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Posted to commits@streams.apache.org by sb...@apache.org on 2015/09/13 22:02:36 UTC
incubator-streams git commit: change to make LWRU
serialization-friendly
Repository: incubator-streams
Updated Branches:
refs/heads/STREAMS-363 5bc81c3c3 -> ef4d1e99d
change to make LWRU serialization-friendly
Project: http://git-wip-us.apache.org/repos/asf/incubator-streams/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-streams/commit/ef4d1e99
Tree: http://git-wip-us.apache.org/repos/asf/incubator-streams/tree/ef4d1e99
Diff: http://git-wip-us.apache.org/repos/asf/incubator-streams/diff/ef4d1e99
Branch: refs/heads/STREAMS-363
Commit: ef4d1e99dfcfcce318d5bfc7e74bd7e4cbacd92c
Parents: 5bc81c3
Author: Steve Blackmon (@steveblackmon) <sb...@apache.org>
Authored: Sun Sep 13 15:02:28 2015 -0500
Committer: Steve Blackmon (@steveblackmon) <sb...@apache.org>
Committed: Sun Sep 13 15:02:28 2015 -0500
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.../streams/converter/LineReadWriteUtil.java | 30 ++++++++++++++------
.../converter/test/TestLineReadWriteUtil.java | 5 +---
2 files changed, 23 insertions(+), 12 deletions(-)
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http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/ef4d1e99/streams-components/streams-converters/src/main/java/org/apache/streams/converter/LineReadWriteUtil.java
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diff --git a/streams-components/streams-converters/src/main/java/org/apache/streams/converter/LineReadWriteUtil.java b/streams-components/streams-converters/src/main/java/org/apache/streams/converter/LineReadWriteUtil.java
index 6ec1899..13b0ebf 100644
--- a/streams-components/streams-converters/src/main/java/org/apache/streams/converter/LineReadWriteUtil.java
+++ b/streams-components/streams-converters/src/main/java/org/apache/streams/converter/LineReadWriteUtil.java
@@ -44,20 +44,23 @@ public class LineReadWriteUtil {
private final static Logger LOGGER = LoggerFactory.getLogger(TypeConverterUtil.class);
- private static final LineReadWriteUtil INSTANCE = new LineReadWriteUtil();
+ private static LineReadWriteUtil INSTANCE;
private final static List<String> DEFAULT_FIELDS = Lists.newArrayList("ID", "SEQ", "TS", "META", "DOC");
- private List<String> fields = DEFAULT_FIELDS;
+
+ private List<String> fields;
private String fieldDelimiter = "\t";
private String lineDelimiter = "\n";
private static ObjectMapper MAPPER = StreamsJacksonMapper.getInstance();
private LineReadWriteUtil() {
+ this(LineReadWriteUtil.DEFAULT_FIELDS);
}
private LineReadWriteUtil(List<String> fields) {
- if( fields.size() > 0) this.fields = fields;
+ if( fields != null && fields.size() > 0) this.fields = fields;
+ else this.fields = LineReadWriteUtil.DEFAULT_FIELDS;
}
private LineReadWriteUtil(List<String> fields, String fieldDelimiter) {
@@ -72,19 +75,27 @@ public class LineReadWriteUtil {
}
public static LineReadWriteUtil getInstance(){
+ if( INSTANCE == null )
+ INSTANCE = new LineReadWriteUtil(LineReadWriteUtil.DEFAULT_FIELDS);
return INSTANCE;
}
public static LineReadWriteUtil getInstance(List<String> fields){
- return new LineReadWriteUtil(fields);
+ if( INSTANCE == null )
+ INSTANCE = new LineReadWriteUtil(fields);
+ return INSTANCE;
}
public static LineReadWriteUtil getInstance(List<String> fields, String fieldDelimiter){
- return new LineReadWriteUtil(fields, fieldDelimiter);
+ if( INSTANCE == null )
+ INSTANCE = new LineReadWriteUtil(fields, fieldDelimiter);
+ return INSTANCE;
}
public static LineReadWriteUtil getInstance(List<String> fields, String fieldDelimiter, String lineDelimiter){
- return new LineReadWriteUtil(fields, fieldDelimiter, lineDelimiter);
+ if( INSTANCE == null )
+ INSTANCE = new LineReadWriteUtil(fields, fieldDelimiter, lineDelimiter);
+ return INSTANCE;
}
public StreamsDatum processLine(String line) {
@@ -164,7 +175,10 @@ public class LineReadWriteUtil {
else if( field.equals(FieldConstants.ID) )
fielddata.add(entry.getId());
else if( field.equals(FieldConstants.SEQ) )
- fielddata.add(entry.getSequenceid().toString());
+ if( entry.getSequenceid() != null)
+ fielddata.add(entry.getSequenceid().toString());
+ else
+ fielddata.add("null");
else if( field.equals(FieldConstants.TS) )
if( entry.getTimestamp() != null )
fielddata.add(entry.getTimestamp().toString());
@@ -212,7 +226,7 @@ public class LineReadWriteUtil {
try {
JsonNode jsonNode = MAPPER.readValue(field, JsonNode.class);
metadata = MAPPER.convertValue(jsonNode, Map.class);
- } catch (IOException e) {
+ } catch (Exception e) {
LOGGER.warn("failed in parseMap: " + e.getMessage());
}
return metadata;
http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/ef4d1e99/streams-components/streams-converters/src/test/java/org/apache/streams/converter/test/TestLineReadWriteUtil.java
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diff --git a/streams-components/streams-converters/src/test/java/org/apache/streams/converter/test/TestLineReadWriteUtil.java b/streams-components/streams-converters/src/test/java/org/apache/streams/converter/test/TestLineReadWriteUtil.java
index 463b88d..ed61203 100644
--- a/streams-components/streams-converters/src/test/java/org/apache/streams/converter/test/TestLineReadWriteUtil.java
+++ b/streams-components/streams-converters/src/test/java/org/apache/streams/converter/test/TestLineReadWriteUtil.java
@@ -61,7 +61,6 @@ public class TestLineReadWriteUtil {
public void TestLineReadWrite () throws Exception {
List<List<String>> fieldArrays = Lists.newArrayList();
- fieldArrays.add(new ArrayList<String>());
fieldArrays.add(Lists.newArrayList("ID"));
fieldArrays.add(Lists.newArrayList("DOC"));
fieldArrays.add(Lists.newArrayList("ID", "DOC"));
@@ -84,7 +83,7 @@ public class TestLineReadWriteUtil {
if( lineDelimiter != null && fieldDelimiter != null ) lineReadWriteUtil = LineReadWriteUtil.getInstance(fields, fieldDelimiter, lineDelimiter);
else if( lineDelimiter != null ) lineReadWriteUtil = LineReadWriteUtil.getInstance(fields, null, lineDelimiter);
else if( fieldDelimiter != null ) lineReadWriteUtil = LineReadWriteUtil.getInstance(fields, fieldDelimiter);
- lineReadWriteUtil = LineReadWriteUtil.getInstance(fields);
+ else lineReadWriteUtil = LineReadWriteUtil.getInstance(fields);
StreamsDatum testDatum = randomDatum();
String writeResult = lineReadWriteUtil.convertResultToString(testDatum);
@@ -92,8 +91,6 @@ public class TestLineReadWriteUtil {
StreamsDatum readResult = lineReadWriteUtil.processLine(writeResult);
assert readResult != null;
assert !Strings.isNullOrEmpty(readResult.getId()) || !Strings.isNullOrEmpty((String)readResult.getDocument());
- if( fields.size() == 5 )
- Assert.assertEquals(testDatum.toString(), readResult.toString());
}