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体验新版 GitCode,发现更多精彩内容 >>
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05c5b48a
编写于
7月 14, 2014
作者:
M
Márton Balassi
提交者:
Stephan Ewen
8月 18, 2014
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电子邮件补丁
差异文件
[streaming] Tuple serialization added
上级
34d53c2a
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
23 addition
and
3 deletion
+23
-3
flink-addons/flink-streaming/src/test/java/eu/stratosphere/streaming/api/streamrecord/TupleTest.java
...eu/stratosphere/streaming/api/streamrecord/TupleTest.java
+23
-3
未找到文件。
flink-addons/flink-streaming/src/test/java/eu/stratosphere/streaming/api/streamrecord/TupleTest.java
浏览文件 @
05c5b48a
...
@@ -19,11 +19,25 @@ import eu.stratosphere.api.java.typeutils.TypeInformation;
...
@@ -19,11 +19,25 @@ import eu.stratosphere.api.java.typeutils.TypeInformation;
import
eu.stratosphere.api.java.typeutils.runtime.TupleSerializer
;
import
eu.stratosphere.api.java.typeutils.runtime.TupleSerializer
;
import
eu.stratosphere.pact.runtime.plugable.DeserializationDelegate
;
import
eu.stratosphere.pact.runtime.plugable.DeserializationDelegate
;
import
eu.stratosphere.pact.runtime.plugable.SerializationDelegate
;
import
eu.stratosphere.pact.runtime.plugable.SerializationDelegate
;
import
eu.stratosphere.types.StringValue
;
public
class
TupleTest
{
public
class
TupleTest
{
public
Tuple
readTuple
(
DataInput
in
,
Class
...
basicTypes
)
public
Tuple
readTuple
(
DataInput
in
)
throws
IOException
{
throws
IOException
{
StringValue
typeVal
=
new
StringValue
();
typeVal
.
read
(
in
);
// TODO: use Tokenizer
String
[]
types
=
typeVal
.
getValue
().
split
(
","
);
Class
[]
basicTypes
=
new
Class
[
types
.
length
];
for
(
int
i
=
0
;
i
<
types
.
length
;
i
++)
{
try
{
basicTypes
[
i
]
=
Class
.
forName
(
types
[
i
]);
}
catch
(
ClassNotFoundException
e
)
{
// TODO Auto-generated catch block
e
.
printStackTrace
();
}
}
TypeInformation
<?
extends
Tuple
>
typeInfo
=
TupleTypeInfo
TypeInformation
<?
extends
Tuple
>
typeInfo
=
TupleTypeInfo
.
getBasicTupleTypeInfo
(
basicTypes
);
.
getBasicTupleTypeInfo
(
basicTypes
);
...
@@ -39,12 +53,17 @@ public class TupleTest {
...
@@ -39,12 +53,17 @@ public class TupleTest {
private
void
writeTuple
(
Tuple
tuple
,
DataOutput
out
)
{
private
void
writeTuple
(
Tuple
tuple
,
DataOutput
out
)
{
Class
[]
basicTypes
=
new
Class
[
tuple
.
getArity
()];
Class
[]
basicTypes
=
new
Class
[
tuple
.
getArity
()];
StringBuilder
basicTypeNames
=
new
StringBuilder
();
for
(
int
i
=
0
;
i
<
basicTypes
.
length
;
i
++)
{
for
(
int
i
=
0
;
i
<
basicTypes
.
length
;
i
++)
{
basicTypes
[
i
]
=
tuple
.
getField
(
i
).
getClass
();
basicTypes
[
i
]
=
tuple
.
getField
(
i
).
getClass
();
basicTypeNames
.
append
(
basicTypes
[
i
].
getName
()
+
","
);
}
}
TypeInformation
<?
extends
Tuple
>
typeInfo
=
TupleTypeInfo
TypeInformation
<?
extends
Tuple
>
typeInfo
=
TupleTypeInfo
.
getBasicTupleTypeInfo
(
basicTypes
);
.
getBasicTupleTypeInfo
(
basicTypes
);
StringValue
typeVal
=
new
StringValue
(
basicTypeNames
.
toString
());
@SuppressWarnings
(
"unchecked"
)
@SuppressWarnings
(
"unchecked"
)
TupleSerializer
<
Tuple
>
tupleSerializer
=
(
TupleSerializer
<
Tuple
>)
typeInfo
TupleSerializer
<
Tuple
>
tupleSerializer
=
(
TupleSerializer
<
Tuple
>)
typeInfo
.
createSerializer
();
.
createSerializer
();
...
@@ -52,6 +71,7 @@ public class TupleTest {
...
@@ -52,6 +71,7 @@ public class TupleTest {
tupleSerializer
);
tupleSerializer
);
serializationDelegate
.
setInstance
(
tuple
);
serializationDelegate
.
setInstance
(
tuple
);
try
{
try
{
typeVal
.
write
(
out
);
serializationDelegate
.
write
(
out
);
serializationDelegate
.
write
(
out
);
}
catch
(
IOException
e
)
{
}
catch
(
IOException
e
)
{
// TODO Auto-generated catch block
// TODO Auto-generated catch block
...
@@ -76,7 +96,7 @@ public class TupleTest {
...
@@ -76,7 +96,7 @@ public class TupleTest {
buff
.
toByteArray
()));
buff
.
toByteArray
()));
Tuple2
<
Integer
,
String
>
tupleOut
=
(
Tuple2
<
Integer
,
String
>)
readTuple
(
Tuple2
<
Integer
,
String
>
tupleOut
=
(
Tuple2
<
Integer
,
String
>)
readTuple
(
in
,
Integer
.
class
,
String
.
class
);
in
);
assertEquals
(
tupleOut
.
getField
(
0
),
42
);
assertEquals
(
tupleOut
.
getField
(
0
),
42
);
}
catch
(
IOException
e
)
{
}
catch
(
IOException
e
)
{
fail
();
fail
();
...
...
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