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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright (C) 2019 Ericsson
* =============================================================================
* 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.
*
* ============LICENSE_END=========================================================
*/
package org.onap.appc.flow.controller.dbervices;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.util.ArrayList;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.onap.appc.flow.controller.data.Transaction;
import org.onap.appc.flow.controller.utils.EscapeUtils;
import org.onap.appc.flow.controller.utils.FlowControllerConstants;
import org.onap.ccsdk.sli.core.dblib.DbLibService;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.onap.ccsdk.sli.core.sli.SvcLogicResource.QueryStatus;
public class FlowControlDBService {
private static final EELFLogger log = EELFManager.getInstance().getLogger(FlowControlDBService.class);
private static final String QUERY_STR = "Query String : ";
private static final String FAILURE_PARAM = "FAILURE";
protected static final String GET_FLOW_REF_DATA_ERROR = "Error - while getting FlowReferenceData ";
private static final String ARTIFACT_CONTENT_PARAM = "artifact-content";
protected static final String COUNT_PROTOCOL_PARAM = "count(protocol)";
private DbLibServiceQueries dblib;
private static FlowControlDBService dgGeneralDBService = null;
private FlowControlDBService() {
if (dblib== null) {
dblib = new DbLibServiceQueries();
}
}
protected FlowControlDBService(DbLibServiceQueries dbLibServiceQueries) {
dblib = dbLibServiceQueries;
}
protected FlowControlDBService(DbLibService dbLibService) {
dblib = new DbLibServiceQueries(dbLibService);
}
public static FlowControlDBService initialise() {
if (dgGeneralDBService == null) {
dgGeneralDBService = new FlowControlDBService();
}
return dgGeneralDBService;
}
public void getFlowReferenceData(SvcLogicContext ctx, Map<String, String> inParams, SvcLogicContext localContext)
throws SvcLogicException {
String fn = "DBService.getflowModelInfo";
String whereClause = " where ACTION = $" + FlowControllerConstants.REQUEST_ACTION;
if (StringUtils.isNotBlank(ctx.getAttribute(FlowControllerConstants.ACTION_LEVEL))) {
whereClause = whereClause.concat(" and ACTION_LEVEL = $" + FlowControllerConstants.ACTION_LEVEL);
}
QueryStatus status;
if (dblib != null && localContext != null) {
String key = "select SEQUENCE_TYPE, CATEGORY, GENERATION_NODE, EXECUTION_NODE from "
+ FlowControllerConstants.DB_MULTISTEP_FLOW_REFERENCE + whereClause;
log.debug(fn + QUERY_STR + key);
status = dblib.query(key, localContext);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException(GET_FLOW_REF_DATA_ERROR);
}
}
}
public String getEndPointByAction(String action) {
return null;
}
public String getDesignTimeFlowModel(SvcLogicContext localContext) throws SvcLogicException {
String fn = "DBService.getDesignTimeFlowModel ";
QueryStatus status;
if (dblib != null && localContext != null) {
String queryString =
"select max(internal_version) as maxInternalVersion, artifact_name as artifactName from "
+ FlowControllerConstants.DB_SDC_ARTIFACTS + " where artifact_name in (select artifact_name from "
+ FlowControllerConstants.DB_SDC_REFERENCE + " where vnf_type= $"
+ FlowControllerConstants.VNF_TYPE
+ " and vnfc_type = $" + FlowControllerConstants.VNFC_TYPE + " and action = $"
+ FlowControllerConstants.REQUEST_ACTION + " and file_category = $"
+ FlowControllerConstants.CATEGORY + " )";
log.debug(fn + QUERY_STR + queryString);
status = dblib.query(queryString, localContext);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException(GET_FLOW_REF_DATA_ERROR);
}
String queryString1 = "select artifact_content from " + FlowControllerConstants.DB_SDC_ARTIFACTS
+ " where artifact_name = $artifactName and internal_version = $maxInternalVersion ";
log.debug(fn + QUERY_STR + queryString1);
status = dblib.query(queryString1, localContext);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException(GET_FLOW_REF_DATA_ERROR);
}
}
return localContext != null ? localContext.getAttribute(ARTIFACT_CONTENT_PARAM) : null;
}
public QueryStatus loadSequenceIntoDB(SvcLogicContext localContext) throws SvcLogicException {
QueryStatus status = null;
if (localContext != null) {
String fn = "DBService.saveArtifacts";
localContext.setAttribute(FlowControllerConstants.ARTIFACT_CONTENT_ESCAPED,
EscapeUtils.escapeSql(localContext.getAttribute(FlowControllerConstants.ARTIFACT_CONTENT)));
log.debug("ESCAPED sequence for DB : "
+ localContext.getAttribute(FlowControllerConstants.ARTIFACT_CONTENT_ESCAPED));
for (Object key : localContext.getAttributeKeySet()) {
String parmName = (String) key;
String parmValue = localContext.getAttribute(parmName);
log.debug(" loadSequenceIntoDB " + parmName + "=" + parmValue);
}
String queryString = "INSERT INTO " + FlowControllerConstants.DB_REQUEST_ARTIFACTS + " set request_id = $"
+ FlowControllerConstants.REQUEST_ID + " , action = $" + FlowControllerConstants.REQUEST_ACTION
+ " , action_level = $" + FlowControllerConstants.ACTION_LEVEL + " , vnf_type = $"
+ FlowControllerConstants.VNF_TYPE + " , category = $" + FlowControllerConstants.CATEGORY
+ " , artifact_content = $" + FlowControllerConstants.ARTIFACT_CONTENT_ESCAPED
+ " , updated_date = sysdate() ";
log.debug(fn + QUERY_STR + queryString);
status = dblib.save(queryString, localContext);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException("Error While processing storing Artifact: "
+ localContext.getAttribute(FlowControllerConstants.ARTIFACT_NAME));
}
}
return status;
}
public void populateModuleAndRPC(Transaction transaction, String vnfType) throws SvcLogicException {
String fn = "FlowControlDBService.populateModuleAndRPC ";
QueryStatus status;
SvcLogicContext context = getSvcLogicContext();
String protocolType = getProtocolType(transaction, vnfType, fn, context);
String key = "select execution_type, execution_module, execution_rpc from "
+ FlowControllerConstants.DB_PROCESS_FLOW_REFERENCE + " where action = ? "
+ "and action_level = ? and protocol = ?";
ArrayList<String> arguments = new ArrayList<>();
arguments.add(transaction.getAction());
arguments.add(transaction.getActionLevel());
arguments.add(protocolType);
log.debug(fn + QUERY_STR + key);
status = dblib.query(key, context, arguments);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException(GET_FLOW_REF_DATA_ERROR);
}
transaction.setExecutionModule(context.getAttribute(FlowControllerConstants.EXECUTTION_MODULE));
transaction.setExecutionRPC(context.getAttribute(FlowControllerConstants.EXECUTION_RPC));
transaction.setExecutionType(context.getAttribute(FlowControllerConstants.EXECUTION_TYPE));
}
private String getProtocolType(Transaction transaction, String vnfType, String fn, SvcLogicContext context)
throws SvcLogicException {
QueryStatus status;
String protocolQuery;
int protocolCount;
protocolQuery = "select count(protocol) from " + FlowControllerConstants.DB_PROTOCOL_REFERENCE
+ " where action = ? and action_level = ?";
ArrayList<String> arguments = new ArrayList<>();
arguments.add(transaction.getAction());
arguments.add(transaction.getActionLevel());
log.debug(fn + QUERY_STR + protocolQuery);
status = dblib.query(protocolQuery, context, arguments);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException(GET_FLOW_REF_DATA_ERROR);
}
String countProtocolParam = context.getAttribute(COUNT_PROTOCOL_PARAM);
log.debug(" Protocol Count " + countProtocolParam);
protocolCount = Integer.parseInt(countProtocolParam);
if (protocolCount == 1) {
protocolQuery = "select protocol from " + FlowControllerConstants.DB_PROTOCOL_REFERENCE
+ " where action = ? and action_level = ?";
ArrayList<String> arguments2 = new ArrayList<>();
arguments2.add(transaction.getAction());
arguments2.add(transaction.getActionLevel());
log.debug(fn + QUERY_STR + protocolQuery);
status = dblib.query(protocolQuery, context, arguments2);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException(GET_FLOW_REF_DATA_ERROR);
}
return context.getAttribute("protocol");
} else {
if (hasSingleProtocol(transaction, vnfType, fn, context)) {
return context.getAttribute("protocol");
}
}
return null;
}
private boolean hasSingleProtocol(Transaction transaction, String vnfType, String fn, SvcLogicContext context)
throws SvcLogicException {
String protocolQuery;
QueryStatus status;
int protocolCount;
protocolQuery = "select count(protocol) from " + FlowControllerConstants.DB_PROTOCOL_REFERENCE
+ " where action = ? and action_level = ? and vnf_type = ?";
ArrayList<String> arguments = new ArrayList<>();
arguments.add(transaction.getAction());
arguments.add(transaction.getActionLevel());
arguments.add(vnfType);
log.debug(fn + QUERY_STR + protocolQuery);
status = dblib.query(protocolQuery, context, arguments);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException(GET_FLOW_REF_DATA_ERROR);
}
log.debug(" Protocol Count " + context.getAttribute(COUNT_PROTOCOL_PARAM));
protocolCount = Integer.parseInt(context.getAttribute(COUNT_PROTOCOL_PARAM));
if (protocolCount > 1) {
throw new SvcLogicException("Got more than 2 values..");
} else if (protocolCount == 1) {
protocolQuery = "select protocol from " + FlowControllerConstants.DB_PROTOCOL_REFERENCE
+ " where action = ? and action_level = ? and vnf_type = ?";
ArrayList<String> arguments2 = new ArrayList<>();
arguments2.add(transaction.getAction());
arguments2.add(transaction.getActionLevel());
arguments2.add(vnfType);
log.debug(fn + QUERY_STR + protocolQuery);
status = dblib.query(protocolQuery, context, arguments2);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException(GET_FLOW_REF_DATA_ERROR);
}
return true;
}
return false;
}
public String getDependencyInfo(SvcLogicContext localContext) throws SvcLogicException {
String fn = "DBService.getDependencyInfo ";
QueryStatus status;
if (dblib != null && localContext != null) {
String queryString =
"select max(internal_version) as maxInternalVersion, artifact_name as artifactName from "
+ FlowControllerConstants.DB_SDC_ARTIFACTS + " where artifact_name in (select artifact_name from "
+ FlowControllerConstants.DB_SDC_REFERENCE + " where vnf_type= $"
+ FlowControllerConstants.VNF_TYPE
+ " and file_category = '" + FlowControllerConstants.DEPENDENCYMODEL + "' )";
log.debug(fn + QUERY_STR + queryString);
status = dblib.query(queryString, localContext);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException("Error - while getting dependencydata ");
}
String queryString1 = "select artifact_content from " + FlowControllerConstants.DB_SDC_ARTIFACTS
+ " where artifact_name = $artifactName and internal_version = $maxInternalVersion ";
log.debug(fn + QUERY_STR + queryString1);
status = dblib.query(queryString1, localContext);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException("Error - while getting dependencyData ");
}
}
return localContext != null ? localContext.getAttribute(ARTIFACT_CONTENT_PARAM) : null;
}
public String getCapabilitiesData(SvcLogicContext localContext) throws SvcLogicException {
String fn = "DBService.getCapabilitiesData ";
QueryStatus status;
if (dblib != null && localContext != null) {
String queryString =
"select max(internal_version) as maxInternalVersion, artifact_name as artifactName from "
+ FlowControllerConstants.DB_SDC_ARTIFACTS + " where artifact_name in (select artifact_name from "
+ FlowControllerConstants.DB_SDC_REFERENCE + " where vnf_type= $"
+ FlowControllerConstants.VNF_TYPE
+ " and file_category = '" + FlowControllerConstants.CAPABILITY + "' )";
log.info(fn + QUERY_STR + queryString);
status = dblib.query(queryString, localContext);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException("Error - while getting capabilitiesData ");
}
String queryString1 = "select artifact_content from " + FlowControllerConstants.DB_SDC_ARTIFACTS
+ " where artifact_name = $artifactName and internal_version = $maxInternalVersion ";
log.debug(fn + QUERY_STR + queryString1);
status = dblib.query(queryString1, localContext);
if (status.toString().equals(FAILURE_PARAM)) {
throw new SvcLogicException("Error - while getting capabilitiesData ");
}
}
return localContext != null ? localContext.getAttribute(ARTIFACT_CONTENT_PARAM) : null;
}
protected SvcLogicContext getSvcLogicContext() {
return new SvcLogicContext();
}
}
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