/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008 Sun Microsystems, Inc.
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*/
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package org.opends.server.core;
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import org.opends.server.types.DN;
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import org.opends.server.types.SearchScope;
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/**
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* This class is the base class used to build the workflow topology.
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* A workflow topology is a tree of workflows. Each node in the tree
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* is attached to a WorkflowImpl which contains the task tree (ie. the
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* processing).
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*
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* There are two types of workflow nodes. The first one is used to build
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* nodes in the workflow topology (WorkflowTopologyNode) and the second
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* one is used to implement the root DSE node (RootDseWorkflowTopology).
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*/
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public abstract class WorkflowTopology implements Workflow
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{
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// The workflow implementation containing the task tree (ie. the processing)
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private WorkflowImpl workflowImpl = null;
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/**
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* Each workflow node may have specific tasks to be executed before
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* the workflow task tree. The tasks to execute before are stored in
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* the following array, which is empty at the moment (implementation
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* will come later on when needed).
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*/
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// private WorkflowElement[] preWorkflowElements = null;
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/**
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* Each workflow node may have specific tasks to be executed after
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* the workflow task tree. The tasks to execute after are stored in
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* the following array, which is empty at the moment (implementation
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* will come later on when needed).
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*/
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// private WorkflowElement[] postWorkflowElements = null;
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/**
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* Create a new instance of the workflow topology base class.
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* The instance is initialized with the workflow implementation which
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* contains the task tree (ie. the processing).
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*
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* @param workflowImpl the workflow which contains the processing
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*/
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protected WorkflowTopology(WorkflowImpl workflowImpl)
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{
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this.workflowImpl = workflowImpl;
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}
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/**
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* Returns the workflow implementation which contains the task tree
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* (ie. the processing).
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*
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* @return the workflow implementation which contains the processing
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*/
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public WorkflowImpl getWorkflowImpl()
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{
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return workflowImpl;
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}
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/**
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* Gets the base DN of the workflow node. The base DN of the workflow
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* node is the base DN of the attached workflow implementation containing
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* the processing.
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*
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* @return the base DN of the workflow containing the processing.
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*/
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public DN getBaseDN()
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{
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return getWorkflowImpl().getBaseDN();
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}
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/**
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* Elaborates a new search scope according to the current search scope.
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* The new scope is intended to be used for searches on subordinate
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* workflows.
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*
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* @param currentScope the current search scope
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* @return the new scope to use for searches on subordinate workflows,
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* <code>null</code> when current scope is 'base'
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*/
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protected SearchScope elaborateScopeForSearchInSubordinates(
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SearchScope currentScope
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)
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{
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switch (currentScope)
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{
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case BASE_OBJECT:
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return null;
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case SINGLE_LEVEL:
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return SearchScope.BASE_OBJECT;
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case SUBORDINATE_SUBTREE:
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case WHOLE_SUBTREE:
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return SearchScope.WHOLE_SUBTREE;
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default:
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return currentScope;
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}
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}
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}
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