Author: jukka
Date: Thu Nov 7 21:02:10 2013
New Revision: 1539816
URL: http://svn.apache.org/r1539816
Log:
OAK-1152: SegmentMK: Improved debuggability
Add Segment.toString()
Modified:
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/Segment.java
Modified:
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/Segment.java
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/Segment.java?rev=1539816&r1=1539815&r2=1539816&view=diff
==============================================================================
---
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/Segment.java
(original)
+++
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/Segment.java
Thu Nov 7 21:02:10 2013
@@ -22,6 +22,8 @@ import static com.google.common.base.Pre
import static com.google.common.base.Preconditions.checkState;
import static
org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.BLOCK_SIZE;
+import java.io.PrintWriter;
+import java.io.StringWriter;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.UUID;
@@ -371,4 +373,67 @@ public class Segment {
}
}
+ //------------------------------------------------------------< Object >--
+
+ @Override
+ public String toString() {
+ StringWriter string = new StringWriter();
+ PrintWriter writer = new PrintWriter(string);
+
+ int pos = refposition;
+ int refcount = data.get(data.position()) & 0xff;
+ int rootcount = data.getShort(data.position() + 1) &0xffff;
+ int length =
+ data.capacity() - (align(3 + rootcount * 3) + refcount * 16);
+
+ writer.format(
+ "Segment %s (%d bytes, %d ref%s, %d root%s)%n",
+ uuid, length,
+ refcount, (refcount != 1 ? "s" : ""),
+ rootcount, (rootcount != 1 ? "s" : ""));
+
writer.println("--------------------------------------------------------------------------");
+ if (refcount > 0) {
+ for (int i = 0; i < refcount; i++) {
+ UUID id = new UUID(data.getLong(pos), data.getLong(pos + 8));
+ writer.format("reference %02x: %s%n", i, id);
+ pos += 16;
+ }
+
writer.println("--------------------------------------------------------------------------");
+ }
+ pos = data.limit() - ((length + 15) & ~15);
+ while (pos < data.limit()) {
+ writer.format("%04x: ", (MAX_SEGMENT_SIZE - data.limit() + pos) >>
RECORD_ALIGN_BITS);
+ for (int i = 0; i < 16; i++) {
+ if (i > 0 && i % 4 == 0) {
+ writer.append(' ');
+ }
+ if (pos + i >= data.position()) {
+ byte b = data.get(pos + i);
+ writer.format("%02x ", b & 0xff);
+ } else {
+ writer.append(" ");
+ }
+ }
+ writer.append(' ');
+ for (int i = 0; i < 16; i++) {
+ if (pos + i >= data.position()) {
+ byte b = data.get(pos + i);
+ if (b >= ' ' && b < 127) {
+ writer.append((char) b);
+ } else {
+ writer.append('.');
+ }
+ } else {
+ writer.append(' ');
+ }
+ }
+ writer.println();
+ pos += 16;
+ }
+
writer.println("--------------------------------------------------------------------------");
+
+ writer.close();
+ return string.toString();
+ }
+
}
