[jira] [Commented] (RYA-466) Rya Streams Client - Stream results to file.

[ASF GitHub Bot (JIRA)]

[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16384012#comment-16384012
 ] 

ASF GitHub Bot commented on RYA-466:


Github user kchilton2 commented on the issue:

https://github.com/apache/incubator-rya/pull/275
  
I'm closing this because https://github.com/apache/incubator-rya/pull/279 
takes it over.


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[jira] [Commented] (RYA-466) Rya Streams Client - Stream results to file.

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[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16384013#comment-16384013
 ] 

ASF GitHub Bot commented on RYA-466:


Github user kchilton2 closed the pull request at:

https://github.com/apache/incubator-rya/pull/275


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[jira] [Commented] (RYA-466) Rya Streams Client - Stream results to file.

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[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16381100#comment-16381100
 ] 

ASF GitHub Bot commented on RYA-466:


Github user ejwhite922 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r171402268
  
--- Diff: 
common/rya.api/src/main/java/org/apache/rya/api/utils/QueryInvestigator.java ---
@@ -0,0 +1,104 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.utils;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.regex.Pattern;
+
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.parser.sparql.SPARQLParser;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * A utility class that is used to glean insight into the structure of 
SPARQL queries.
+ */
+@DefaultAnnotation(NonNull.class)
+public class QueryInvestigator {
+
+private static final SPARQLParser PARSER = new SPARQLParser();
+
+private QueryInvestigator() { }
+
+/**
+ * Determines whether a SPARQL command is a CONSTRUCT or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is a CONSTRUCT query; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isConstruct(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Constructs are queries, so try to create a ParsedQuery.
+PARSER.parseQuery(sparql, null);
+
+// Check to see if the SPARQL looks like a CONSTRUCT query.
+return Pattern.matches(".*?construct.*?where.*", 
sparql.toLowerCase());
--- End diff --

SELECT is supposed to create a ParsedTupleQuery based on looking at the 
[SPARQLParser.parseQuery()](https://github.com/ansell/openrdf-sesame/blob/fdf723d99ccdbdf0104e92c6a6433a8fbfe59750/core/queryparser/sparql/src/main/java/org/openrdf/query/parser/sparql/SPARQLParser.java)
 code but there's no documentation for any special cases.  But it does look 
like DESCRIBE queries also use ParsedGraphQuery.  Maybe also including a check 
similar to the INSERT example below would be best.


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[jira] [Commented] (RYA-466) Rya Streams Client - Stream results to file.

[ASF GitHub Bot (JIRA)]

[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16379264#comment-16379264
 ] 

ASF GitHub Bot commented on RYA-466:


Github user kchilton2 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r171065067
  
--- Diff: 
common/rya.api/src/main/java/org/apache/rya/api/utils/QueryInvestigator.java ---
@@ -0,0 +1,104 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.utils;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.regex.Pattern;
+
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.parser.sparql.SPARQLParser;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * A utility class that is used to glean insight into the structure of 
SPARQL queries.
+ */
+@DefaultAnnotation(NonNull.class)
+public class QueryInvestigator {
+
+private static final SPARQLParser PARSER = new SPARQLParser();
+
+private QueryInvestigator() { }
+
+/**
+ * Determines whether a SPARQL command is a CONSTRUCT or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is a CONSTRUCT query; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isConstruct(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Constructs are queries, so try to create a ParsedQuery.
+PARSER.parseQuery(sparql, null);
+
+// Check to see if the SPARQL looks like a CONSTRUCT query.
+return Pattern.matches(".*?construct.*?where.*", 
sparql.toLowerCase());
--- End diff --

Just write a better regex.


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[jira] [Commented] (RYA-466) Rya Streams Client - Stream results to file.

[ASF GitHub Bot (JIRA)]

[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16379262#comment-16379262
 ] 

ASF GitHub Bot commented on RYA-466:


Github user kchilton2 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r171064989
  
--- Diff: 
common/rya.api/src/main/java/org/apache/rya/api/utils/QueryInvestigator.java ---
@@ -0,0 +1,104 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.utils;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.regex.Pattern;
+
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.parser.sparql.SPARQLParser;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * A utility class that is used to glean insight into the structure of 
SPARQL queries.
+ */
+@DefaultAnnotation(NonNull.class)
+public class QueryInvestigator {
+
+private static final SPARQLParser PARSER = new SPARQLParser();
+
+private QueryInvestigator() { }
+
+/**
+ * Determines whether a SPARQL command is a CONSTRUCT or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is a CONSTRUCT query; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isConstruct(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Constructs are queries, so try to create a ParsedQuery.
+PARSER.parseQuery(sparql, null);
+
+// Check to see if the SPARQL looks like a CONSTRUCT query.
+return Pattern.matches(".*?construct.*?where.*", 
sparql.toLowerCase());
--- End diff --

Any SELECT could also create a ParsedGraphQuery, so that will not work.


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[jira] [Commented] (RYA-466) Rya Streams Client - Stream results to file.

[ASF GitHub Bot (JIRA)]

[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16379133#comment-16379133
 ] 

ASF GitHub Bot commented on RYA-466:


Github user kchilton2 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r171032022
  
--- Diff: 
common/rya.api/src/main/java/org/apache/rya/api/utils/QueryInvestigator.java ---
@@ -0,0 +1,104 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.utils;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.regex.Pattern;
+
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.parser.sparql.SPARQLParser;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * A utility class that is used to glean insight into the structure of 
SPARQL queries.
+ */
+@DefaultAnnotation(NonNull.class)
+public class QueryInvestigator {
+
+private static final SPARQLParser PARSER = new SPARQLParser();
+
+private QueryInvestigator() { }
+
+/**
+ * Determines whether a SPARQL command is a CONSTRUCT or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is a CONSTRUCT query; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isConstruct(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Constructs are queries, so try to create a ParsedQuery.
+PARSER.parseQuery(sparql, null);
+
+// Check to see if the SPARQL looks like a CONSTRUCT query.
+return Pattern.matches(".*?construct.*?where.*", 
sparql.toLowerCase());
+
+} catch(final MalformedQueryException queryE) {
+try {
+// Maybe it's an update.
+PARSER.parseUpdate(sparql, null);
+
+// It was, so return false.
+return false;
+
+} catch(final MalformedQueryException updateE) {
+// It's not. Actually malformed.
+throw queryE;
+}
+}
+}
+
+/**
+ * Determines whether a SPARQL command is an INSERT with a WHERE 
clause or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is an INSERT update; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isInsertWhere(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Inserts are updated, so try to create a ParsedUpdate.
+PARSER.parseUpdate(sparql, null);
+
+// Check to see if the SPARQL looks like an INSERT query.
+return Pattern.matches(".*?insert.*?where.*", 
sparql.toLowerCase());
--- End diff --

.*? is part of the regex. It will not match on ?where. But yea, it will def 
hit the 'where' part.


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16374856#comment-16374856
 ] 

ASF GitHub Bot commented on RYA-466:


Github user ejwhite922 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r170322179
  
--- Diff: 
common/rya.api/src/main/java/org/apache/rya/api/utils/QueryInvestigator.java ---
@@ -0,0 +1,104 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.utils;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.regex.Pattern;
+
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.parser.sparql.SPARQLParser;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * A utility class that is used to glean insight into the structure of 
SPARQL queries.
+ */
+@DefaultAnnotation(NonNull.class)
+public class QueryInvestigator {
+
+private static final SPARQLParser PARSER = new SPARQLParser();
+
+private QueryInvestigator() { }
+
+/**
+ * Determines whether a SPARQL command is a CONSTRUCT or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is a CONSTRUCT query; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isConstruct(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Constructs are queries, so try to create a ParsedQuery.
+PARSER.parseQuery(sparql, null);
+
+// Check to see if the SPARQL looks like a CONSTRUCT query.
+return Pattern.matches(".*?construct.*?where.*", 
sparql.toLowerCase());
--- End diff --

I don't think this will work in all cases.  It looks like the following 
query would incorrectly be considered a CONSTRUCT query:
```
SELECT ?constructionCompany 
WHERE {
   ?constructionCompany   .
}
```
Instead, try checking if the result of `PARSER.parseQuery()` is a 
`ParsedGraphQuery`:
```
final ParsedQuery parsedQuery = PARSER.parseQuery(sparql, null);
return parsedQuery instanceof ParsedGraphQuery;
```


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16374855#comment-16374855
 ] 

ASF GitHub Bot commented on RYA-466:


Github user ejwhite922 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r170336478
  
--- Diff: 
extras/rya.streams/client/src/main/java/org/apache/rya/streams/client/command/StreamResultsCommand.java
 ---
@@ -167,17 +182,38 @@ public void run() {
 throw new ExecutionException("Could not parse the SPARQL for 
the query: " + sparql, e);
 }
 
-// Iterate through the results and print them to the console until 
the program or the stream ends.
-try (final QueryResultStream stream = 
getQueryResultStream.fromStart(queryId)) {
-while(!finished.get()) {
-for(final Object result : stream.poll(1000)) {
-System.out.println(result);
+// Iterate through the results and print them to the configured 
output mechanism.
+try (final QueryResultStream resultsStream = 
getQueryResultStream.fromStart(queryId)) {
+final TupleExpr tupleExpr = new 
SPARQLParser().parseQuery(sparql, null).getTupleExpr();
+if(params.outputPath != null) {
+final Path file = Paths.get(params.outputPath);
+try(OutputStream out = Files.newOutputStream(file)) {
--- End diff --

try(final OutputStream out ...


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[jira] [Commented] (RYA-466) Rya Streams Client - Stream results to file.

[ASF GitHub Bot (JIRA)]

[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16374852#comment-16374852
 ] 

ASF GitHub Bot commented on RYA-466:


Github user ejwhite922 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r170329299
  
--- Diff: 
common/rya.api/src/main/java/org/apache/rya/api/utils/QueryInvestigator.java ---
@@ -0,0 +1,104 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.utils;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.regex.Pattern;
+
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.parser.sparql.SPARQLParser;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * A utility class that is used to glean insight into the structure of 
SPARQL queries.
+ */
+@DefaultAnnotation(NonNull.class)
+public class QueryInvestigator {
+
+private static final SPARQLParser PARSER = new SPARQLParser();
+
+private QueryInvestigator() { }
+
+/**
+ * Determines whether a SPARQL command is a CONSTRUCT or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is a CONSTRUCT query; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isConstruct(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Constructs are queries, so try to create a ParsedQuery.
+PARSER.parseQuery(sparql, null);
+
+// Check to see if the SPARQL looks like a CONSTRUCT query.
+return Pattern.matches(".*?construct.*?where.*", 
sparql.toLowerCase());
+
+} catch(final MalformedQueryException queryE) {
+try {
+// Maybe it's an update.
+PARSER.parseUpdate(sparql, null);
+
+// It was, so return false.
+return false;
+
+} catch(final MalformedQueryException updateE) {
+// It's not. Actually malformed.
+throw queryE;
+}
+}
+}
+
+/**
+ * Determines whether a SPARQL command is an INSERT with a WHERE 
clause or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is an INSERT update; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isInsertWhere(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Inserts are updated, so try to create a ParsedUpdate.
+PARSER.parseUpdate(sparql, null);
+
+// Check to see if the SPARQL looks like an INSERT query.
+return Pattern.matches(".*?insert.*?where.*", 
sparql.toLowerCase());
--- End diff --

Again, this could lead to false positives.  Such as:
```
DELETE
{ 
?bookInsert ?p ?o
}
WHERE
{ 
?bookInsert  ?datePrinted  .
FILTER ( ?datePrinted < "2018-01-01T00:00:00"^^xsd:dateTime )
?bookInsert ?p ?o
}
```
It should be either an INSERT or DELETE by the time it reaches the pattern 
matcher.  However, INSERT and DELETE are both considered `ParsedUpdate`s 
without any extra subclasses to distinguish them so it needs to be handled 
differently from the CONSTRUCT query parsing above.

Maybe try:
```
PARSER.parseUpdate(sparql, null);
final String strippedOperation = 

[jira] [Commented] (RYA-466) Rya Streams Client - Stream results to file.

[ASF GitHub Bot (JIRA)]

[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16374853#comment-16374853
 ] 

ASF GitHub Bot commented on RYA-466:


Github user ejwhite922 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r170336740
  
--- Diff: 
extras/rya.streams/client/src/main/java/org/apache/rya/streams/client/command/StreamResultsCommand.java
 ---
@@ -167,17 +182,38 @@ public void run() {
 throw new ExecutionException("Could not parse the SPARQL for 
the query: " + sparql, e);
 }
 
-// Iterate through the results and print them to the console until 
the program or the stream ends.
-try (final QueryResultStream stream = 
getQueryResultStream.fromStart(queryId)) {
-while(!finished.get()) {
-for(final Object result : stream.poll(1000)) {
-System.out.println(result);
+// Iterate through the results and print them to the configured 
output mechanism.
+try (final QueryResultStream resultsStream = 
getQueryResultStream.fromStart(queryId)) {
+final TupleExpr tupleExpr = new 
SPARQLParser().parseQuery(sparql, null).getTupleExpr();
+if(params.outputPath != null) {
+final Path file = Paths.get(params.outputPath);
+try(OutputStream out = Files.newOutputStream(file)) {
+if(isStatementResults) {
+final QueryResultStream 
stmtStream = (QueryResultStream) resultsStream;
+QueryResultsOutputUtil.toNtriplesFile(out, 
stmtStream, finished);
+} else {
+final QueryResultStream 
bsStream = (QueryResultStream) resultsStream;
+QueryResultsOutputUtil.toBindingSetJSONFile(out, 
tupleExpr, bsStream, finished);
+}
 }
+} else {
+streamToSystemOut(resultsStream, finished);
 }
 } catch (final Exception e) {
 System.err.println("Error while reading the results from the 
stream.");
 e.printStackTrace();
 System.exit(1);
 }
 }
+
+private void streamToSystemOut(final QueryResultStream stream, 
final AtomicBoolean shutdownSignal) throws Exception {
--- End diff --

make static


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[ASF GitHub Bot (JIRA)]

[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16374854#comment-16374854
 ] 

ASF GitHub Bot commented on RYA-466:


Github user ejwhite922 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r170329580
  
--- Diff: 
common/rya.api/src/test/java/org/apache/rya/api/utils/QueryInvestigatorTest.java
 ---
@@ -0,0 +1,123 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.utils;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.openrdf.query.MalformedQueryException;
+
+/**
+ * Unit tests the methods of {@link }.
--- End diff --

fill in `{@link}`


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[jira] [Commented] (RYA-466) Rya Streams Client - Stream results to file.

[ASF GitHub Bot (JIRA)]

[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16374857#comment-16374857
 ] 

ASF GitHub Bot commented on RYA-466:


Github user ejwhite922 commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r170329694
  
--- Diff: 
common/rya.api/src/test/java/org/apache/rya/api/utils/QueryInvestigatorTest.java
 ---
@@ -0,0 +1,123 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.utils;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.openrdf.query.MalformedQueryException;
+
+/**
+ * Unit tests the methods of {@link }.
+ */
+public class QueryInvestigatorTest {
--- End diff --

Add tests for potential false positives mentioned above.


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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[ASF GitHub Bot (JIRA)]

[ 
https://issues.apache.org/jira/browse/RYA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16374709#comment-16374709
 ] 

ASF GitHub Bot commented on RYA-466:


Github user isper3at commented on a diff in the pull request:

https://github.com/apache/incubator-rya/pull/275#discussion_r170314969
  
--- Diff: 
common/rya.api/src/main/java/org/apache/rya/api/utils/QueryInvestigator.java ---
@@ -0,0 +1,104 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.api.utils;
+
+import static java.util.Objects.requireNonNull;
+
+import java.util.regex.Pattern;
+
+import org.openrdf.query.MalformedQueryException;
+import org.openrdf.query.parser.sparql.SPARQLParser;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * A utility class that is used to glean insight into the structure of 
SPARQL queries.
+ */
+@DefaultAnnotation(NonNull.class)
+public class QueryInvestigator {
+
+private static final SPARQLParser PARSER = new SPARQLParser();
+
+private QueryInvestigator() { }
+
+/**
+ * Determines whether a SPARQL command is a CONSTRUCT or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is a CONSTRUCT query; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isConstruct(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Constructs are queries, so try to create a ParsedQuery.
+PARSER.parseQuery(sparql, null);
+
+// Check to see if the SPARQL looks like a CONSTRUCT query.
+return Pattern.matches(".*?construct.*?where.*", 
sparql.toLowerCase());
+
+} catch(final MalformedQueryException queryE) {
+try {
+// Maybe it's an update.
+PARSER.parseUpdate(sparql, null);
+
+// It was, so return false.
+return false;
+
+} catch(final MalformedQueryException updateE) {
+// It's not. Actually malformed.
+throw queryE;
+}
+}
+}
+
+/**
+ * Determines whether a SPARQL command is an INSERT with a WHERE 
clause or not.
+ *
+ * @param sparql - The SPARQL to evaluate. (not null)
+ * @return {@code true} if the provided SPARQL is an INSERT update; 
otherwise {@code false}.
+ * @throws MalformedQueryException The SPARQL is neither a well formed 
query or update.
+ */
+public static boolean isInsertWhere(final String sparql) throws 
MalformedQueryException {
+requireNonNull(sparql);
+
+try {
+// Inserts are updated, so try to create a ParsedUpdate.
+PARSER.parseUpdate(sparql, null);
+
+// Check to see if the SPARQL looks like an INSERT query.
+return Pattern.matches(".*?insert.*?where.*", 
sparql.toLowerCase());
--- End diff --

odd thought, what if the query is something like INSERT { a ?where b }


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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 ] 

ASF GitHub Bot commented on RYA-466:


Github user asfgit commented on the issue:

https://github.com/apache/incubator-rya/pull/275
  

Refer to this link for build results (access rights to CI server needed): 

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> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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 ] 

ASF GitHub Bot commented on RYA-466:


Github user asfgit commented on the issue:

https://github.com/apache/incubator-rya/pull/275
  

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> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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ASF GitHub Bot commented on RYA-466:


Github user kchilton2 commented on the issue:

https://github.com/apache/incubator-rya/pull/275
  
asfbot build


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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 ] 

ASF GitHub Bot commented on RYA-466:


Github user kchilton2 commented on the issue:

https://github.com/apache/incubator-rya/pull/275
  
asfbot build


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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ASF GitHub Bot commented on RYA-466:


Github user kchilton2 commented on the issue:

https://github.com/apache/incubator-rya/pull/275
  
asfbot build


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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ASF GitHub Bot commented on RYA-466:


Github user kchilton2 commented on the issue:

https://github.com/apache/incubator-rya/pull/275
  
asfbot build


> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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Github user asfgit commented on the issue:

https://github.com/apache/incubator-rya/pull/275
  

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> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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 ] 

ASF GitHub Bot commented on RYA-466:


GitHub user kchilton2 opened a pull request:

https://github.com/apache/incubator-rya/pull/275

RYA-466 Update the Rya Streams Client to stream results to file.

## Description
Updated the Rya STreams Client to stream results to file.

### Tests
Added tests.

### Links
https://issues.apache.org/jira/browse/RYA-466

### Checklist
- [ ] Code Review
- [ ] Squash Commits


You can merge this pull request into a Git repository by running:

$ git pull https://github.com/kchilton2/incubator-rya RYA-466

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/incubator-rya/pull/275.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #275


commit 786989c14933fa4c4df143677406b75bd358738b
Author: kchilton2 
Date:   2018-02-14T18:49:52Z

RYA-466 Update the Rya Streams Client to stream results to file.




> Rya Streams Client - Stream results to file.
> 
>
> Key: RYA-466
> URL: https://issues.apache.org/jira/browse/RYA-466
> Project: Rya
>  Issue Type: Improvement
>Reporter: Kevin Chilton
>Assignee: Kevin Chilton
>Priority: Major
>
> The Rya Streams Client's stream results command needs to be updated to allow 
> a user to stream Statement results to an NTriples file and Binding Sets to 
> the standard JSON representation.



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