X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.utils%2Fsrc%2Forg%2Fsimantics%2Futils%2FDevelopment.java;fp=bundles%2Forg.simantics.utils%2Fsrc%2Forg%2Fsimantics%2Futils%2FDevelopment.java;h=1532bd1f3fd274b33697a1fb14f4915816fef055;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.utils/src/org/simantics/utils/Development.java b/bundles/org.simantics.utils/src/org/simantics/utils/Development.java
new file mode 100644
index 000000000..1532bd1f3
--- /dev/null
+++ b/bundles/org.simantics.utils/src/org/simantics/utils/Development.java
@@ -0,0 +1,101 @@
+package org.simantics.utils;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.adapter.AdaptException;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.binding.mutable.Variant;
+
+public class Development {
+
+	public static TreeMap<String,Integer> histogram = new TreeMap<String,Integer>();
+
+	public static final boolean DEVELOPMENT = false;
+	
+	public static final String PRINT = "Development.print";
+
+	public interface DevelopmentListener {
+		
+		void handle(Object event);
+		
+	}
+	
+	final static private HashMap<String, Variant> properties = new HashMap<String, Variant>(); 
+	
+	final static private CopyOnWriteArrayList<DevelopmentListener> listeners = new CopyOnWriteArrayList<DevelopmentListener>();
+
+	static {
+		
+		if(DEVELOPMENT) {
+			listeners.add(new DevelopmentListener() {
+	
+				@Override
+				public void handle(Object event) {
+					if((Boolean) getProperty(PRINT, Bindings.BOOLEAN))
+						System.err.println(event.toString());
+				}
+	
+			});
+		}
+
+	}
+	
+	public static void addListener(DevelopmentListener listener) {
+		listeners.add(listener);
+	}
+	
+	public static void removeListener(DevelopmentListener listener) {
+		listeners.remove(listener);
+	}
+	
+	public static void dispatchEvent(Object event) {
+		for(DevelopmentListener listener : listeners) {
+			listener.handle(event);
+		}
+	}
+	
+	
+	public static void setProperty(String name, Object value, Binding binding) {
+		assert(name != null);
+		assert(binding != null);
+		try {
+			binding.assertInstaceIsValid(value);
+		} catch (BindingException e) {
+			throw new RuntimeException(e);
+		}
+		properties.put(name, new Variant(binding, value));
+	}
+
+	@SuppressWarnings("unchecked")
+	public static <T> T getProperty(String name, Binding binding) {
+		Variant value = properties.get(name);
+		if(value == null) return null;
+		try {
+			return (T)value.getValue(binding);
+		} catch (AdaptException e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
+	public static boolean isTrue(String name) {
+		Boolean value = getProperty(name, Bindings.BOOLEAN);
+		return value != null && value;
+	}
+	
+	public static Map<String, Variant> getProperties() {
+		return properties;
+	}
+	
+	public static void recordHistogram(Object o) {
+		String key = o.toString();
+		Integer i = Development.histogram.get(key);
+		if(i == null) i = 0;
+		Development.histogram.put(key, i+1);
+	}
+	
+}