From d3173308a9a97f86974deb0d34a258c45b4a2a6e Mon Sep 17 00:00:00 2001
From: Peter Bernard West <pbwest@apache.org>
Date: Fri, 16 Apr 2004 05:18:52 +0000
Subject: [PATCH] Added getNextPageId and getLogger methods

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197514 13f79535-47bb-0310-9956-ffa450edef68
---
 src/java/org/apache/fop/fo/FOTree.java | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/java/org/apache/fop/fo/FOTree.java b/src/java/org/apache/fop/fo/FOTree.java
index 2239ec6be..c58ea5a2f 100644
--- a/src/java/org/apache/fop/fo/FOTree.java
+++ b/src/java/org/apache/fop/fo/FOTree.java
@@ -43,6 +43,17 @@ public class FOTree extends Tree implements Runnable {
     private static final String tag = "$Name$";
     private static final String revision = "$Revision$";
 
+    /** Provides a monotonically increasing pageId */
+    private long nextPageId = 0;
+    /** Locking object for synchronizing <code>getNextPageId</code> method.
+     * The value is irrelevant. */
+    private Boolean lock = new Boolean(true);
+    public long getNextPageId() {
+        synchronized (lock) {
+            return ++nextPageId;
+        }
+    }
+
     /**
      * The buffer from which the <tt>XmlEvent</tt>s from the parser will
      * be read.  <tt>protected</tt> so that FONode can access it.
@@ -167,4 +178,12 @@ public class FOTree extends Tree implements Runnable {
         System.out.println("# of FONodes: " + nodecount);
     }
 
+    /**
+     * Gets the <code>FOTree</code> logger
+     * @return the logger
+     */
+    public Logger getLogger() {
+        return log;
+    }
+
 }// FOTree
-- 
2.39.5