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/*-
* ============LICENSE_START=======================================================
* ONAP - CCSDK
* ================================================================================
* Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
* ================================================================================
* 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.ccsdk.sli.plugins.restconfdiscovery;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.onap.ccsdk.sli.core.sli.SvcLogicGraph;
import org.onap.ccsdk.sli.core.sli.SvcLogicStore;
import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.ServiceReference;
/**
* Holder to store callback directed graph info.
*/
class SvcLogicGraphInfo {
private String module;
private String rpc;
private String mode;
private String version;
/**
* Creates an instance of SvcLogicGraphInfo.
*
* @param module module name of callback DG
* @param rpc rpc name of callback DG
* @param mode mode of callback DG
* @param version version of callback DG
*/
public SvcLogicGraphInfo(String module, String rpc, String mode, String version) {
this.module = module;
this.rpc = rpc;
this.mode = mode;
this.version = version;
}
public SvcLogicGraphInfo() {}
/**
* Returns module name of callback DG.
*
* @return module name of callback DG
*/
public String module() {
return module;
}
/**
* Sets module of callback DG.
*
* @param module module name of the DG
*/
public void module(String module) {
this.module = module;
}
/**
* Returns rpc of callback DG.
*
* @return rpc of callback DG
*/
public String rpc() {
return rpc;
}
/**
* Sets rpc of callback DG.
*
* @param rpc rpc attribute of the DG
*/
public void rpc(String rpc) {
this.rpc = rpc;
}
/**
* Returns mode of callback DG.
*
* @return mode of callback DG
*/
public String mode() {
return mode;
}
/**
* Sets mode of DG.
*
* @param mode mode of the DG
*/
public void mode(String mode) {
this.mode = mode;
}
/**
* Returns version of callback DG.
*
* @return version of callback DG
*/
public String version() {
return version;
}
/**
* Sets version of DG.
*
* @param version version of the DG
*/
public void version(String version) {
this.version = version;
}
/**
* Executes call back DG.
*
* @param ctx service logic context
* @throws SvcLogicException service logic error
*/
public void executeGraph(SvcLogicContext ctx) throws SvcLogicException {
SvcLogicService service = findSvcLogicService();
if (service == null) {
throw new SvcLogicException("\"Could not get SvcLogicService reference\"");
}
SvcLogicStore store = service.getStore();
if (store != null) {
SvcLogicGraph subGraph = store.fetch(module, rpc, mode, version);
if (subGraph != null) {
ctx.setAttribute("subGraph", subGraph.toString());
service.execute(subGraph, ctx);
} else {
throw new SvcLogicException("Failed to call child [" + module +
"," + rpc + "," + version +
"," + mode + "] because" +
" the" + " graph could" +
" not be found");
}
} else {
throw new SvcLogicException("\"Could not get SvcLogicStore reference\"");
}
}
private static SvcLogicService findSvcLogicService() throws SvcLogicException {
Bundle bundle = FrameworkUtil.getBundle(SvcLogicService.class);
if (bundle == null) {
throw new SvcLogicException("Cannot find bundle reference for "
+ SvcLogicService.NAME);
}
BundleContext bctx = bundle.getBundleContext();
ServiceReference<SvcLogicService> sref = bctx.getServiceReference(
SvcLogicService.class);
if (sref != null) {
return bctx.getService(sref);
} else {
throw new SvcLogicException("Cannot find service reference for "
+ SvcLogicService.NAME);
}
}
}
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