-/*******************************************************************************\r
- * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
- * Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.history.util;\r
-\r
-import java.util.Iterator;\r
-\r
-import org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.binding.ArrayBinding;\r
-import org.simantics.databoard.binding.error.BindingException;\r
-import org.simantics.databoard.type.ArrayType;\r
-\r
-/**\r
- * This class binds median class to as an array(double) where every second value\r
- * represents value and odd weight.\r
- */\r
-public class WeightedMedianBinding extends ArrayBinding {\r
-\r
- public WeightedMedianBinding() {\r
- super(new ArrayType(Bindings.DOUBLE.type()), Bindings.DOUBLE);\r
- }\r
- \r
- @Override\r
- public Object create() {\r
- return new WeightedMedian();\r
- }\r
-\r
- @Override\r
- public Object create(int length, Iterator<Object> it) throws BindingException { \r
- WeightedMedian result = new WeightedMedian( length );\r
- int count = length/2;\r
- WeightedMedian.Item[] items = new WeightedMedian.Item[count]; \r
- int index = 0;\r
- double value=0.0, weight=0.0;\r
- while (it.hasNext()) {\r
- double d = (Double) it.next();\r
- if ( index%2==0 ) {\r
- value = d;\r
- } else {\r
- weight = d;\r
- WeightedMedian.Item i = new WeightedMedian.Item(weight, value);\r
- items[ index/2 ] = i;\r
- }\r
- index++;\r
- }\r
- if ( count>0 ) {\r
- items[0].next = items[1];\r
- items[count-1].prev = items[count-2];\r
- } \r
- for (index=1; index<count-1; index++) {\r
- items[index].next = items[index+1];\r
- items[index].prev = items[index-1];\r
- }\r
- result.median = items[count/2];\r
- result.itemCount = count;\r
- return result;\r
- }\r
-\r
- @Override\r
- public Object create(Object[] array) throws BindingException {\r
- int count = array.length/2;\r
- WeightedMedian result = new WeightedMedian();\r
- WeightedMedian.Item[] items = new WeightedMedian.Item[count]; \r
- double value=0.0, weight=0.0;\r
- for (int index=0; index<array.length; index++) {\r
- double d = (Double) array[index];\r
- if ( index%2==0 ) {\r
- value = d;\r
- } else {\r
- weight = d;\r
- WeightedMedian.Item i = new WeightedMedian.Item(weight, value);\r
- items[ index/2 ] = i;\r
- }\r
- index++;\r
- }\r
- if ( count>0 ) {\r
- items[0].next = items[1];\r
- items[count-1].prev = items[count-2];\r
- } \r
- for (int index=1; index<count-1; index++) {\r
- items[index].next = items[index+1];\r
- items[index].prev = items[index-1];\r
- }\r
- result.median = items[count/2];\r
- result.itemCount = count;\r
- return result;\r
- }\r
-\r
- @Override\r
- public void add(Object array, int index, Object element) throws BindingException, IndexOutOfBoundsException {\r
- throw new BindingException("not implemented");\r
- }\r
-\r
- @Override\r
- public void remove(Object array, int index, int count) throws BindingException {\r
- throw new BindingException("not implemented");\r
- }\r
-\r
- @Override\r
- public Object get(Object array, int index) throws BindingException {\r
- int pos = index/2;\r
- WeightedMedian median = (WeightedMedian) array;\r
- int c = median.itemCount*2;\r
- if ( index<0 || index>=c ) throw new BindingException("Index "+index+" out of bounds "+c);\r
- WeightedMedian.Item i = median.head();\r
- for (int ix=1; ix<pos; ix++) i = i.next;\r
- return index%2==0?i.value:i.weight;\r
- }\r
-\r
- @Override\r
- public void getAll(Object array, Object[] result) throws BindingException {\r
- int c = size( array );\r
- if (result.length<c) throw new BindingException("Array too small");\r
- WeightedMedian median = (WeightedMedian) array;\r
- int ix = 0;\r
- WeightedMedian.Item i = median.head();\r
- while (i != null) {\r
- result[ix] = i.value; ix++;\r
- result[ix] = i.weight; ix++;\r
- i = i.next;\r
- }\r
- }\r
-\r
- @Override\r
- public void set(Object array, int index, Object value) throws BindingException {\r
- remove(array, index);\r
- add(array, value);\r
- }\r
-\r
- @Override\r
- public void setSize(Object array, int newSize) throws BindingException {\r
- int size = size(array);\r
- if (size<newSize) newSize = size;\r
- remove( array, size-newSize, newSize);\r
- }\r
-\r
- @Override\r
- public int size(Object array) throws BindingException {\r
- WeightedMedian median = (WeightedMedian) array;\r
- return median.itemCount*2;\r
- }\r
-\r
- @Override\r
- public boolean isInstance(Object obj) {\r
- return obj instanceof WeightedMedian;\r
- } \r
-\r
- @Override\r
- public boolean isResizable() {\r
- return true;\r
- }\r
- \r
-}\r
-\r
-\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * 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.history.util;
+
+import java.util.Iterator;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.binding.ArrayBinding;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.type.ArrayType;
+
+/**
+ * This class binds median class to as an array(double) where every second value
+ * represents value and odd weight.
+ */
+public class WeightedMedianBinding extends ArrayBinding {
+
+ public WeightedMedianBinding() {
+ super(new ArrayType(Bindings.DOUBLE.type()), Bindings.DOUBLE);
+ }
+
+ @Override
+ public Object create() {
+ return new WeightedMedian();
+ }
+
+ @Override
+ public Object create(int length, Iterator<Object> it) throws BindingException {
+ WeightedMedian result = new WeightedMedian( length );
+ int count = length/2;
+ WeightedMedian.Item[] items = new WeightedMedian.Item[count];
+ int index = 0;
+ double value=0.0, weight=0.0;
+ while (it.hasNext()) {
+ double d = (Double) it.next();
+ if ( index%2==0 ) {
+ value = d;
+ } else {
+ weight = d;
+ WeightedMedian.Item i = new WeightedMedian.Item(weight, value);
+ items[ index/2 ] = i;
+ }
+ index++;
+ }
+ if ( count>0 ) {
+ items[0].next = items[1];
+ items[count-1].prev = items[count-2];
+ }
+ for (index=1; index<count-1; index++) {
+ items[index].next = items[index+1];
+ items[index].prev = items[index-1];
+ }
+ result.median = items[count/2];
+ result.itemCount = count;
+ return result;
+ }
+
+ @Override
+ public Object create(Object[] array) throws BindingException {
+ int count = array.length/2;
+ WeightedMedian result = new WeightedMedian();
+ WeightedMedian.Item[] items = new WeightedMedian.Item[count];
+ double value=0.0, weight=0.0;
+ for (int index=0; index<array.length; index++) {
+ double d = (Double) array[index];
+ if ( index%2==0 ) {
+ value = d;
+ } else {
+ weight = d;
+ WeightedMedian.Item i = new WeightedMedian.Item(weight, value);
+ items[ index/2 ] = i;
+ }
+ index++;
+ }
+ if ( count>0 ) {
+ items[0].next = items[1];
+ items[count-1].prev = items[count-2];
+ }
+ for (int index=1; index<count-1; index++) {
+ items[index].next = items[index+1];
+ items[index].prev = items[index-1];
+ }
+ result.median = items[count/2];
+ result.itemCount = count;
+ return result;
+ }
+
+ @Override
+ public void add(Object array, int index, Object element) throws BindingException, IndexOutOfBoundsException {
+ throw new BindingException("not implemented");
+ }
+
+ @Override
+ public void remove(Object array, int index, int count) throws BindingException {
+ throw new BindingException("not implemented");
+ }
+
+ @Override
+ public Object get(Object array, int index) throws BindingException {
+ int pos = index/2;
+ WeightedMedian median = (WeightedMedian) array;
+ int c = median.itemCount*2;
+ if ( index<0 || index>=c ) throw new BindingException("Index "+index+" out of bounds "+c);
+ WeightedMedian.Item i = median.head();
+ for (int ix=1; ix<pos; ix++) i = i.next;
+ return index%2==0?i.value:i.weight;
+ }
+
+ @Override
+ public void getAll(Object array, Object[] result) throws BindingException {
+ int c = size( array );
+ if (result.length<c) throw new BindingException("Array too small");
+ WeightedMedian median = (WeightedMedian) array;
+ int ix = 0;
+ WeightedMedian.Item i = median.head();
+ while (i != null) {
+ result[ix] = i.value; ix++;
+ result[ix] = i.weight; ix++;
+ i = i.next;
+ }
+ }
+
+ @Override
+ public void set(Object array, int index, Object value) throws BindingException {
+ remove(array, index);
+ add(array, value);
+ }
+
+ @Override
+ public void setSize(Object array, int newSize) throws BindingException {
+ int size = size(array);
+ if (size<newSize) newSize = size;
+ remove( array, size-newSize, newSize);
+ }
+
+ @Override
+ public int size(Object array) throws BindingException {
+ WeightedMedian median = (WeightedMedian) array;
+ return median.itemCount*2;
+ }
+
+ @Override
+ public boolean isInstance(Object obj) {
+ return obj instanceof WeightedMedian;
+ }
+
+ @Override
+ public boolean isResizable() {
+ return true;
+ }
+
+}
+
+
Code Review / simantics / platform.git / blobdiff