 * @param schema The Schema to convert
 * @param schemaManager The SchemaManager
 * @return An Entry containing the converted Schema
 * @throws LdapException If the conversion failed
 */
public Entry convert( Schema schema, SchemaManager schemaManager ) throws LdapException
{
    Entry entry = new DefaultEntry( schemaManager );

    entry.put( SchemaConstants.OBJECT_CLASS_AT, SchemaConstants.TOP_OC, MetaSchemaConstants.META_SCHEMA_OC );
    entry.put( SchemaConstants.CN_AT, schema.getSchemaName() );
    entry.put( SchemaConstants.CREATORS_NAME_AT, schema.getOwner() );
    entry.put( SchemaConstants.CREATE_TIMESTAMP_AT, DateUtils.getGeneralizedTime() );

    if ( schema.isDisabled() )
    {
        entry.put( MetaSchemaConstants.M_DISABLED_AT, "TRUE" );
    }

    String[] dependencies = schema.getDependencies();

    if ( dependencies != null && dependencies.length > 0 )
    {
        Attribute attr = new DefaultAttribute(
            schemaManager.getAttributeType( MetaSchemaConstants.M_DEPENDENCIES_AT ) );

        for ( String dependency : dependencies )
        {
            attr.add( dependency );
        }

        entry.put( attr );
    }

    return entry;
}
 

import org.apache.directory.api.ldap.model.schema.registries.Schema; //导入方法依赖的package包/类
/**
 * Load the schema in the registries. We will load everything accordingly to the two flags :
 * - isRelaxed
 * - disabledAccepted
 */
private boolean load( Registries registries, Schema schema ) throws LdapException
{
    if ( schema == null )
    {
        LOG.info( "The schema is null" );
        return false;
    }

    // First avoid loading twice the same schema
    if ( registries.isSchemaLoaded( schema.getSchemaName() ) )
    {
        return true;
    }

    if ( schema.isDisabled() )
    {
        if ( registries.isDisabledAccepted() )
        {
            LOG.info( "Loading {} disabled schema: \n{}", schema.getSchemaName(), schema );

            registries.schemaLoaded( schema );
            addSchemaObjects( schema, registries );
        }
        else
        {
            return false;
        }
    }
    else
    {
        LOG.info( "Loading {} enabled schema: \n{}", schema.getSchemaName(), schema );

        // Check that the dependencies, if any, are correct
        if ( schema.getDependencies() != null )
        {
            for ( String dependency : schema.getDependencies() )
            {
                Schema dependencySchema = schemaMap.get( dependency );

                if ( dependencySchema == null )
                {
                    // The dependency has not been loaded.
                    String msg = I18n.err( I18n.ERR_11002, schema.getSchemaName() );
                    LOG.info( msg );
                    Throwable error = new LdapProtocolErrorException( msg );
                    errors.add( error );

                    return false;
                }

                // If the dependency is disabled, then enable it
                if ( dependencySchema.isDisabled() )
                {
                    dependencySchema.enable();

                    if ( !load( registries, dependencySchema ) )
                    {
                        dependencySchema.disable();

                        return false;
                    }
                }
            }
        }

        registries.schemaLoaded( schema );
        addSchemaObjects( schema, registries );
    }

    return true;
}
 

import org.apache.directory.api.ldap.model.schema.registries.Schema; //导入方法依赖的package包/类
/**
 * Recursive method which loads schema's with their dependent schemas first
 * and tracks what schemas it has seen so the recursion does not go out of
 * control with dependency cycle detection.
 *
 * @param registries The Registries in which the schemas will be loaded
 * @param schema the current schema we are attempting to load
 * @throws Exception if there is a cycle detected and/or another
 * failure results while loading, producing and or registering schema objects
 */
private void loadDepsFirst( Registries registries, Schema schema ) throws LdapException
{
    if ( schema == null )
    {
        LOG.info( "The schema is null" );
        return;
    }

    if ( schema.isDisabled() && !registries.isDisabledAccepted() )
    {
        LOG.info( "The schema is disabled and the registries does not accepted disabled schema" );
        return;
    }

    String schemaName = schema.getSchemaName();

    if ( registries.isSchemaLoaded( schemaName ) )
    {
        LOG.info( "{} schema has already been loaded", schema.getSchemaName() );
        return;
    }

    String[] deps = schema.getDependencies();

    // if no deps then load this guy and return
    if ( ( deps == null ) || ( deps.length == 0 ) )
    {
        load( registries, schema );

        return;
    }

    /*
     * We got deps and need to load them before this schema.  We go through
     * all deps loading them with their deps first if they have not been
     * loaded.
     */
    for ( String depName : deps )
    {
        if ( registries.isSchemaLoaded( depName ) )
        {
            // The schema is already loaded. Loop on the next schema
            continue;
        }
        else
        {
            // Call recursively this method
            Schema schemaDep = schemaMap.get( depName );
            loadDepsFirst( registries, schemaDep );
        }
    }

    // Now load the current schema
    load( registries, schema );
}
 

import org.apache.directory.api.ldap.model.schema.registries.Schema; //导入方法依赖的package包/类
/**
 * Recursive method which loads schema's with their dependent schemas first
 * and tracks what schemas it has seen so the recursion does not go out of
 * control with dependency cycle detection.
 *
 * @param schema the current schema we are attempting to load
 * @throws Exception if there is a cycle detected and/or another
 * failure results while loading, producing and or registering schema objects
 */
private void loadDepsFirstRelaxed( Schema schema ) throws LdapException
{
    if ( schema == null )
    {
        LOG.info( "The schema is null" );
        return;
    }

    if ( schema.isDisabled() && !registries.isDisabledAccepted() )
    {
        LOG.info( "The schema is disabled and the registries does not accepted disabled schema" );
        return;
    }

    String schemaName = schema.getSchemaName();

    if ( registries.isSchemaLoaded( schemaName ) )
    {
        LOG.info( "{} schema has already been loaded", schema.getSchemaName() );
        return;
    }

    String[] deps = schema.getDependencies();

    // if no deps then load this guy and return
    if ( ( deps == null ) || ( deps.length == 0 ) )
    {
        load( registries, schema );

        return;
    }

    /*
     * We got deps and need to load them before this schema.  We go through
     * all deps loading them with their deps first if they have not been
     * loaded.
     */
    for ( String depName : deps )
    {
        if ( registries.isSchemaLoaded( schemaName ) )
        {
            // The schema is already loaded. Loop on the next schema
            continue;
        }
        else
        {
            // Call recursively this method
            Schema schemaDep = schema.getSchemaLoader().getSchema( depName );
            loadDepsFirstRelaxed( schemaDep );
        }
    }

    // Now load the current schema
    load( registries, schema );
}