49 lines
1.3 KiB
Java
49 lines
1.3 KiB
Java
package org.gcube.application.cms.implementations;
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import lombok.Synchronized;
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import org.gcube.application.cms.caches.Cache;
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import org.gcube.application.cms.caches.Engine;
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import org.gcube.application.geoportal.common.model.rest.ConfigurationException;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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public class ImplementationProvider {
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private static ImplementationProvider instance=null;
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@Synchronized
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public static ImplementationProvider get() {
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if(instance==null) {
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instance=new ImplementationProvider();
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}
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return instance;
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}
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public <T> T getEngineByManagedClass(Class<T> clazz) throws ConfigurationException {
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return (T) implementationsRegistry.get(clazz).getObject();
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}
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private ConcurrentHashMap<Class,Engine> implementationsRegistry=new ConcurrentHashMap<>();
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public <T> void setEngine(Engine<T> engine, Class<T> clazz){
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implementationsRegistry.put(clazz,engine);
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}
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private ImplementationProvider(){
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//Defaults
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setEngine(new DefaultISProvider(),ISInterface.class);
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}
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public Map<Class,String> getManagerList(){
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HashMap<Class,String> toReturn=new HashMap<>();
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implementationsRegistry.forEach(
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(aClass, engine) -> {toReturn.put(engine.getClass(),aClass.getCanonicalName());}
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);
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return toReturn;
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}
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}
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