Multi page records

console/src/test/java/com/arcadedb/console/ConsoleTest.java

@@ -18,8 +18,8 @@
  */
 package com.arcadedb.console;
 
-import com.arcadedb.database.DatabaseFactory;
 import com.arcadedb.exception.DatabaseOperationException;
+import com.arcadedb.server.TestServerHelper;
 import com.arcadedb.utility.FileUtils;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
@@ -42,7 +42,7 @@ public void populate() throws IOException {
   @AfterEach
   public void drop() {
     console.close();
-    Assertions.assertTrue(DatabaseFactory.getActiveDatabaseInstances().isEmpty(), "Found active databases: " + DatabaseFactory.getActiveDatabaseInstances());
+    TestServerHelper.checkActiveDatabases();
     FileUtils.deleteRecursively(new File("target/databases"));
   }
 

engine/src/main/java/com/arcadedb/database/BaseRecord.java

@@ -22,7 +22,7 @@
 import com.arcadedb.graph.Edge;
 import com.arcadedb.graph.Vertex;
 
-import java.util.Objects;
+import java.util.*;
 
 public abstract class BaseRecord implements Record {
   protected final DatabaseInternal database;
@@ -113,45 +113,45 @@ public Document asDocument() {
   @Override
   public Document asDocument(boolean loadContent) {
     if (this instanceof Edge)
-      throw new ClassCastException("Cannot cast an edge to a document");
+      throw new ClassCastException("Cannot cast the edge " + getIdentity() + " to a document");
     if (this instanceof Vertex)
-      throw new ClassCastException("Cannot cast a vertex to a document");
+      throw new ClassCastException("Cannot cast the vertex " + getIdentity() + " to a document");
     throw new ClassCastException("Current record is not a document");
   }
 
   @Override
   public Vertex asVertex() {
     if (this instanceof Edge)
-      throw new ClassCastException("Cannot cast an edge to a vertex");
+      throw new ClassCastException("Cannot cast the edge " + getIdentity() + " to a vertex");
     if (this instanceof Document)
-      throw new ClassCastException("Cannot cast a document to a vertex");
+      throw new ClassCastException("Cannot cast the document " + getIdentity() + " to a vertex");
     throw new ClassCastException("Current record is not a vertex");
   }
 
   @Override
   public Vertex asVertex(final boolean loadContent) {
     if (this instanceof Edge)
-      throw new ClassCastException("Cannot cast an edge to a vertex");
+      throw new ClassCastException("Cannot cast the edge " + getIdentity() + " to a vertex");
     if (this instanceof Document)
-      throw new ClassCastException("Cannot cast a document to a vertex");
+      throw new ClassCastException("Cannot cast the document " + getIdentity() + " to a vertex");
     throw new ClassCastException("Current record is not a vertex");
   }
 
   @Override
   public Edge asEdge() {
     if (this instanceof Vertex)
-      throw new ClassCastException("Cannot cast a vertex to an edge");
+      throw new ClassCastException("Cannot cast the vertex " + getIdentity() + " to an edge");
     if (this instanceof Document)
-      throw new ClassCastException("Cannot cast a document to an edge");
+      throw new ClassCastException("Cannot cast the document " + getIdentity() + " to an edge");
     throw new ClassCastException("Current record is not a edge");
   }
 
   @Override
   public Edge asEdge(boolean loadContent) {
     if (this instanceof Vertex)
-      throw new ClassCastException("Cannot cast a vertex to an edge");
+      throw new ClassCastException("Cannot cast the vertex " + getIdentity() + " to an edge");
     if (this instanceof Document)
-      throw new ClassCastException("Cannot cast a document to an edge");
+      throw new ClassCastException("Cannot cast the document " + getIdentity() + " to an edge");
     throw new ClassCastException("Current record is not a edge");
   }
 }

engine/src/main/java/com/arcadedb/database/Binary.java

@@ -140,7 +140,7 @@ public void append(final Binary toCopy) {
     final int contentSize = toCopy.size();
     if (contentSize > 0) {
       checkForAllocation(buffer.position(), contentSize);
-      buffer.put(toCopy.content, 0, contentSize);
+      buffer.put(toCopy.content, toCopy.getContentBeginOffset(), contentSize);
     }
   }
 
@@ -608,7 +608,8 @@ protected void checkForAllocation(final int offset, final int bytesToWrite) {
         newSize = allocationChunkSize;
 
       final byte[] newContent = new byte[newSize];
-      System.arraycopy(content, 0, newContent, 0, content.length);
+      if (size > 0)
+        System.arraycopy(content, 0, newContent, 0, content.length);
       this.content = newContent;
 
       final int oldPosition = this.buffer.position();

engine/src/main/java/com/arcadedb/database/RID.java

@@ -23,8 +23,8 @@
 import com.arcadedb.graph.Vertex;
 import com.arcadedb.utility.NumberUtils;
 
-import java.io.Serializable;
-import java.util.Objects;
+import java.io.*;
+import java.util.*;
 
 /**
  * It represents the logical address of a record in the database. The record id is composed by the bucket id (the bucket containing the record) and the offset