[release] 0.5.2

[release] release 0.5.2

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,32 @@
+<!--- Provide a general summary of your changes in the Title above -->
+
+## Description
+<!--- Describe your changes in detail -->
+
+## Related Issue
+<!--- This project only accepts pull requests related to open issues -->
+<!--- If suggesting a new feature or change, please discuss it in an issue first -->
+<!--- If fixing a bug, there should be an issue describing it with steps to reproduce -->
+<!--- Please link to the issue here: -->
+
+## Motivation and Context
+<!--- Why is this change required? What problem does it solve? -->
+
+## How Has This Been Tested?
+<!--- Please describe in detail how you tested your changes. -->
+
+## Types of Changes
+<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to change)
+
+## Checklist:
+<!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
+<!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+- [ ] My code follows the code style of this project.
+- [ ] I have updated the documentation accordingly (if necessary).
+- [ ] I have added tests to cover my changes.
+- [ ] All new and existing tests passed.
+- [ ] I ran a spell checker.
+

.github/workflows/maven.yml

@@ -0,0 +1,21 @@
+name: Java CI
+
+on: [pull_request]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Build with Maven
+      run: |
+        mvn clean install -DskipTests
+        mvn clean verify

README.md

@@ -1,5 +1,5 @@
 [![Apache License, Version 2.0, January 2004](https://img.shields.io/github/license/apache/maven.svg?label=License)](https://www.apache.org/licenses/LICENSE-2.0)
-[![Maven Central](https://img.shields.io/badge/Maven_Central-0.5.1-blue.svg?label=Maven%20Central)](http://search.maven.org/#search%7Cga%7C1%7Cgradoop)
+[![Maven Central](https://img.shields.io/badge/Maven_Central-0.5.2-blue.svg?label=Maven%20Central)](http://search.maven.org/#search%7Cga%7C1%7Cgradoop)
 [![Build Status](https://travis-ci.org/dbs-leipzig/gradoop.svg?branch=master)](https://travis-ci.org/dbs-leipzig/gradoop)
 [![Code Quality: Java](https://img.shields.io/lgtm/grade/java/g/dbs-leipzig/gradoop.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/dbs-leipzig/gradoop/context:java)
 [![Total Alerts](https://img.shields.io/lgtm/alerts/g/dbs-leipzig/gradoop.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/dbs-leipzig/gradoop/alerts)
@@ -72,7 +72,7 @@ Stable:
 <dependency>
     <groupId>org.gradoop</groupId>
     <artifactId>gradoop-flink</artifactId>
-    <version>0.5.1</version>
+    <version>0.5.2</version>
 </dependency>
 ```
 

gradoop-checkstyle/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.gradoop</groupId>
         <artifactId>gradoop-parent</artifactId>
-        <version>0.5.1</version>
+        <version>0.5.2</version>
     </parent>
 
     <artifactId>gradoop-checkstyle</artifactId>
@@ -37,29 +37,6 @@
                 </plugins>
             </build>
         </profile>
-        <profile>
-            <id>snapshot</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-javadoc-plugin</artifactId>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-source-plugin</artifactId>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-gpg-plugin</artifactId>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.sonatype.plugins</groupId>
-                        <artifactId>nexus-staging-maven-plugin</artifactId>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
         <profile>
             <id>javadoc</id>
             <build>
@@ -72,16 +49,4 @@
             </build>
         </profile>
     </profiles>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <configuration>
-                    <skip>true</skip>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
 </project>

gradoop-checkstyle/src/main/resources/gradoop/LICENSE.txt

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.gradoop</groupId>
         <artifactId>gradoop-parent</artifactId>
-        <version>0.5.1</version>
+        <version>0.5.2</version>
     </parent>
 
     <artifactId>gradoop-common</artifactId>
@@ -39,29 +39,6 @@
                 </plugins>
             </build>
         </profile>
-        <profile>
-            <id>snapshot</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-javadoc-plugin</artifactId>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-source-plugin</artifactId>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-gpg-plugin</artifactId>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.sonatype.plugins</groupId>
-                        <artifactId>nexus-staging-maven-plugin</artifactId>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
         <profile>
             <id>javadoc</id>
             <build>

gradoop-common/src/main/java/org/gradoop/common/config/GradoopConfig.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/config/package-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/exceptions/UnsupportedTypeException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/exceptions/package-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/Attributed.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/Edge.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/EdgeFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/Element.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/ElementFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/ElementFactoryProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/GraphElement.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/GraphHead.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/GraphHeadFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/Identifiable.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/Labeled.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/Vertex.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/VertexFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/entities/package-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/strategies/PropertyValueStrategy.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/api/strategies/package-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/impl/comparators/IdentifiableComparator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/impl/comparators/package-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/impl/id/GradoopId.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,6 +28,7 @@
 import java.nio.BufferUnderflowException;
 import java.nio.ByteBuffer;
 import java.security.SecureRandom;
+import java.util.Arrays;
 import java.util.Date;
 import java.util.Enumeration;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -441,12 +442,12 @@ public int getBinaryLength() {
 
   @Override
   public void copyTo(GradoopId target) {
-    target.bytes = this.bytes;
+    System.arraycopy(bytes, 0, target.bytes, 0, ID_SIZE);
   }
 
   @Override
   public GradoopId copy() {
-    return new GradoopId(this.bytes);
+    return new GradoopId(Arrays.copyOf(bytes, ID_SIZE));
   }
 
   @Override

gradoop-common/src/main/java/org/gradoop/common/model/impl/id/GradoopIdSet.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

gradoop-common/src/main/java/org/gradoop/common/model/impl/id/package-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2014 - 2019 Leipzig University (Database Research Group)
+ * Copyright © 2014 - 2020 Leipzig University (Database Research Group)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.