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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 java.sql.Connection;
import java.util.List;
import java.util.Map;
import org.activiti.engine.api.internal.Internal;
import org.activiti.engine.event.EventLogEntry;
import org.activiti.engine.impl.cmd.CustomSqlExecution;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandConfig;
import org.activiti.engine.impl.persistence.entity.DeadLetterJobEntity;
import org.activiti.engine.impl.persistence.entity.SuspendedJobEntity;
import org.activiti.engine.impl.persistence.entity.TimerJobEntity;
import org.activiti.engine.management.TableMetaData;
import org.activiti.engine.management.TablePage;
import org.activiti.engine.management.TablePageQuery;
import org.activiti.engine.runtime.DeadLetterJobQuery;
import org.activiti.engine.runtime.Job;
import org.activiti.engine.runtime.JobQuery;
import org.activiti.engine.runtime.SuspendedJobQuery;
import org.activiti.engine.runtime.TimerJobQuery;
/**
* Service for admin and maintenance operations on the process engine.
*
* These operations will typically not be used in a workflow driven application, but are used in for example the operational console.
*
*/
@Internal
public interface ManagementService {
/**
* Get the mapping containing {table name, row count} entries of the Activiti database schema.
*/
Map getTableCount();
/**
* Gets the table name (including any configured prefix) for an Activiti entity like Task, Execution or the like.
*/
String getTableName(Class activitiEntityClass);
/**
* Gets the metadata (column names, column types, etc.) of a certain table. Returns null when no table exists with the given name.
*/
TableMetaData getTableMetaData(String tableName);
/**
* Creates a {@link TablePageQuery} that can be used to fetch {@link TablePage} containing specific sections of table row data.
*/
TablePageQuery createTablePageQuery();
/**
* Returns a new JobQuery implementation, that can be used to dynamically query the jobs.
*/
JobQuery createJobQuery();
/**
* Returns a new TimerJobQuery implementation, that can be used to dynamically query the timer jobs.
*/
TimerJobQuery createTimerJobQuery();
/**
* Returns a new SuspendedJobQuery implementation, that can be used to dynamically query the suspended jobs.
*/
SuspendedJobQuery createSuspendedJobQuery();
/**
* Returns a new DeadLetterJobQuery implementation, that can be used to dynamically query the dead letter jobs.
*/
DeadLetterJobQuery createDeadLetterJobQuery();
/**
* Forced synchronous execution of a job (eg. for administration or testing) The job will be executed, even if the process definition and/or the process instance is in suspended state.
*
* @param jobId
* id of the job to execute, cannot be null.
* @throws ActivitiObjectNotFoundException
* when there is no job with the given id.
*/
void executeJob(String jobId);
/**
* Moves a timer job to the executable job table (eg. for administration or testing). The timer job will be moved, even if the process definition and/or the process instance is in suspended state.
*
* @param jobId
* id of the timer job to move, cannot be null.
* @throws ActivitiObjectNotFoundException
* when there is no job with the given id.
*/
Job moveTimerToExecutableJob(String jobId);
/**
* Moves a job to the dead letter job table (eg. for administration or testing). The job will be moved, even if the process definition and/or the process instance has retries left.
*
* @param jobId
* id of the job to move, cannot be null.
* @throws ActivitiObjectNotFoundException
* when there is no job with the given id.
*/
Job moveJobToDeadLetterJob(String jobId);
/**
* Moves a job that is in the dead letter job table back to be an executable job,
* and resetting the retries (as the retries was 0 when it was put into the dead letter job table).
*
* @param jobId
* id of the job to move, cannot be null.
* @param retries
* the number of retries (value greater than 0) which will be set on the job.
* @throws ActivitiObjectNotFoundException
* when there is no job with the given id.
*/
Job moveDeadLetterJobToExecutableJob(String jobId, int retries);
/**
* Delete the job with the provided id.
*
* @param jobId
* id of the job to delete, cannot be null.
* @throws ActivitiObjectNotFoundException
* when there is no job with the given id.
*/
void deleteJob(String jobId);
/**
* Delete the timer job with the provided id.
*
* @param jobId
* id of the timer job to delete, cannot be null.
* @throws ActivitiObjectNotFoundException
* when there is no job with the given id.
*/
void deleteTimerJob(String jobId);
/**
* Delete the dead letter job with the provided id.
*
* @param jobId
* id of the dead letter job to delete, cannot be null.
* @throws ActivitiObjectNotFoundException
* when there is no job with the given id.
*/
void deleteDeadLetterJob(String jobId);
/**
* Sets the number of retries that a job has left.
*
* Whenever the JobExecutor fails to execute a job, this value is decremented. When it hits zero, the job is supposed to be dead and not retried again. In that case, this method can be used to
* increase the number of retries.
*
* @param jobId
* id of the job to modify, cannot be null.
* @param retries
* number of retries.
*/
void setJobRetries(String jobId, int retries);
/**
* Sets the number of retries that a timer job has left.
*
* Whenever the JobExecutor fails to execute a timer job, this value is decremented. When it hits zero, the job is supposed to be dead and not retried again. In that case, this method can be used to
* increase the number of retries.
*
* @param jobId
* id of the timer job to modify, cannot be null.
* @param retries
* number of retries.
*/
void setTimerJobRetries(String jobId, int retries);
/**
* Returns the full stacktrace of the exception that occurs when the job with the given id was last executed.
* Returns null when the job has no exception stacktrace.
*
* @param jobId
* id of the job, cannot be null.
* @throws ActivitiObjectNotFoundException
* when no job exists with the given id.
*/
String getJobExceptionStacktrace(String jobId);
/**
* Returns the full stacktrace of the exception that occurs when the {@link TimerJobEntity} with the given id was last executed.
* Returns null when the job has no exception stacktrace.
*
* @param jobId
* id of the job, cannot be null.
* @throws ActivitiObjectNotFoundException
* when no job exists with the given id.
*/
String getTimerJobExceptionStacktrace(String jobId);
/**
* Returns the full stacktrace of the exception that occurs when the {@link SuspendedJobEntity} with the given id was last executed.
* Returns null when the job has no exception stacktrace.
*
* @param jobId
* id of the job, cannot be null.
* @throws ActivitiObjectNotFoundException
* when no job exists with the given id.
*/
String getSuspendedJobExceptionStacktrace(String jobId);
/**
* Returns the full stacktrace of the exception that occurs when the {@link DeadLetterJobEntity} with the given id was last executed.
* Returns null when the job has no exception stacktrace.
*
* @param jobId
* id of the job, cannot be null.
* @throws ActivitiObjectNotFoundException
* when no job exists with the given id.
*/
String getDeadLetterJobExceptionStacktrace(String jobId);
/** get the list of properties. */
Map getProperties();
/**
* programmatic schema update on a given connection returning feedback about what happened
*/
String databaseSchemaUpgrade(Connection connection, String catalog, String schema);
/**
* Executes a given command with the default {@link CommandConfig}.
*
* @param command
* the command, cannot be null.
* @return the result of command execution
*/
T executeCommand(Command command);
/**
* Executes a given command with the specified {@link CommandConfig}.
*
* @param config
* the command execution configuration, cannot be null.
* @param command
* the command, cannot be null.
* @return the result of command execution
*/
T executeCommand(CommandConfig config, Command command);
/**
* Executes the sql contained in the {@link CustomSqlExecution} parameter.
*/
ResultType executeCustomSql(CustomSqlExecution customSqlExecution);
/**
* Returns a list of event log entries, describing everything the engine has processed. Note that the event logging must specifically must be enabled in the process engine configuration.
*
* Passing null as arguments will effectively fetch ALL event log entries. Be careful, as this list might be huge!
*/
List getEventLogEntries(Long startLogNr, Long pageSize);
/**
* Returns a list of event log entries for a specific process instance id. Note that the event logging must specifically must be enabled in the process engine configuration.
*
* Passing null as arguments will effectively fetch ALL event log entries. Be careful, as this list might be huge!
*/
List getEventLogEntriesByProcessInstanceId(String processInstanceId);
/**
* Delete a EventLogEntry. Typically only used in testing, as deleting log entries defeats the whole purpose of keeping a log.
*/
void deleteEventLogEntry(long logNr);
}
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