Java 11 (#359)

* Remove unused Bresenham class, the only one which uses the big java.desktop dependency

* Introduce XChars#decapitalize in order to get rid of dependency to java.beans.Introspector

* Update to Java 11

Update maven config and remove moditect plugin (module-info generator)
Move module-infos to actual source folder
Update readme and docs

* Cosmetics

* Fixed dependency

* Workflow - change to java 11

* Remove moditect plugin

* Transitive dependencies

* Fix warnings

* add module-info.java for spring project

* add transitive into module-info.java

* format and order

* Update spring boot module-info

* Update spring boot module-info

* Fix warnings

* Fix format

* Update docs

Co-authored-by: Zdenek Jonas <johny2000uwb@gmail.com>

.github/workflows/maven.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Java for publishing to Maven Central Repository
         uses: actions/setup-java@v2
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'adopt'
           server-id: ossrh
           server-username: MAVEN_USERNAME
@@ -30,24 +30,6 @@ jobs:
           MAVEN_USERNAME: ${{ secrets.REPO_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.REPO_PASSWORD }}
 
-      #java 11 build
-      - uses: actions/checkout@v2
-      - name: Set up Java 11 for publishing to Maven Central Repository
-        uses: actions/setup-java@v2
-        with:
-          java-version: '11'
-          distribution: 'adopt'
-          server-id: ossrh
-          server-username: MAVEN_USERNAME
-          server-password: MAVEN_PASSWORD
-      - name: Build with java 11
-        run: mvn -pl integrations/cdi clean source:jar install -am -B
-      - name: Deploy module build with java 11
-        run: mvn -Pdeploy -pl integrations/cdi -Dgpg.passphrase=${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }} deploy
-        env:
-          MAVEN_USERNAME: ${{ secrets.REPO_USERNAME }}
-          MAVEN_PASSWORD: ${{ secrets.REPO_PASSWORD }}
-
       #java 17 build
       - uses: actions/checkout@v2
       - name: Set up Java 17 for publishing to Maven Central Repository

.github/workflows/maven_build.yml

@@ -16,22 +16,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      #Build with java 8
-    - uses: actions/checkout@v2
-    - name: Set up JDK 8
-      uses: actions/setup-java@v2
-      with:
-        java-version: '8'
-        distribution: 'adopt'
-    - name: Cache Maven packages
-      uses: actions/cache@v2
-      with:
-        path: ~/.m2
-        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
-        restore-keys: ${{ runner.os }}-m2                
-    - name: Build with Maven
-      run: mvn -B package --file pom.xml
-
       #Build with java 11
     - uses: actions/checkout@v2
     - name: Set up JDK 11

README.md

@@ -24,7 +24,7 @@ MicroStream is available under [Eclipse Public License - v 2.0](LICENSE).
 
 ## Build
 
-To build MicroStream you need Java 8 and Maven.
+To build MicroStream you need Java 11 and Maven.
 
 Just run
 

afs/afs/src/module-info.java → afs/afs/src/main/java/module-info.java

@@ -22,5 +22,5 @@
 	exports one.microstream.afs.types;
 	exports one.microstream.afs.exceptions;
 
-	requires microstream.base;
+	requires transitive microstream.base;
 }

afs/nio/src/module-info.java → afs/nio/src/main/java/module-info.java

@@ -20,7 +20,6 @@
 module microstream.afs.nio
 {
 	exports one.microstream.afs.nio.types;
-
-	requires microstream.afs;
-	requires microstream.base;
+
+	requires transitive microstream.afs;
 }

afs/sql/src/module-info.java → afs/sql/src/main/java/module-info.java

@@ -21,8 +21,7 @@
 {
 	exports one.microstream.afs.sql.types;
 
-	requires java.sql;
-	requires microstream.afs;
-	requires microstream.base;
-	requires microstream.configuration;
+	requires transitive microstream.afs;
+	requires transitive microstream.configuration;
+	requires transitive java.sql;
 }

afs/sql/src/main/java/one/microstream/afs/sql/types/SqlFileSystemCreator.java

@@ -22,6 +22,8 @@
 
 import static one.microstream.chars.XChars.notEmpty;
 
+import java.lang.reflect.InvocationTargetException;
+
 import javax.sql.DataSource;
 
 import one.microstream.afs.types.AFileSystem;
@@ -64,7 +66,7 @@ public AFileSystem create(
 		try
 		{
 			final SqlDataSourceProvider dataSourceProvider = (SqlDataSourceProvider)
-				Class.forName(dataSourceProviderClassName).newInstance()
+				Class.forName(dataSourceProviderClassName).getDeclaredConstructor().newInstance()
 			;
 			final SqlProvider sqlProvider = this.createSqlProvider(
 				sqlConfiguration,
@@ -76,7 +78,11 @@ public AFileSystem create(
 				: SqlConnector.New(sqlProvider)
 			);
 		}
-		catch(InstantiationException | IllegalAccessException | ClassNotFoundException e)
+		catch(InstantiationException | IllegalAccessException |
+			  ClassNotFoundException | IllegalArgumentException |
+			  InvocationTargetException | NoSuchMethodException |
+			  SecurityException e
+		)
 		{
 			throw new ConfigurationException(sqlConfiguration, e);
 		}

base/src/module-info.java → base/src/main/java/module-info.java

@@ -56,10 +56,9 @@
 	exports one.microstream.math;
 	exports one.microstream.util.cql;
 	exports one.microstream.time;
-	
+
 	requires java.compiler;
-	requires java.desktop;
-	requires java.management;
-	requires jdk.unsupported;
-	requires org.slf4j;
+	requires transitive java.management;
+	requires transitive jdk.unsupported;
+	requires transitive org.slf4j;
 }

base/src/main/java/one/microstream/chars/XChars.java

@@ -2277,7 +2277,7 @@ public static final Integer[] parseToIntegerArray(final String... intStrings)
 		final Integer[] ints = new Integer[intStrings.length];
 		for(int i = 0; i < intStrings.length; i++)
 		{
-			ints[i] = new Integer(intStrings[i]);
+			ints[i] = Integer.parseInt(intStrings[i]);
 		}
 
 		return ints;
@@ -2967,6 +2967,24 @@ public static String mathRangeExcExc(final String lowerBound, final String upper
 		return "]" + lowerBound + "; " + upperBound + "[";
 	}
 
+
+	public static String decapitalize(final String name)
+	{
+        if(name == null || name.length() == 0)
+        {
+            return name;
+        }
+        if(name.length() > 1
+        && Character.isUpperCase(name.charAt(1))
+        && Character.isUpperCase(name.charAt(0))
+        )
+        {
+            return name;
+        }
+        final char chars[] = name.toCharArray();
+        chars[0] = Character.toLowerCase(chars[0]);
+        return new String(chars);
+    }
 
 
 	///////////////////////////////////////////////////////////////////////////

base/src/main/java/one/microstream/collections/Constant.java

@@ -556,7 +556,7 @@ public final long maximumCapacity()
 
 
 
-	final class OldConstant implements OldList<E>, OldSet<E>
+	public final class OldConstant implements OldList<E>, OldSet<E>
 	{
 		@Override
 		public final Constant<E> parent()

base/src/main/java/one/microstream/collections/Empty.java

@@ -497,7 +497,7 @@ public long maximumCapacity()
 
 
 
-	final class OldEmpty implements OldList<E>, OldSet<E>
+	public final class OldEmpty implements OldList<E>, OldSet<E>
 	{
 		@Override
 		public Empty<E> parent()

base/src/main/java/one/microstream/collections/Single.java

@@ -1084,7 +1084,7 @@ public Single<E> shiftBy(final long sourceIndex, final long distance, final long
 	}
 
 
-	final class OldSingle implements one.microstream.collections.old.OldSingle<E>
+	public final class OldSingle implements one.microstream.collections.old.OldSingle<E>
 	{
 		@Override
 		public int size()

base/src/main/java/one/microstream/collections/Singleton.java

@@ -766,7 +766,7 @@ public final Singleton<E> sort(final Comparator<? super E> comparator)
 
 
 
-	final class OldSingleton implements OldList<E>, OldSet<E>
+	public final class OldSingleton implements OldList<E>, OldSet<E>
 	{
 		@Override
 		public final Singleton<E> parent()

base/src/main/java/one/microstream/entity/EntityVersionContext.java

@@ -35,6 +35,7 @@
  */
 public interface EntityVersionContext<K> extends EntityLayerProviderProvider
 {
+	@SuppressWarnings("unchecked")
 	public static <K> EntityVersionContext<K> lookup(final Entity entity)
 	{
 		final EntityLayerVersioning<K> versioningLayer = Entity.searchLayer(
@@ -58,7 +59,7 @@ public default K versionForUpdate()
 
 	public EntityVersionCleaner<K> cleaner();
 
-	@SuppressWarnings("rawtypes")
+	@SuppressWarnings({"rawtypes", "unchecked"})
 	public default <E extends Entity> XGettingTable<K, E> versions(final E entity)
 	{
 		Entity layer = entity;

base/src/main/java/one/microstream/entity/codegen/EntityExceptionInvalidEntityMethod.java

@@ -27,10 +27,7 @@
 import one.microstream.entity.EntityException;
 
 
-/**
- * 
- * 
- */
+@SuppressWarnings("exports")
 public class EntityExceptionInvalidEntityMethod extends EntityException
 {
 	private final ExecutableElement method;

base/src/main/java/one/microstream/entity/codegen/EntityProcessor.java

@@ -48,10 +48,7 @@
 import one.microstream.entity.Entity;
 
 
-/**
- * 
- * 
- */
+@SuppressWarnings("exports")
 public class EntityProcessor extends AbstractProcessor
 {
 	private final static String     OPTION_HASHEQUALATOR = "microstream.entity.hashequalator";

base/src/main/java/one/microstream/entity/codegen/Member.java

@@ -21,12 +21,11 @@
  * #L%
  */
 
-import java.beans.Introspector;
-
 import javax.lang.model.element.ExecutableElement;
 import javax.lang.model.type.TypeMirror;
 
 import one.microstream.chars.VarString;
+import one.microstream.chars.XChars;
 
 /**
  * 
@@ -71,7 +70,7 @@ else if(methodName.startsWith("is"))
 
 		return offset <= 0 || methodName.length() <= offset
 			? methodName
-			: Introspector.decapitalize(methodName.substring(offset));
+			: XChars.decapitalize(methodName.substring(offset));
 	}
 
 	private static String setterName(final String name)

base/src/main/java/one/microstream/entity/codegen/TypeGeneratorAppendableType.java

@@ -21,14 +21,14 @@
  * #L%
  */
 
-import java.beans.Introspector;
 import java.util.List;
 import java.util.stream.Collectors;
 
 import javax.lang.model.element.TypeElement;
 import javax.lang.model.element.TypeParameterElement;
 
 import one.microstream.chars.VarString;
+import one.microstream.chars.XChars;
 
 
 /**
@@ -60,7 +60,7 @@ void generateCode()
 		final String                               typeParametersCode = typeParameters.isEmpty()
 			? ""
 			: typeParameters.stream().map(tp -> "?").collect(Collectors.joining(", ", "<", ">"));
-		final String                               varName            = Introspector.decapitalize(this.entityName);
+		final String                               varName            = XChars.decapitalize(this.entityName);
 
 		this.add("public interface ").add(this.typeName)
 			.add(" extends ").add(this.addImport(VarString.class)).add(".Appendable")

base/src/main/java/one/microstream/entity/codegen/TypeGeneratorHashEqualatorType.java

@@ -21,7 +21,6 @@
  * #L%
  */
 
-import java.beans.Introspector;
 import java.util.List;
 import java.util.Objects;
 import java.util.stream.Collectors;
@@ -31,6 +30,7 @@
 
 import one.microstream.X;
 import one.microstream.chars.VarString;
+import one.microstream.chars.XChars;
 import one.microstream.hashing.HashEqualator;
 import one.microstream.typing.Stateless;
 
@@ -82,7 +82,7 @@ void generateCode()
 			.add(this.typeName).add(", ").add(this.addImport(Stateless.class)).newline()
 			.tab().add("{").newline();
 
-		final String varName  = Introspector.decapitalize(this.entityName);
+		final String varName  = XChars.decapitalize(this.entityName);
 		final String varName1 = varName.concat("1");
 		final String varName2 = varName.concat("2");
 

base/src/main/java/one/microstream/entity/codegen/TypeGeneratorUpdaterType.java

@@ -21,12 +21,12 @@
  * #L%
  */
 
-import java.beans.Introspector;
 import java.util.List;
 
 import javax.lang.model.element.TypeElement;
 import javax.lang.model.element.TypeParameterElement;
 
+import one.microstream.chars.XChars;
 import one.microstream.entity.Entity;
 
 /**
@@ -66,7 +66,7 @@ void generateCode()
 			? ""
 			: "<>";
 		final String                               varName                      =
-			Introspector.decapitalize(this.entityName);
+			XChars.decapitalize(this.entityName);
 
 		this.add("public interface ").add(this.typeName).add(typeParametersDeclCode)
 			.add(" extends ").add(this.addImport(Entity.class)).add(".Updater<")