
org.jbpm.compiler.xml.ProcessBuildData Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.jbpm.compiler.xml;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.ServiceLoader;
import org.jbpm.workflow.core.Node;
import org.kie.api.definition.process.Process;
import org.kie.api.definition.process.WorkflowElementIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ProcessBuildData {
private static final Logger logger = LoggerFactory.getLogger(ProcessBuildData.class);
private static List providers = collectProviders();
private List processes = new ArrayList<>();
private Map nodes = new HashMap<>();
private Map metaData = new HashMap<>();
private List listeners = new ArrayList<>();
public ProcessBuildData() {
if (providers != null) {
for (ProcessDataEventListenerProvider provider : providers) {
listeners.add(provider.newInstance());
}
}
}
public List getProcesses() {
for (Process process : processes) {
onComplete(process);
}
return processes;
}
public void addProcess(Process process) {
onProcess(process);
this.processes.add(process);
}
public void setProcesses(List process) {
this.processes = process;
}
public Map getNodes() {
return nodes;
}
public boolean addNode(Node node) {
onNode(node);
return (this.nodes.put(node.getId(), node) != null);
}
public Node getNode(Long id) {
return this.nodes.get(id);
}
public Object getMetaData(String name) {
return metaData.get(name);
}
public void setMetaData(String name, Object data) {
onMetaData(name, data);
this.metaData.put(name, data);
}
// listener support
protected void onNode(Node node) {
for (ProcessDataEventListener listener : listeners) {
listener.onNodeAdded(node);
}
}
protected void onProcess(Process process) {
for (ProcessDataEventListener listener : listeners) {
listener.onProcessAdded(process);
}
}
protected void onMetaData(String name, Object data) {
for (ProcessDataEventListener listener : listeners) {
listener.onMetaDataAdded(name, data);
}
}
protected void onComplete(Process process) {
for (ProcessDataEventListener listener : listeners) {
listener.onComplete(process);
}
}
public void onBuildComplete(Process process) {
for (ProcessDataEventListener listener : listeners) {
listener.onBuildComplete(process);
}
}
private static List collectProviders() {
ServiceLoader availableProviders = ServiceLoader.load(ProcessDataEventListenerProvider.class);
List collected = new ArrayList<>();
try {
for (ProcessDataEventListenerProvider provider : availableProviders) {
collected.add(provider);
}
} catch (Exception e) {
logger.debug("Unable to collect process data event listeners due to {}", e.getMessage());
}
return collected;
}
}
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