Author: [log in to unmask]
Date: Wed Sep 2 23:41:16 2015
New Revision: 3502
Log:
Use maps for quicker access to enum constants by name and type value. The maps are filled using a static block.
Modified:
java/trunk/tracking/src/main/java/org/hps/recon/tracking/StrategyType.java
Modified: java/trunk/tracking/src/main/java/org/hps/recon/tracking/StrategyType.java
=============================================================================
--- java/trunk/tracking/src/main/java/org/hps/recon/tracking/StrategyType.java (original)
+++ java/trunk/tracking/src/main/java/org/hps/recon/tracking/StrategyType.java Wed Sep 2 23:41:16 2015
@@ -1,4 +1,7 @@
package org.hps.recon.tracking;
+
+import java.util.HashMap;
+import java.util.Map;
/**
* Enum constants for different {@link Track}s based on what tracking
@@ -35,7 +38,21 @@
S123_C5_E46(5);
private int type;
+
+ /** Map from an enum constant value to an enum constant */
+ private static Map<Integer, StrategyType> typeValueMap = new HashMap<Integer, StrategyType>();
+
+ /** Map from an enum constant name to an enum constant */
+ private static Map<String, StrategyType> typeNameMap = new HashMap<String, StrategyType>();
+ /** Static block used to fill all maps */
+ static {
+ for (StrategyType strategyType : StrategyType.values()) {
+ typeValueMap.put(strategyType.getType(), strategyType);
+ typeNameMap.put(strategyType.name(), strategyType);
+ }
+ }
+
/** Constructor */
StrategyType(int type) {
this.type = type;
@@ -59,10 +76,21 @@
* null if it doesn't exist.
*/
public static StrategyType getType(String name) {
- for (StrategyType strategyType : values()) {
- if (strategyType.name().equals(name)) return strategyType;
- }
- return null;
+ return typeNameMap.get(name);
+ }
+
+ /**
+ * Returns the {@link StrategyType} with the specified type value. If a
+ * {@link StrategyType} with that type value doesn't exist, it returns
+ * null.
+ *
+ * @param typeValue The type value of the StrategyType enum constant to
+ * return
+ * @return The {@link StrategyType} enum constant with the given type
+ * value or null if it doesn't exist.
+ */
+ public static StrategyType getType(int typeValue) {
+ return typeValueMap.get(typeValue);
}
/**
