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/*
 * Copyright 2012 International Business Machines Corp.
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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 com.ibm.jbatch.container.services;

import java.sql.Timestamp;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

import jakarta.batch.operations.NoSuchJobExecutionException;
import jakarta.batch.runtime.BatchStatus;
import jakarta.batch.runtime.JobInstance;
import jakarta.batch.runtime.StepExecution;

import com.ibm.jbatch.container.context.impl.StepContextImpl;
import com.ibm.jbatch.container.jobinstance.RuntimeFlowInSplitExecution;
import com.ibm.jbatch.container.jobinstance.RuntimeJobExecution;
import com.ibm.jbatch.container.jobinstance.StepExecutionImpl;
import com.ibm.jbatch.container.persistence.CheckpointData;
import com.ibm.jbatch.container.persistence.CheckpointDataKey;
import com.ibm.jbatch.container.status.JobStatus;
import com.ibm.jbatch.container.status.StepStatus;
import com.ibm.jbatch.spi.services.IBatchServiceBase;

public interface IPersistenceManagerService extends IBatchServiceBase {

	public enum TimestampType { CREATE, END, LAST_UPDATED, STARTED };

    /**
     * JOB OPERATOR ONLY METHODS
     */

	public int jobOperatorGetJobInstanceCount(String jobName);

	public int jobOperatorGetJobInstanceCount(String jobName, String appTag);

	public Map jobOperatorGetExternalJobInstanceData();

	public List jobOperatorGetJobInstanceIds(String jobName, int start, int count);

	public List jobOperatorGetJobInstanceIds(String jobName, String appTag, int start, int count);

	public Timestamp jobOperatorQueryJobExecutionTimestamp(long key, TimestampType timetype);

	public String jobOperatorQueryJobExecutionBatchStatus(long key);

	public String jobOperatorQueryJobExecutionExitStatus(long key);

	public long jobOperatorQueryJobExecutionJobInstanceId(long executionID) throws NoSuchJobExecutionException;

	public List getStepExecutionsForJobExecution(long execid);

	public Map getMostRecentStepExecutionsForJobInstance(long instanceId);

	public void updateBatchStatusOnly(long executionId, BatchStatus batchStatus, Timestamp timestamp);

	public void markJobStarted(long key, Timestamp startTS);

	public void updateWithFinalExecutionStatusesAndTimestamps(long key, BatchStatus batchStatus, String exitStatus, Timestamp updatets);

	public IJobExecution jobOperatorGetJobExecution(long jobExecutionId);

	public Properties getParameters(long executionId) throws NoSuchJobExecutionException;

	public List jobOperatorGetJobExecutions(long jobInstanceId);

	public Set jobOperatorGetRunningExecutions(String jobName);

	public String getJobCurrentTag(long jobInstanceId);

	public void purge(String apptag);

	public JobStatus getJobStatusFromExecution(long executionId);

	public long getJobInstanceIdByExecutionId(long executionId) throws NoSuchJobExecutionException;

	// JOBINSTANCEDATA
	/**
	 * Creates a JobIntance
	 *
	 * @param name the job id from job.xml
	 * @param apptag the application tag that owns this job
	 * @param jobXml the resolved job xml
	 * @return the job instance
	 */
	public JobInstance createJobInstance(String name, String apptag, String jobXml);

	// EXECUTIONINSTANCEDATA
	/**
	 * Create a JobExecution
	 *
	 * @param jobInstance the parent job instance
	 * @param jobParameters the parent job instance parameters
	 * @param batchStatus the current BatchStatus
	 * @return the RuntimeJobExecution class for this JobExecution
	 */
	RuntimeJobExecution createJobExecution(JobInstance jobInstance, Properties jobParameters, BatchStatus batchStatus);

	// STEPEXECUTIONINSTANCEDATA
	/**
	 * Create a StepExecution
	 *
	 * @param jobExecId the parent JobExecution id
	 * @param stepContext the step context for this step execution
	 * @return the StepExecution
	 */
	public StepExecutionImpl createStepExecution(long jobExecId, StepContextImpl stepContext);

	/**
	 * Update a StepExecution
	 *
	 * @param stepContext the step context for this step execution
	 */
	public void updateStepExecution(StepContextImpl stepContext);

	/**
	 * Update a StepExecution for the "top-level" StepExecution of a partitioned step.
	 * 
	 * This will aggregate the metrics from the "partition-level" StepExecution(s), 
	 * (which by the way are not spec-defined and not accessible through standard, public APIs.)
	 * 
	 * @param rootJobExecutionId the root job execution id
	 * @param stepContext the step context for this step execution
	 */
	public void updateWithFinalPartitionAggregateStepExecution(long rootJobExecutionId, StepContextImpl stepContext);

	// JOB_STATUS
	/**
	 * Create a JobStatus
	 *
	 * @param jobInstanceId the parent job instance id
	 * @return the JobStatus
	 */
	public JobStatus createJobStatus(long jobInstanceId);

	/**
	 * Get a JobStatus
	 *
	 * @param instanceId the parent job instance id
	 * @return the JobStatus
	 */
	public JobStatus getJobStatus(long instanceId);

	/**
	 * Update a JobStatus
	 *
	 * @param instanceId the parent job instance id
	 * @param jobStatus the job status to be updated
	 */
	public void updateJobStatus(long instanceId, JobStatus jobStatus);

	// STEP_STATUS
	/**
	 * Create a StepStatus
	 *
	 * @param stepExecId the parent step execution id
	 * @return the StepStatus
	 */
	public StepStatus createStepStatus(long stepExecId);

	/**
	 * Get a StepStatus
	 *
	 * The parent job instance id and this step name from the job xml
	 * are used to determine if the current step execution have previously run.
	 *
	 * @param instanceId the parent job instance id
	 * @param stepName the step name
	 * @return the StepStatus
	 */
	public StepStatus getStepStatus(long instanceId, String stepName);

	/**
	 * Update a StepStatus
	 *
	 * @param stepExecutionId the parent step execution id
	 * @param stepStatus the step status to be updated
	 */
	public void updateStepStatus(long stepExecutionId, StepStatus stepStatus);


	/**
	 * Get the application name from an execution id.
	 *
	 * @param jobExecutionId the job execution id
	 * @return the application name
	 */
	public String getTagName(long jobExecutionId);


    public void updateCheckpointData(CheckpointDataKey key, CheckpointData value);

	CheckpointData getCheckpointData(CheckpointDataKey key);

	void createCheckpointData(CheckpointDataKey key, CheckpointData value);

	long getMostRecentExecutionId(long jobInstanceId);

	JobInstance createSubJobInstance(String name, String apptag);

	public RuntimeFlowInSplitExecution createFlowInSplitExecution(JobInstance jobInstance, BatchStatus batchStatus);

	public StepExecution getStepExecutionByStepExecutionId(long stepExecId);

}