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ClientEngine.java
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ClientEngine.java
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package org.genericsystem.remote;
import java.io.Serializable;
import java.util.Collections;
import java.util.List;
import org.genericsystem.api.core.ApiStatics;
import org.genericsystem.common.AbstractCache;
import org.genericsystem.common.AbstractCache.ContextEventListener;
import org.genericsystem.common.Root;
import org.genericsystem.common.Generic;
import org.genericsystem.common.Statics;
import org.genericsystem.common.SystemCache;
import org.genericsystem.common.Vertex;
/**
* @author Nicolas Feybesse
*
*/
public class ClientEngine extends Root implements Generic {
protected final FrontEnd server;
public ClientEngine(Class<?>... userClasses) {
this(Statics.DEFAULT_HOST, Statics.ENGINES_DEFAULT_PORT, userClasses);
}
public ClientEngine(String path, Class<?>... userClasses) {
this(Statics.DEFAULT_HOST, Statics.ENGINES_DEFAULT_PORT, path, userClasses);
}
public ClientEngine(String host, int port, Class<?>... userClasses) {
this(host, port, "/", userClasses);
}
public ClientEngine(String host, int port, String path, Class<?>... userClasses) {
assert path != null;
init(this, buildHandler(getClass(), this, Collections.emptyList(), Statics.ENGINE_VALUE, Collections.emptyList(), ApiStatics.TS_SYSTEM,
ApiStatics.TS_SYSTEM));
server = new FrontEnd(host, port, path);
startSystemCache(userClasses);
isInitialized = true;
}
@Override
public ClientEngine getRoot() {
return this;
}
@Override
protected SystemCache buildSystemCache(Root root) {
return new SystemCache(root) {
@Override
protected Generic getOrBuild(AbstractCache cache, Class<?> clazz, Generic meta, List<Generic> overrides, Serializable value,
List<Generic> components) {
// TODO Auto-generated method stub
Generic systemProperty = cache.get(meta, overrides, value, components);
if (systemProperty == null)
throw new IllegalStateException("Unable to find class on server : " + clazz.getName());
return systemProperty;
}
};
}
@Override
public ClientCache newCache() {
return new ClientCache(this);
}
public ClientCache newCache(ContextEventListener<Generic> listener) {
return new ClientCache(this, listener);
}
@Override
public ClientCache getCurrentCache() {
return (ClientCache) super.getCurrentCache();
}
Generic getGenericByVertex(Vertex vertex) {
Generic generic = super.getGenericById(vertex.getTs());
if (generic == null) {
generic = build(vertex);
}
return generic;
}
@Override
public Generic getGenericById(long ts) {
Generic generic = super.getGenericById(ts);
if (generic == null) {
Vertex vertex = server.getVertex(ts);
generic = build(vertex);
}
return generic;
}
@Override
protected void finalize() throws Throwable {
server.close();
super.finalize();
}
@Override
public void close() {
server.close();
super.close();
}
@Override
protected Class<Generic> getTClass() {
return Generic.class;
}
public FrontEnd getServer() {
return server;
}
@Override
protected Generic build(Long ts, Class<?> clazz, Generic meta, List<Generic> supers, Serializable value, List<Generic> components, long birthTs) {
return init(newT(adaptClass(clazz, meta)), buildHandler(clazz, meta, supers, value, components, ts == null ? pickNewTs() : ts, birthTs));
}
ClientEngineHandler buildHandler(Class<?> clazz, Generic meta, List<Generic> supers, Serializable value, List<Generic> components, long ts, long birthTs) {
return new ClientEngineHandler(clazz, meta, supers, value, components, ts, birthTs);
}
class ClientEngineHandler extends DefaultHandler {
long birthTs;
public ClientEngineHandler(Class<?> clazz, Generic meta, List<Generic> supers, Serializable value, List<Generic> components, long ts, long birthTs) {
super(clazz, meta, supers, value, components, ts);
this.birthTs = birthTs;
}
@Override
protected ClientEngine getRoot() {
return ClientEngine.this;
}
@Override
public long getBirthTs() {
return birthTs;
}
}
@Override
public long pickNewTs() {
return server.pickNewTs();
}
}