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HADOOP-7013. Add boolean field isCorrupt to BlockLocation. Contributed by Patrick Kling.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1035923 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hairong Kuang 2010-11-17 05:29:00 +00:00
parent 468579d1af
commit fa08f4633e
2 changed files with 43 additions and 2 deletions
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3
CHANGES.txt
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@ -38,6 +38,9 @@ Trunk (unreleased changes)
HADOOP-6996. Allow CodecFactory to return a codec object given a codec'
class name. (hairong)
HADOOP-7013. Add boolean field isCorrupt to BlockLocation.
(Patrick Kling via hairong)
IMPROVEMENTS
HADOOP-6644. util.Shell getGROUPS_FOR_USER_COMMAND method name

40
src/java/org/apache/hadoop/fs/BlockLocation.java
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@ -50,6 +50,7 @@ public class BlockLocation implements Writable {
private String[] topologyPaths; // full path name in network topology
private long offset; //offset of the of the block in the file
private long length;
private boolean corrupt;
/**
* Default Constructor
@ -63,6 +64,14 @@ public BlockLocation() {
*/
public BlockLocation(String[] names, String[] hosts, long offset,
long length) {
this(names, hosts, offset, length, false);
}
/**
* Constructor with host, name, offset, length and corrupt flag
*/
public BlockLocation(String[] names, String[] hosts, long offset,
long length, boolean corrupt) {
if (names == null) {
this.names = new String[0];
} else {
@ -76,6 +85,7 @@ public BlockLocation(String[] names, String[] hosts, long offset,
this.offset = offset;
this.length = length;
this.topologyPaths = new String[0];
this.corrupt = corrupt;
}
/**
@ -83,7 +93,16 @@ public BlockLocation(String[] names, String[] hosts, long offset,
*/
public BlockLocation(String[] names, String[] hosts, String[] topologyPaths,
long offset, long length) {
this(names, hosts, offset, length);
this(names, hosts, topologyPaths, offset, length, false);
}
/**
* Constructor with host, name, network topology, offset, length
* and corrupt flag
*/
public BlockLocation(String[] names, String[] hosts, String[] topologyPaths,
long offset, long length, boolean corrupt) {
this(names, hosts, offset, length, corrupt);
if (topologyPaths == null) {
this.topologyPaths = new String[0];
} else {
@ -139,6 +158,13 @@ public long getLength() {
return length;
}
/**
* Get the corrupt flag.
*/
public boolean isCorrupt() {
return corrupt;
}
/**
* Set the start offset of file associated with this block
*/
@ -153,6 +179,13 @@ public void setLength(long length) {
this.length = length;
}
/**
* Set the corrupt flag.
*/
public void setCorrupt(boolean corrupt) {
this.corrupt = corrupt;
}
/**
* Set the hosts hosting this block
*/
@ -192,6 +225,7 @@ public void setTopologyPaths(String[] topologyPaths) throws IOException {
public void write(DataOutput out) throws IOException {
out.writeLong(offset);
out.writeLong(length);
out.writeBoolean(corrupt);
out.writeInt(names.length);
for (int i=0; i < names.length; i++) {
Text name = new Text(names[i]);
@ -215,6 +249,7 @@ public void write(DataOutput out) throws IOException {
public void readFields(DataInput in) throws IOException {
this.offset = in.readLong();
this.length = in.readLong();
this.corrupt = in.readBoolean();
int numNames = in.readInt();
this.names = new String[numNames];
for (int i = 0; i < numNames; i++) {
@ -245,6 +280,9 @@ public String toString() {
result.append(offset);
result.append(',');
result.append(length);
if (corrupt) {
result.append("(corrupt)");
}
for(String h: hosts) {
result.append(',');
result.append(h);