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Context.java
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Context.java
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package org.genericsystem.reactor;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import org.genericsystem.api.core.exceptions.RollbackException;
import org.genericsystem.common.Generic;
import org.genericsystem.defaults.tools.TransformationObservableList;
import org.genericsystem.reactor.context.RootContext;
import io.vertx.core.logging.Logger;
import io.vertx.core.logging.LoggerFactory;
import javafx.beans.property.Property;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.value.ObservableIntegerValue;
import javafx.beans.value.ObservableLongValue;
import javafx.beans.value.ObservableValue;
import javafx.collections.ObservableList;
/**
* @author Nicolas Feybesse
*
*/
public class Context {
protected static Logger log = LoggerFactory.getLogger(Context.class);
private Context parent;
private Map<Tag, HtmlDomNode> htmlDomNodesMap = new LinkedHashMap<>();
private Map<Tag, ObservableList<Context>> subContextsMap = new HashMap<>();
private Map<Tag, Map<String, ObservableValue<?>>> propertiesMap = new HashMap<>();
private final Generic[] generics;
private boolean destroyed = false;
public Context(Context parent, Generic[] generics) {
this.parent = parent;
this.generics = generics;
}
public Map<Tag, HtmlDomNode> getHtmlDomNodesMap() {
return htmlDomNodesMap;
}
public Context getParent() {
return parent;
}
public ObservableList<Context> getSubContexts(Tag tag) {
return subContextsMap.get(tag);
}
public boolean containsProperty(Tag tag, String propertyName) {
return propertiesMap.containsKey(tag) ? propertiesMap.get(tag).containsKey(propertyName) : false;
}
public void createNewProperty(Tag tag, String propertyName) {
assert htmlDomNodesMap.keySet().contains(tag);
if (getProperties(tag).containsKey(propertyName))
throw new IllegalStateException("Unable to create an already used property : " + propertyName);
getProperties(tag).put(propertyName, new SimpleObjectProperty<>());
}
private Map<String, ObservableValue<?>> getProperties(Tag tag) {
Map<String, ObservableValue<?>> properties = propertiesMap.get(tag);
if (properties == null) {
assert htmlDomNodesMap.keySet().contains(tag);
propertiesMap.put(tag, properties = new HashMap<String, ObservableValue<?>>());
}
return properties;
}
@SuppressWarnings("unchecked")
<T> ObservableValue<T> getObservableValue(Tag tag, String propertyName) {
return (ObservableValue<T>) getProperties(tag).get(propertyName);
}
@SuppressWarnings("unchecked")
<T> Property<T> getProperty(Tag tag, String propertyName) {
return (Property<T>) getProperties(tag).get(propertyName);
}
public Collection<Map<String, ObservableValue<?>>> getPropertiesMaps() {
return propertiesMap.values();
}
public Map<String, ObservableValue<?>> getPropertiesMaps(Tag tag) {
return propertiesMap.get(tag);
}
protected void storeProperty(Tag tag, String propertyName, ObservableValue<?> value) {
assert htmlDomNodesMap.keySet().contains(tag);
if (getProperties(tag).containsKey(propertyName))
throw new IllegalStateException("Unable to store an already used property : " + propertyName);
getProperties(tag).put(propertyName, value);
}
public void removeSubContexts(Tag tag) {
subContextsMap.remove(tag);
}
public void removeProperties(Tag tag) {
propertiesMap.remove(tag);
}
public void removeHtmlDomNode(Tag tag) {
htmlDomNodesMap.remove(tag);
}
void setSubContexts(Tag tag, ObservableList<Context> subContexts) {
assert subContextsMap.get(tag) == null;
subContextsMap.put(tag, subContexts);
}
public void register(HtmlDomNode htmlDomNode) {
HtmlDomNode previous = htmlDomNodesMap.put(htmlDomNode.getTag(), htmlDomNode);
assert previous == null;
}
public void destroy() {
// System.out.println("context destroy : " + this);
assert !destroyed;
destroyed = true;
for (ObservableList<Context> subModels : subContextsMap.values()) {
((TransformationObservableList<?, ?>) subModels).unbind();
for (Context subModel : subModels)
subModel.destroy();
}
htmlDomNodesMap.values().forEach(htmlDomNode -> htmlDomNode.destroy());
if (htmlDomNodesMap.values().iterator().hasNext())
htmlDomNodesMap.values().iterator().next().sendRemove();
subContextsMap = new HashMap<>();
htmlDomNodesMap = new LinkedHashMap<>();
propertiesMap = new HashMap<>();
}
public HtmlDomNode getHtmlDomNode(Tag element) {
return htmlDomNodesMap.get(element);
}
public Generic[] getGenerics() {
return generics;
}
public static Generic[] addToGenerics(Generic generic, Generic[] generics) {
if (generics.length != 0 && generics[0].equals(generic))
return generics;
Generic[] result = new Generic[generics.length + 1];
result[0] = generic;
System.arraycopy(generics, 0, result, 1, generics.length);
return result;
}
public Generic getGeneric() {
return generics[0];
}
public void remove() {
getGeneric().remove();
}
public Generic find(Class<?> clazz) {
return getGeneric().getRoot().find(clazz);
}
public void flush() {
getGeneric().getCurrentCache().flush();
traverse();
}
public void cancel() {
getGeneric().getCurrentCache().clear();
}
public ObservableIntegerValue getCacheLevelObservableValue() {
return getGeneric().getCurrentCache().getCacheLevelObservableValue();
}
public ObservableLongValue getTsObservableValue() {
return getGeneric().getCurrentCache().getTsObservableValue();
}
public void mount() {
getGeneric().getCurrentCache().mount();
}
public void unmount() {
getGeneric().getCurrentCache().unmount();
traverse();
}
public boolean isInCache() {
// System.out.println(getGeneric().info() + getGeneric().getCurrentCache().contains(getGeneric()));
return getGeneric().getCurrentCache().contains(getGeneric());
}
public long shiftTs() throws RollbackException {
return getGeneric().getCurrentCache().shiftTs();
}
public void traverse() {
if (isInCache())
htmlDomNodesMap.keySet().stream().forEach(tag -> tag.addStyleClass(this, "opaque"));
else
htmlDomNodesMap.keySet().stream().forEach(tag -> tag.removeStyleClass(this, "opaque"));
subContextsMap.values().stream().flatMap(c -> c.stream()).forEach(Context::traverse);
}
public boolean isDestroyed() {
return destroyed;
}
public RootContext getRootContext() {
return getParent().getRootContext();
}
}