X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=bundles%2Forg.simantics.databoard%2Fexamples%2Forg%2Fsimantics%2Fdataboard%2Fexample%2FFileAccessorExample.java;h=0004e6788d21766c2c440ab696ec4a78d50a4bf1;hb=refs%2Fchanges%2F38%2F238%2F2;hp=eb03357249fefb881518fb6a1022f3ce62ff7918;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.databoard/examples/org/simantics/databoard/example/FileAccessorExample.java b/bundles/org.simantics.databoard/examples/org/simantics/databoard/example/FileAccessorExample.java
index eb0335724..0004e6788 100644
--- a/bundles/org.simantics.databoard/examples/org/simantics/databoard/example/FileAccessorExample.java
+++ b/bundles/org.simantics.databoard/examples/org/simantics/databoard/example/FileAccessorExample.java
@@ -1,120 +1,120 @@
-/*******************************************************************************
- * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.databoard.example;
-
-import java.io.File;
-import java.util.Arrays;
-
-import org.simantics.databoard.Accessors;
-import org.simantics.databoard.Bindings;
-import org.simantics.databoard.Datatypes;
-import org.simantics.databoard.accessor.file.FileArrayAccessor;
-import org.simantics.databoard.accessor.file.FileVariantAccessor;
-import org.simantics.databoard.binding.Binding;
-import org.simantics.databoard.binding.mutable.MutableVariant;
-import org.simantics.databoard.serialization.Serializer;
-import org.simantics.databoard.type.ArrayType;
-
-public class FileAccessorExample {
-
-	public static void main(String[] args) throws Exception {
-		
-		//
-		// File Accessor is an access to data that resides in a file in
-		// byte format.
-		//
-		
-		// Create new binary file
-		File file = File.createTempFile("variable", ".dbb");
-		// Create file and open an accessor
-		// Files are always variants, so the root accessor is VariantAccessor.
-		FileVariantAccessor fa = Accessors.createFile(file); 
-		
-		// We can put any value into the file
-		fa.setContentValue( Bindings.STRING, "Hello World!" );
-		// Or change it to completely another type 
-		fa.setContentValue( Bindings.INTEGER, 500 );
-		
-		// Values are normally flushed automatically
-		// If special *Noflush methods are used...		
-		fa.setContentValueNoflush( Bindings.DOUBLE, 99.0 );
-		// then a separate cache flush is required.
-		fa.flush();
-		
-		// Close the file
-		fa.close();
-		
-		
-		
-		// Re-open the file, get an accessor
-		fa = Accessors.openAccessor(file); 
-		// Lets read what the type is
-		System.out.println( fa.getContentType() );
-		// Read the content, we know its a Double so we use an instance of DoubleBinding
-		Double value = (Double) fa.getContentValue( Bindings.DOUBLE );
-		System.out.println( value );
-		
-		
-		
-		// Large datasets can be accessed partially
-		// It conserves memory.
-		
-		// Initialize the file into a Float[]
-		ArrayType floatArrayType = new ArrayType( Datatypes.FLOAT );
-		Binding binding = Bindings.getMutableBinding( floatArrayType );
-		fa.setContentValue( binding, binding.createDefault() );
-		
-		// Write partially 		
-		// Get a sub-accessor to content of the file.   
-		FileArrayAccessor aa = (FileArrayAccessor) fa.getContentAccessor();
-		// Add 1024 entries one by one
-		for (int i=0; i<1024; i++) {
-			float v = i * 1.5f;
-			aa.addNoflush( Bindings.FLOAT, v );
-		}
-		// Flushing ensures bytes are moved from memory cache to disc
-		// Note, reading works without flushing
-		aa.flush();
-
-		// Read partially
-		System.out.print("[");
-		for (int i=0; i<aa.size(); i++) {
-			System.out.print( aa.get(i, Bindings.FLOAT) );
-			System.out.print( ", ");
-		}
-		System.out.println("]");
-				
-		// Read all-at-once
-		binding = Bindings.getBinding( float[].class );
-		float data[] = (float[]) aa.getValue( binding );
-		System.out.println( Arrays.toString(data) );
-		
-		// File handle can be closed from any of its accessors (fa and aa)
-		aa.close();
-		
-		
-		
-			
-		// To read the data all-at-once an accessor is not needed, you can use Serializer aswell
-		
-		// The root of the file is always Variant so use an instance of VariantBinding
-		Serializer s = Bindings.getSerializerUnchecked( Bindings.MUTABLE_VARIANT );		
-		MutableVariant variant = (MutableVariant) s.deserialize( file );
-		data = (float[]) variant.getValue( binding );
-		System.out.println( Arrays.toString(data) );		
-		
-		
-		// Delete tmp file
-		file.delete();		
-	}
-	
-}
-
+/*******************************************************************************
+ * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.databoard.example;
+
+import java.io.File;
+import java.util.Arrays;
+
+import org.simantics.databoard.Accessors;
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.Datatypes;
+import org.simantics.databoard.accessor.file.FileArrayAccessor;
+import org.simantics.databoard.accessor.file.FileVariantAccessor;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.mutable.MutableVariant;
+import org.simantics.databoard.serialization.Serializer;
+import org.simantics.databoard.type.ArrayType;
+
+public class FileAccessorExample {
+
+	public static void main(String[] args) throws Exception {
+		
+		//
+		// File Accessor is an access to data that resides in a file in
+		// byte format.
+		//
+		
+		// Create new binary file
+		File file = File.createTempFile("variable", ".dbb");
+		// Create file and open an accessor
+		// Files are always variants, so the root accessor is VariantAccessor.
+		FileVariantAccessor fa = Accessors.createFile(file); 
+		
+		// We can put any value into the file
+		fa.setContentValue( Bindings.STRING, "Hello World!" );
+		// Or change it to completely another type 
+		fa.setContentValue( Bindings.INTEGER, 500 );
+		
+		// Values are normally flushed automatically
+		// If special *Noflush methods are used...		
+		fa.setContentValueNoflush( Bindings.DOUBLE, 99.0 );
+		// then a separate cache flush is required.
+		fa.flush();
+		
+		// Close the file
+		fa.close();
+		
+		
+		
+		// Re-open the file, get an accessor
+		fa = Accessors.openAccessor(file); 
+		// Lets read what the type is
+		System.out.println( fa.getContentType() );
+		// Read the content, we know its a Double so we use an instance of DoubleBinding
+		Double value = (Double) fa.getContentValue( Bindings.DOUBLE );
+		System.out.println( value );
+		
+		
+		
+		// Large datasets can be accessed partially
+		// It conserves memory.
+		
+		// Initialize the file into a Float[]
+		ArrayType floatArrayType = new ArrayType( Datatypes.FLOAT );
+		Binding binding = Bindings.getMutableBinding( floatArrayType );
+		fa.setContentValue( binding, binding.createDefault() );
+		
+		// Write partially 		
+		// Get a sub-accessor to content of the file.   
+		FileArrayAccessor aa = (FileArrayAccessor) fa.getContentAccessor();
+		// Add 1024 entries one by one
+		for (int i=0; i<1024; i++) {
+			float v = i * 1.5f;
+			aa.addNoflush( Bindings.FLOAT, v );
+		}
+		// Flushing ensures bytes are moved from memory cache to disc
+		// Note, reading works without flushing
+		aa.flush();
+
+		// Read partially
+		System.out.print("[");
+		for (int i=0; i<aa.size(); i++) {
+			System.out.print( aa.get(i, Bindings.FLOAT) );
+			System.out.print( ", ");
+		}
+		System.out.println("]");
+				
+		// Read all-at-once
+		binding = Bindings.getBinding( float[].class );
+		float data[] = (float[]) aa.getValue( binding );
+		System.out.println( Arrays.toString(data) );
+		
+		// File handle can be closed from any of its accessors (fa and aa)
+		aa.close();
+		
+		
+		
+			
+		// To read the data all-at-once an accessor is not needed, you can use Serializer aswell
+		
+		// The root of the file is always Variant so use an instance of VariantBinding
+		Serializer s = Bindings.getSerializerUnchecked( Bindings.MUTABLE_VARIANT );		
+		MutableVariant variant = (MutableVariant) s.deserialize( file );
+		data = (float[]) variant.getValue( binding );
+		System.out.println( Arrays.toString(data) );		
+		
+		
+		// Delete tmp file
+		file.delete();		
+	}
+	
+}
+