/*
 * Copyright 2012 LinkedIn Corp.
 * 
 * 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 azkaban.executor;

import java.io.File;
import java.util.List;
import java.util.Map;

import azkaban.utils.FileIOUtils.LogData;
import azkaban.utils.Pair;
import azkaban.utils.Props;

public interface ExecutorLoader {
	public void uploadExecutableFlow(ExecutableFlow flow) throws ExecutorManagerException;
	
	public ExecutableFlow fetchExecutableFlow(int execId) throws ExecutorManagerException;
	
	public Map<Integer,Pair<ExecutionReference, ExecutableFlow>> fetchActiveFlows() throws ExecutorManagerException;

	public List<ExecutableFlow> fetchFlowHistory(int skip, int num) throws ExecutorManagerException;

	public List<ExecutableFlow> fetchFlowHistory(int projectId, String flowId, int skip, int num) throws ExecutorManagerException;

	public List<ExecutableFlow> fetchFlowHistory(int projectId, String flowId, int skip, int num, Status status) throws ExecutorManagerException;

	public List<ExecutableFlow> fetchFlowHistory(String projContain, String flowContains, String userNameContains, int status, long startData, long endData, int skip, int num) throws ExecutorManagerException;

	public void addActiveExecutableReference(ExecutionReference ref) throws ExecutorManagerException;

	public void removeActiveExecutableReference(int execId) throws ExecutorManagerException;

	public boolean updateExecutableReference(int execId, long updateTime) throws ExecutorManagerException;

	public LogData fetchLogs(int execId, String name, int attempt, int startByte, int endByte) throws ExecutorManagerException;

	public String fetchStats(int execId, String name) throws ExecutorManagerException;

	public void uploadLogFile(int execId, String name, int attempt, File ... files) throws ExecutorManagerException;

	public void updateExecutableFlow(ExecutableFlow flow) throws ExecutorManagerException;

	public void uploadExecutableNode(ExecutableNode node, Props inputParams) throws ExecutorManagerException; 

	public List<ExecutableJobInfo> fetchJobInfoAttempts(int execId, String jobId) throws ExecutorManagerException;

	public ExecutableJobInfo fetchJobInfo(int execId, String jobId, int attempt) throws ExecutorManagerException;
	
	public List<ExecutableJobInfo> fetchJobHistory(int projectId, String jobId, int skip, int size) throws ExecutorManagerException;
	
	public void updateExecutableNode(ExecutableNode node) throws ExecutorManagerException;

	public int fetchNumExecutableFlows(int projectId, String flowId) throws ExecutorManagerException;

	public int fetchNumExecutableFlows() throws ExecutorManagerException;
	
	public int fetchNumExecutableNodes(int projectId, String jobId) throws ExecutorManagerException;
	
	public Props fetchExecutionJobInputProps(int execId, String jobId) throws ExecutorManagerException;
	
	public Props fetchExecutionJobOutputProps(int execId, String jobId) throws ExecutorManagerException;
	
	public Pair<Props, Props> fetchExecutionJobProps(int execId, String jobId) throws ExecutorManagerException;

	public int removeExecutionLogsByTime(long millis) throws ExecutorManagerException;
	
}
