JAVA-1220: Avoid turning the active query into a string unless it's needed.

Author: jyemin

src/main/com/mongodb/DBPort.java

@@ -424,7 +424,7 @@ class ActiveState {
         ActiveState(final OutMessage outMessage) {
             namespace = outMessage.getNamespace();
             opCode = outMessage.getOpCode();
-            query = outMessage.getQuery() != null ? outMessage.getQuery().toString() : null;
+            query = outMessage.getQuery();
             numDocuments = outMessage.getNumDocuments();
             this.startTime = System.nanoTime();
             this.threadName = Thread.currentThread().getName();
@@ -438,7 +438,7 @@ OutMessage.OpCode getOpCode() {
             return opCode;
         }
 
-        String getQuery() {
+        DBObject getQuery() {
             return query;
         }
 
@@ -456,7 +456,7 @@ String getThreadName() {
 
         private final String namespace;
         private final OutMessage.OpCode opCode;
-        private final String query;
+        private final DBObject query;
         private int numDocuments;
         private final long startTime;
         private final String threadName;

src/main/com/mongodb/InUseConnectionBean.java

@@ -41,7 +41,7 @@ public class InUseConnectionBean {
             durationMS = TimeUnit.NANOSECONDS.toMillis(currentNanoTime - activeState.getStartTime());
             namespace = activeState.getNamespace();
             opCode = activeState.getOpCode();
-            query = activeState.getQuery();
+            query = activeState.getQuery().toString();
             threadName = activeState.getThreadName();
             numDocuments = activeState.getNumDocuments();
         }