ChangeDependencyVersionProcessor.java

package org.alien4cloud.tosca.editor.processors;

import java.util.List;
import java.util.Set;

import javax.inject.Inject;

import org.alien4cloud.tosca.editor.EditionContextManager;
import org.alien4cloud.tosca.editor.operations.AbstractEditorOperation;
import org.alien4cloud.tosca.editor.operations.ChangeDependencyVersionOperation;
import org.alien4cloud.tosca.editor.services.EditorTopologyRecoveryHelperService;
import org.alien4cloud.tosca.model.CSARDependency;
import org.alien4cloud.tosca.model.templates.Topology;
import org.springframework.stereotype.Component;

import com.google.common.collect.Sets;

import alien4cloud.topology.TopologyService;

/**
 * Process {@link ChangeDependencyVersionOperation}.
 * It will recover the topology after a dependency have change.
 * This can lead to node / relationship deletion or rebuild.
 */
@Component
public class ChangeDependencyVersionProcessor implements IEditorOperationProcessor<ChangeDependencyVersionOperation> {

    @Inject
    private EditorTopologyRecoveryHelperService recoveryHelperService;
    @Inject
    private TopologyService topologyService;

    @Override
    public void process(ChangeDependencyVersionOperation operation) {
        Topology topology = EditionContextManager.getTopology();
        CSARDependency newDependency = new CSARDependency(operation.getDependencyName(), operation.getDependencyVersion());

        // Check for missing type and update the topology's dependencies
        topologyService.updateDependencies(EditionContextManager.get(), newDependency);

        Set<CSARDependency> dependencies = Sets.newHashSet(newDependency);
        List<AbstractEditorOperation> recoveringOperations = recoveryHelperService.buildRecoveryOperations(topology, dependencies);

        // process every recovery operation
        recoveryHelperService.processRecoveryOperations(topology, recoveringOperations);
    }

}