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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activiti.engine;
import org.activiti.engine.api.internal.Internal;
import org.activiti.engine.history.*;
import org.activiti.engine.task.IdentityLink;
import java.util.List;
/**
* Service exposing information about ongoing and past process instances. This is different from the runtime information in the sense that this runtime information only contains the actual runtime
* state at any given moment and it is optimized for runtime process execution performance. The history information is optimized for easy querying and remains permanent in the persistent storage.
*
*/
@Internal
public interface HistoryService {
/**
* Creates a new programmatic query to search for {@link HistoricProcessInstance}s.
*/
HistoricProcessInstanceQuery createHistoricProcessInstanceQuery();
/**
* Creates a new programmatic query to search for {@link HistoricActivityInstance}s.
*/
HistoricActivityInstanceQuery createHistoricActivityInstanceQuery();
/**
* Creates a new programmatic query to search for {@link HistoricTaskInstance}s.
*/
HistoricTaskInstanceQuery createHistoricTaskInstanceQuery();
/** Creates a new programmatic query to search for {@link HistoricDetail}s. */
HistoricDetailQuery createHistoricDetailQuery();
/**
* Returns a new {@link org.activiti.engine.query.NativeQuery} for process definitions.
*/
NativeHistoricDetailQuery createNativeHistoricDetailQuery();
/**
* Creates a new programmatic query to search for {@link HistoricVariableInstance}s.
*/
HistoricVariableInstanceQuery createHistoricVariableInstanceQuery();
/**
* Returns a new {@link org.activiti.engine.query.NativeQuery} for process definitions.
*/
NativeHistoricVariableInstanceQuery createNativeHistoricVariableInstanceQuery();
/**
* Deletes historic task instance. This might be useful for tasks that are {@link TaskService#newTask() dynamically created} and then {@link TaskService#complete(String) completed}. If the historic
* task instance doesn't exist, no exception is thrown and the method returns normal.
*/
void deleteHistoricTaskInstance(String taskId);
/**
* Deletes historic process instance. All historic activities, historic task and historic details (variable updates, form properties) are deleted as well.
*/
void deleteHistoricProcessInstance(String processInstanceId);
/**
* creates a native query to search for {@link HistoricProcessInstance}s via SQL
*/
NativeHistoricProcessInstanceQuery createNativeHistoricProcessInstanceQuery();
/**
* creates a native query to search for {@link HistoricTaskInstance}s via SQL
*/
NativeHistoricTaskInstanceQuery createNativeHistoricTaskInstanceQuery();
/**
* creates a native query to search for {@link HistoricActivityInstance}s via SQL
*/
NativeHistoricActivityInstanceQuery createNativeHistoricActivityInstanceQuery();
/**
* Retrieves the {@link HistoricIdentityLink}s associated with the given task. Such an {@link IdentityLink} informs how a certain identity (eg. group or user) is associated with a certain task (eg.
* as candidate, assignee, etc.), even if the task is completed as opposed to {@link IdentityLink}s which only exist for active tasks.
*/
List getHistoricIdentityLinksForTask(String taskId);
/**
* Retrieves the {@link HistoricIdentityLink}s associated with the given process instance. Such an {@link IdentityLink} informs how a certain identity (eg. group or user) is associated with a
* certain process instance, even if the instance is completed as opposed to {@link IdentityLink}s which only exist for active instances.
*/
List getHistoricIdentityLinksForProcessInstance(String processInstanceId);
/**
* Allows to retrieve the {@link ProcessInstanceHistoryLog} for one process instance.
*/
ProcessInstanceHistoryLogQuery createProcessInstanceHistoryLogQuery(String processInstanceId);
}