speed up the abort of an evaluation. It's quite expensive to create an exception and fill its stack. As we don't care about the stack anyway, we don't fill it, also we cache a single exception instance

Author: jochenberger

json-path/src/main/java/com/jayway/jsonpath/internal/EvaluationAbortException.java

@@ -1,4 +1,13 @@
 package com.jayway.jsonpath.internal;
 
 public class EvaluationAbortException extends RuntimeException {
+
+  private static final long serialVersionUID = 4419305302960432348L;
+
+  // this is just a marker exception to abort evaluation, we don't care about
+  // the stack
+  @Override
+  public Throwable fillInStackTrace() {
+    return this;
+  }
 }

json-path/src/main/java/com/jayway/jsonpath/internal/path/EvaluationContextImpl.java

@@ -38,6 +38,8 @@
  */
 public class EvaluationContextImpl implements EvaluationContext {
 
+    private static final EvaluationAbortException ABORT_EVALUATION = new EvaluationAbortException();
+
     private final Configuration configuration;
     private final Object valueResult;
     private final Object pathResult;
@@ -84,7 +86,7 @@ public void addResult(String path, PathRef operation, Object model) {
             for (EvaluationListener listener : configuration().getEvaluationListeners()) {
                 EvaluationListener.EvaluationContinuation continuation = listener.resultFound(new FoundResultImpl(idx, path, model));
                 if(EvaluationListener.EvaluationContinuation.ABORT == continuation){
-                    throw new EvaluationAbortException();
+                    throw ABORT_EVALUATION;
                 }
             }
         }