X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=QueryQueue.java;fp=QueryQueue.java;h=915bb4b9473919851339c713bd85f864015d083d;hb=f689f0945aa34d327a901de8906d5b1d9a8cb8e9;hp=0000000000000000000000000000000000000000;hpb=9e81fc5b71ea6b09d15ad3298e90e8048faa2ac2;p=IRC.git

diff --git a/QueryQueue.java b/QueryQueue.java
new file mode 100644
index 00000000..915bb4b9
--- /dev/null
+++ b/QueryQueue.java
@@ -0,0 +1,34 @@
+public class QueryQueue {
+	HashSet queries;
+	int size;
+
+	public QueryQueue() {
+		queries = new HashSet();
+		size = 0;
+	}
+
+	public LocalQuery pop() {
+		if (queries.isEmpty())
+			return null;
+		LocalQuery q = (LocalQuery) queries.iterator().next();
+		queries.remove(q);
+		size--;
+		return q;
+	}
+
+	public void push(LocalQuery x) {
+		queries.add(x);
+		size++;
+	}
+	
+	public int size() {
+		return size;
+	}
+
+	public boolean isEmpty() {
+		if (size == 0)
+			return true;
+		else 
+			return false;
+	}
+}