Examples with TxRunnable co.cask.cdap.api.TxRunnable used on opensource projects

Example 16 with TxRunnable

use of co.cask.cdap.api.TxRunnable in project cdap by caskdata.

the class DefaultStore method removeAllApplications.

@Override
public void removeAllApplications(final NamespaceId id) {
    LOG.trace("Removing all applications of namespace with id: {}", id.getNamespace());
    Transactions.executeUnchecked(transactional, new TxRunnable() {

        @Override
        public void run(DatasetContext context) throws Exception {
            AppMetadataStore metaStore = getAppMetadataStore(context);
            metaStore.deleteApplications(id.getNamespace());
            metaStore.deleteProgramHistory(id.getNamespace());
        }
    });
}

Example 17 with TxRunnable

use of co.cask.cdap.api.TxRunnable in project cdap by caskdata.

the class DefaultStore method removeAll.

@Override
public void removeAll(final NamespaceId id) {
    LOG.trace("Removing all applications of namespace with id: {}", id.getNamespace());
    Transactions.executeUnchecked(transactional, new TxRunnable() {

        @Override
        public void run(DatasetContext context) throws Exception {
            AppMetadataStore metaStore = getAppMetadataStore(context);
            metaStore.deleteApplications(id.getNamespace());
            metaStore.deleteAllStreams(id.getNamespace());
            metaStore.deleteProgramHistory(id.getNamespace());
        }
    });
}

Example 18 with TxRunnable

use of co.cask.cdap.api.TxRunnable in project cdap by caskdata.

the class DefaultStore method setServiceInstances.

@Override
public void setServiceInstances(final ProgramId id, final int instances) {
    Preconditions.checkArgument(instances > 0, "Cannot change number of service instances to %s", instances);
    Transactions.executeUnchecked(transactional, new TxRunnable() {

        @Override
        public void run(DatasetContext context) throws Exception {
            AppMetadataStore metaStore = getAppMetadataStore(context);
            ApplicationSpecification appSpec = getAppSpecOrFail(metaStore, id);
            ServiceSpecification serviceSpec = getServiceSpecOrFail(id, appSpec);
            // Create a new spec copy from the old one, except with updated instances number
            serviceSpec = new ServiceSpecification(serviceSpec.getClassName(), serviceSpec.getName(), serviceSpec.getDescription(), serviceSpec.getHandlers(), serviceSpec.getResources(), instances);
            ApplicationSpecification newAppSpec = replaceServiceSpec(appSpec, id.getProgram(), serviceSpec);
            metaStore.updateAppSpec(id.getNamespace(), id.getApplication(), id.getVersion(), newAppSpec);
        }
    });
    LOG.trace("Setting program instances: namespace: {}, application: {}, service: {}, new instances count: {}", id.getNamespaceId(), id.getApplication(), id.getProgram(), instances);
}

Example 19 with TxRunnable

use of co.cask.cdap.api.TxRunnable in project cdap by caskdata.

the class DefaultStore method removeApplication.

@Override
public void removeApplication(final ApplicationId id) {
    LOG.trace("Removing application: namespace: {}, application: {}", id.getNamespace(), id.getApplication());
    Transactions.executeUnchecked(transactional, new TxRunnable() {

        @Override
        public void run(DatasetContext context) throws Exception {
            AppMetadataStore metaStore = getAppMetadataStore(context);
            metaStore.deleteApplication(id.getNamespace(), id.getApplication(), id.getVersion());
            metaStore.deleteProgramHistory(id.getNamespace(), id.getApplication(), id.getVersion());
        }
    });
}

Example 20 with TxRunnable

use of co.cask.cdap.api.TxRunnable in project cdap by caskdata.

the class DefaultStore method setWorkerInstances.

@Override
public void setWorkerInstances(final ProgramId id, final int instances) {
    Preconditions.checkArgument(instances > 0, "Cannot change number of worker instances to %s", instances);
    Transactions.executeUnchecked(transactional, new TxRunnable() {

        @Override
        public void run(DatasetContext context) throws Exception {
            AppMetadataStore metaStore = getAppMetadataStore(context);
            ApplicationSpecification appSpec = getAppSpecOrFail(metaStore, id);
            WorkerSpecification workerSpec = getWorkerSpecOrFail(id, appSpec);
            WorkerSpecification newSpecification = new WorkerSpecification(workerSpec.getClassName(), workerSpec.getName(), workerSpec.getDescription(), workerSpec.getProperties(), workerSpec.getDatasets(), workerSpec.getResources(), instances);
            ApplicationSpecification newAppSpec = replaceWorkerInAppSpec(appSpec, id, newSpecification);
            metaStore.updateAppSpec(id.getNamespace(), id.getApplication(), id.getVersion(), newAppSpec);
        }
    });
    LOG.trace("Setting program instances: namespace: {}, application: {}, worker: {}, new instances count: {}", id.getNamespaceId(), id.getApplication(), id.getProgram(), instances);
}