-/*******************************************************************************\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 org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.accessor.ArrayAccessor;\r
-import org.simantics.databoard.accessor.CloseableAccessor;\r
-import org.simantics.databoard.accessor.StreamAccessor;\r
-import org.simantics.databoard.accessor.error.AccessorException;\r
-import org.simantics.databoard.adapter.AdaptException;\r
-import org.simantics.databoard.binding.Binding;\r
-import org.simantics.databoard.binding.NumberBinding;\r
-import org.simantics.databoard.binding.RecordBinding;\r
-import org.simantics.databoard.binding.error.BindingException;\r
-import org.simantics.databoard.type.Datatype;\r
-import org.simantics.databoard.type.NumberType;\r
-import org.simantics.databoard.type.RecordType;\r
-import org.simantics.history.HistoryException;\r
-\r
-/**\r
- * This utility adds random access (time) to array accessor.\r
- * \r
- * @author toni.kalajainen\r
- */\r
-public class Stream {\r
- \r
- public ArrayAccessor accessor;\r
- public RecordType sampleType;\r
- public RecordBinding sampleBinding;\r
- \r
- public int timeIndex;\r
- public Datatype timeType;\r
- public Binding timeBinding;\r
- \r
- public int endTimeIndex;\r
- public Datatype endTimeType;\r
- public Binding endTimeBinding;\r
- \r
- public int valueIndex;\r
- public Datatype valueType;\r
- public Binding valueBinding;\r
-\r
- public int qualityIndex=-1;\r
- public NumberType qualityType;\r
- public NumberBinding qualityBinding;\r
- \r
- /**\r
- * Construct stream \r
- * \r
- * @param accessor \r
- */\r
- public Stream(ArrayAccessor accessor)\r
- {\r
- this.accessor = accessor;\r
- this.sampleType = (RecordType) accessor.type().componentType();\r
- this.sampleBinding = (RecordBinding) Bindings.getBeanBinding( sampleType );\r
- \r
- this.valueIndex = sampleType.getComponentIndex2("value");\r
- if (valueIndex<0) throw new IllegalArgumentException("Array is not a sample array, value field is missing");\r
- this.valueType = sampleType.getComponentType(valueIndex);\r
- this.valueBinding = this.sampleBinding.getComponentBinding(valueIndex); \r
- \r
- this.timeIndex = sampleType.getComponentIndex2("time");\r
- if (timeIndex<0) throw new IllegalArgumentException("Array is not a sample array, time field is missing");\r
- this.timeType = sampleType.getComponentType(timeIndex);\r
- this.timeBinding = this.sampleBinding.getComponentBinding(timeIndex);\r
- \r
- this.endTimeIndex = sampleType.getComponentIndex2("endTime");\r
- \r
- this.qualityIndex = sampleType.getComponentIndex2("quality");\r
- this.qualityType = qualityIndex>=0?(NumberType)sampleType.getComponentType(qualityIndex):null;\r
- this.qualityBinding = qualityType!=null?(NumberBinding)this.sampleBinding.getComponentBinding(qualityIndex):null; \r
- }\r
-\r
- /**\r
- * Construct stream \r
- * \r
- * @param accessor \r
- */\r
- public Stream(ArrayAccessor accessor, RecordBinding recordBinding)\r
- {\r
- this.accessor = accessor;\r
- this.sampleType = (RecordType) accessor.type().componentType();\r
- if (!this.sampleType.equals(recordBinding.type())) throw new IllegalArgumentException("Wrong binding. Got " + recordBinding.type() + ", expected " + this.sampleType);\r
- this.sampleBinding = recordBinding;\r
-\r
- this.valueIndex = sampleType.getComponentIndex2("value");\r
- this.timeIndex = sampleType.getComponentIndex2("time");\r
- this.endTimeIndex = sampleType.getComponentIndex2("endTime");\r
-\r
- if (valueIndex<0) throw new IllegalArgumentException("Array is not a sample array, value field is missing");\r
- if (timeIndex<0) throw new IllegalArgumentException("Array is not a sample array, time field is missing");\r
- //if (endTimeIndex<0) throw new IllegalArgumentException("Array is not a sample array, time field is missing");\r
- \r
- this.valueType = sampleType.getComponentType(valueIndex);\r
- this.timeType = sampleType.getComponentType(timeIndex);\r
- this.endTimeType = endTimeIndex>=0 ? sampleType.getComponentType(endTimeIndex) : null;\r
- \r
- this.valueBinding = this.sampleBinding.getComponentBinding("value"); \r
- this.timeBinding = this.sampleBinding.getComponentBinding("time");\r
- this.endTimeBinding = endTimeIndex>=0 ? this.sampleBinding.getComponentBinding("endTime") : null;\r
- }\r
-\r
- public void close() {\r
- if (accessor instanceof CloseableAccessor) {\r
- CloseableAccessor ca = (CloseableAccessor) accessor;\r
- try {\r
- ca.close();\r
- } catch (AccessorException e) {\r
- }\r
- }\r
- }\r
- \r
- public void reset() {\r
- if (accessor instanceof StreamAccessor) {\r
- StreamAccessor sa = (StreamAccessor) accessor;\r
- try {\r
- sa.reset();\r
- } catch (AccessorException e) {\r
- }\r
- }\r
- }\r
- \r
- /**\r
- * Make a binary search to stream data \r
- * \r
- * @param array\r
- * @param timeBinding\r
- * @param time \r
- * @return index of the search key, if it is contained in the array\r
- * within the specified range;\r
- * otherwise, <tt>(-(<i>insertion point</i>) - 1)</tt>. The\r
- * <i>insertion point</i> is defined as the point at which the\r
- * key would be inserted into the array: the index of the first\r
- * element in the range greater than the key,\r
- * or <tt>toIndex</tt> if all\r
- * elements in the range are less than the specified key. Note\r
- * that this guarantees that the return value will be >= 0 if\r
- * and only if the key is found.\r
- * @throws HistoryException \r
- */\r
- public int binarySearch(Binding timeBinding, Object time) throws HistoryException \r
- { \r
- try {\r
- Object time_ = Bindings.adapt(time, timeBinding, this.timeBinding);\r
- \r
- int fromIndex = 0;\r
- int toIndex = accessor.size();\r
- \r
- int ix = binarySearch0(fromIndex, toIndex, time_);\r
- return ix;\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- } catch (BindingException e) {\r
- throw new HistoryException(e);\r
- } catch (AdaptException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- // Like public version, but without range checks.\r
- private int binarySearch0(int fromIndex, int toIndex, Object key) throws AccessorException, BindingException {\r
- int low = fromIndex;\r
- int high = toIndex - 1;\r
- Binding timeBinding = sampleBinding.getComponentBinding(timeIndex);\r
- \r
- while (low <= high) {\r
- int mid = (low + high) >>> 1;\r
- Object midSam = accessor.get(mid, sampleBinding);\r
- Object midVal = sampleBinding.getComponent(midSam, timeIndex);\r
- int cmp = timeBinding.compare(midVal, key);\r
- if (cmp < 0)\r
- low = mid + 1;\r
- else if (cmp > 0)\r
- high = mid - 1;\r
- else\r
- return mid; // key found\r
- }\r
- return -(low + 1); // key not found.\r
- }\r
- \r
- public Object getLowerSample(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int index = binarySearch(timeBinding, time);\r
- // Exact match\r
- if (index==0) return null;\r
- if (index>0) {\r
- return accessor.get(index-1, sampleBinding);\r
- }\r
- index = -index-2;\r
- if (index<0) return null;\r
- if (index>=accessor.size()) return null;\r
- return accessor.get(index, sampleBinding);\r
- } catch (AccessorException e) {\r
- throw new HistoryException( e );\r
- }\r
- }\r
-\r
- \r
- public Object getFloorSample(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int index = binarySearch(timeBinding, time);\r
- // Exact match\r
- if (index>=0) {\r
- return accessor.get(index, sampleBinding);\r
- }\r
- // The position where the sample would be inserted\r
- index = -index-2;\r
- if (index<0) return null;\r
- if (index>=accessor.size()) return null;\r
- return accessor.get(index, sampleBinding);\r
- } catch (AccessorException e) {\r
- throw new HistoryException( e );\r
- }\r
- }\r
- \r
- public Object getSample(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int pos = binarySearch(timeBinding, time);\r
- if (pos>=0) {\r
- return accessor.get(pos, sampleBinding);\r
- }\r
- return null;\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- public boolean getSample(Binding timeBinding, Object time, Object sample) throws HistoryException\r
- {\r
- try {\r
- int pos = binarySearch(timeBinding, time);\r
- if (pos>=0) {\r
- accessor.get(pos, sampleBinding, sample);\r
- return true;\r
- }\r
- return false;\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- public Object getCeilingSample(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int index = binarySearch(timeBinding, time);\r
- // Exact match\r
- if (index>=0) {\r
- return accessor.get(index, sampleBinding);\r
- }\r
- // The position where the sample would be inserted\r
- index = -index-1;\r
- if (index<0) return null;\r
- if (index>=accessor.size()) return null;\r
- return accessor.get(index, sampleBinding);\r
- } catch (AccessorException e) {\r
- throw new HistoryException( e );\r
- }\r
- }\r
- \r
- public Object getHigherSample(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int index = binarySearch(timeBinding, time);\r
- // Exact match\r
- int count = accessor.size();\r
- if (index>=0) {\r
- index++; // exact match, -> next\r
- } else {\r
- // The position where the sample would be inserted\r
- index = -index-1;\r
- }\r
- if (index<0 || index>=count) return null;\r
- return accessor.get(index, sampleBinding);\r
- } catch (AccessorException e) {\r
- throw new HistoryException( e );\r
- }\r
- }\r
-\r
- private Object _getTime(Object sample, Binding timeBinding) throws HistoryException\r
- {\r
- try {\r
- Object time__ = sampleBinding.getComponent( sample, timeIndex );\r
- return Bindings.adapt(time__, this.timeBinding, timeBinding);\r
- } catch (AdaptException e) {\r
- throw new HistoryException(e);\r
- } catch (BindingException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- public Object getLowerTime(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int index = binarySearch(timeBinding, time);\r
- // Exact match\r
- if (index==0) return null;\r
- if (index>0) {\r
- return time;\r
- }\r
- index = -index-2;\r
- if (index<0) return null;\r
- if (index>=accessor.size()) return null;\r
- return _getTime(accessor.get(index, sampleBinding), timeBinding);\r
- } catch (AccessorException e) {\r
- throw new HistoryException( e );\r
- }\r
- }\r
-\r
- \r
- public Object getFloorTime(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int index = binarySearch(timeBinding, time);\r
- // Exact match\r
- if (index>=0) {\r
- return time;\r
- }\r
- // The position where the sample would be inserted\r
- index = -index-2;\r
- if (index<0) return null;\r
- if (index>=accessor.size()) return null;\r
- return _getTime( accessor.get(index, sampleBinding), timeBinding );\r
- } catch (AccessorException e) {\r
- throw new HistoryException( e );\r
- }\r
- }\r
- \r
- public Object getCeilingTime(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int index = binarySearch(timeBinding, time);\r
- // Exact match\r
- if (index>=0) {\r
- return time;\r
- }\r
- // The position where the sample would be inserted\r
- index = -index-1;\r
- if (index<0) return null;\r
- if (index>=accessor.size()) return null;\r
- return _getTime( accessor.get(index, sampleBinding), timeBinding );\r
- } catch (AccessorException e) {\r
- throw new HistoryException( e );\r
- }\r
- }\r
- \r
- public Object getHigherTime(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int index = binarySearch(timeBinding, time);\r
- \r
- // Exact match\r
- int count = accessor.size();\r
- if (index>=0) {\r
- index++; // exact match, -> next\r
- } else {\r
- // The position where the sample would be inserted\r
- index = -index-1;\r
- }\r
- if (index<0 || index>=count) return null;\r
- return _getTime( accessor.get(index, sampleBinding), timeBinding );\r
- } catch (AccessorException e) {\r
- throw new HistoryException( e );\r
- }\r
- }\r
- \r
- \r
- public Object getValue(Binding timeBinding, Object time, Binding valueBinding) throws HistoryException\r
- {\r
- try {\r
- int pos = binarySearch(timeBinding, time);\r
- if (pos>=0) {\r
- Object sample = accessor.get(pos, sampleBinding);\r
- Object value = sampleBinding.getComponent(sample, valueIndex);\r
- \r
- if (valueBinding != this.valueBinding) {\r
- value = Bindings.adapt(value, this.valueBinding, valueBinding);\r
- } \r
- return value;\r
- }\r
- return null;\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- } catch (BindingException e) {\r
- throw new HistoryException(e);\r
- } catch (AdaptException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- public Object getValue(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int pos = binarySearch(timeBinding, time);\r
- if (pos>=0) {\r
- Object sample = accessor.get(pos, sampleBinding);\r
- Object value = sampleBinding.getComponent(sample, valueIndex);\r
- return value;\r
- }\r
- return null;\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- } catch (BindingException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- public Object getQuality(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int pos = binarySearch(timeBinding, time);\r
- if (pos>=0) {\r
- Object sample = accessor.get(pos, sampleBinding);\r
- Object value = sampleBinding.getComponent(sample, qualityIndex);\r
- return value;\r
- }\r
- return null;\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- } catch (BindingException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- /**\r
- * Get value if exists, otherwise null\r
- * @param timeBinding\r
- * @param time\r
- * @return value or null\r
- * @throws HistoryException\r
- */\r
- public Object getPossibleValue(Binding timeBinding, Object time) throws HistoryException\r
- {\r
- try {\r
- int pos = binarySearch(timeBinding, time);\r
- if (pos>=0) {\r
- Object sample = accessor.get(pos, sampleBinding);\r
- if (qualityBinding != null) { \r
- Object quality = sampleBinding.getComponent(sample, qualityIndex); \r
- if ( !qualityBinding.getValue(quality).equals( ValueBand.QUALITY_GOOD ) ) return null; \r
- }\r
- Object value = sampleBinding.getComponent(sample, valueIndex);\r
- return value;\r
- }\r
- return null;\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- } catch (BindingException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- public int count() throws HistoryException {\r
- try {\r
- return accessor.size();\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- public Object getFirstTime(Binding binding) throws HistoryException {\r
- try {\r
- if (accessor.size()==0) {\r
- return null;\r
- }\r
- Object sample = accessor.get(0, sampleBinding);\r
- Object time = sampleBinding.getComponent(sample, timeIndex);\r
- if (timeBinding!=binding) time = Bindings.adapt(time, timeBinding, binding);\r
- return time;\r
- } catch (BindingException e) {\r
- throw new HistoryException(e);\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- } catch (AdaptException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
- \r
- public Object getEndTime(Binding binding) throws HistoryException {\r
- try {\r
- if (accessor.size()==0) {\r
- return null;\r
- }\r
- Object sample = accessor.get(0, sampleBinding);\r
- \r
- if (endTimeIndex>=0) {\r
- Object endtime = sampleBinding.getComponent(sample, endTimeIndex);\r
- if (endTimeBinding!=binding) endtime = Bindings.adapt(endtime, endTimeBinding, binding);\r
- return endtime;\r
- } else {\r
- Object time = sampleBinding.getComponent(sample, timeIndex);\r
- if (timeBinding!=binding) time = Bindings.adapt(time, timeBinding, binding);\r
- return time; \r
- }\r
- } catch (BindingException e) {\r
- throw new HistoryException(e);\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\r
- } catch (AdaptException e) {\r
- throw new HistoryException(e);\r
- }\r
- }\r
-\r
- public boolean isEmpty() throws HistoryException {\r
- try {\r
- return accessor.size() == 0;\r
- } catch (AccessorException e) {\r
- throw new HistoryException(e);\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 org.simantics.databoard.Bindings;
+import org.simantics.databoard.accessor.ArrayAccessor;
+import org.simantics.databoard.accessor.CloseableAccessor;
+import org.simantics.databoard.accessor.StreamAccessor;
+import org.simantics.databoard.accessor.error.AccessorException;
+import org.simantics.databoard.adapter.AdaptException;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.NumberBinding;
+import org.simantics.databoard.binding.RecordBinding;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.type.Datatype;
+import org.simantics.databoard.type.NumberType;
+import org.simantics.databoard.type.RecordType;
+import org.simantics.history.HistoryException;
+
+/**
+ * This utility adds random access (time) to array accessor.
+ *
+ * @author toni.kalajainen
+ */
+public class Stream {
+
+ public ArrayAccessor accessor;
+ public RecordType sampleType;
+ public RecordBinding sampleBinding;
+
+ public int timeIndex;
+ public Datatype timeType;
+ public Binding timeBinding;
+
+ public int endTimeIndex;
+ public Datatype endTimeType;
+ public Binding endTimeBinding;
+
+ public int valueIndex;
+ public Datatype valueType;
+ public Binding valueBinding;
+
+ public int qualityIndex=-1;
+ public NumberType qualityType;
+ public NumberBinding qualityBinding;
+
+ /**
+ * Construct stream
+ *
+ * @param accessor
+ */
+ public Stream(ArrayAccessor accessor)
+ {
+ this.accessor = accessor;
+ this.sampleType = (RecordType) accessor.type().componentType();
+ this.sampleBinding = (RecordBinding) Bindings.getBeanBinding( sampleType );
+
+ this.valueIndex = sampleType.getComponentIndex2("value");
+ if (valueIndex<0) throw new IllegalArgumentException("Array is not a sample array, value field is missing");
+ this.valueType = sampleType.getComponentType(valueIndex);
+ this.valueBinding = this.sampleBinding.getComponentBinding(valueIndex);
+
+ this.timeIndex = sampleType.getComponentIndex2("time");
+ if (timeIndex<0) throw new IllegalArgumentException("Array is not a sample array, time field is missing");
+ this.timeType = sampleType.getComponentType(timeIndex);
+ this.timeBinding = this.sampleBinding.getComponentBinding(timeIndex);
+
+ this.endTimeIndex = sampleType.getComponentIndex2("endTime");
+
+ this.qualityIndex = sampleType.getComponentIndex2("quality");
+ this.qualityType = qualityIndex>=0?(NumberType)sampleType.getComponentType(qualityIndex):null;
+ this.qualityBinding = qualityType!=null?(NumberBinding)this.sampleBinding.getComponentBinding(qualityIndex):null;
+ }
+
+ /**
+ * Construct stream
+ *
+ * @param accessor
+ */
+ public Stream(ArrayAccessor accessor, RecordBinding recordBinding)
+ {
+ this.accessor = accessor;
+ this.sampleType = (RecordType) accessor.type().componentType();
+ if (!this.sampleType.equals(recordBinding.type())) throw new IllegalArgumentException("Wrong binding. Got " + recordBinding.type() + ", expected " + this.sampleType);
+ this.sampleBinding = recordBinding;
+
+ this.valueIndex = sampleType.getComponentIndex2("value");
+ this.timeIndex = sampleType.getComponentIndex2("time");
+ this.endTimeIndex = sampleType.getComponentIndex2("endTime");
+
+ if (valueIndex<0) throw new IllegalArgumentException("Array is not a sample array, value field is missing");
+ if (timeIndex<0) throw new IllegalArgumentException("Array is not a sample array, time field is missing");
+ //if (endTimeIndex<0) throw new IllegalArgumentException("Array is not a sample array, time field is missing");
+
+ this.valueType = sampleType.getComponentType(valueIndex);
+ this.timeType = sampleType.getComponentType(timeIndex);
+ this.endTimeType = endTimeIndex>=0 ? sampleType.getComponentType(endTimeIndex) : null;
+
+ this.valueBinding = this.sampleBinding.getComponentBinding("value");
+ this.timeBinding = this.sampleBinding.getComponentBinding("time");
+ this.endTimeBinding = endTimeIndex>=0 ? this.sampleBinding.getComponentBinding("endTime") : null;
+ }
+
+ public void close() {
+ if (accessor instanceof CloseableAccessor) {
+ CloseableAccessor ca = (CloseableAccessor) accessor;
+ try {
+ ca.close();
+ } catch (AccessorException e) {
+ }
+ }
+ }
+
+ public void reset() {
+ if (accessor instanceof StreamAccessor) {
+ StreamAccessor sa = (StreamAccessor) accessor;
+ try {
+ sa.reset();
+ } catch (AccessorException e) {
+ }
+ }
+ }
+
+ /**
+ * Make a binary search to stream data
+ *
+ * @param array
+ * @param timeBinding
+ * @param time
+ * @return index of the search key, if it is contained in the array
+ * within the specified range;
+ * otherwise, <tt>(-(<i>insertion point</i>) - 1)</tt>. The
+ * <i>insertion point</i> is defined as the point at which the
+ * key would be inserted into the array: the index of the first
+ * element in the range greater than the key,
+ * or <tt>toIndex</tt> if all
+ * elements in the range are less than the specified key. Note
+ * that this guarantees that the return value will be >= 0 if
+ * and only if the key is found.
+ * @throws HistoryException
+ */
+ public int binarySearch(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ Object time_ = Bindings.adapt(time, timeBinding, this.timeBinding);
+
+ int fromIndex = 0;
+ int toIndex = accessor.size();
+
+ int ix = binarySearch0(fromIndex, toIndex, time_);
+ return ix;
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ } catch (BindingException e) {
+ throw new HistoryException(e);
+ } catch (AdaptException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ // Like public version, but without range checks.
+ private int binarySearch0(int fromIndex, int toIndex, Object key) throws AccessorException, BindingException {
+ int low = fromIndex;
+ int high = toIndex - 1;
+ Binding timeBinding = sampleBinding.getComponentBinding(timeIndex);
+
+ while (low <= high) {
+ int mid = (low + high) >>> 1;
+ Object midSam = accessor.get(mid, sampleBinding);
+ Object midVal = sampleBinding.getComponent(midSam, timeIndex);
+ int cmp = timeBinding.compare(midVal, key);
+ if (cmp < 0)
+ low = mid + 1;
+ else if (cmp > 0)
+ high = mid - 1;
+ else
+ return mid; // key found
+ }
+ return -(low + 1); // key not found.
+ }
+
+ public Object getLowerSample(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int index = binarySearch(timeBinding, time);
+ // Exact match
+ if (index==0) return null;
+ if (index>0) {
+ return accessor.get(index-1, sampleBinding);
+ }
+ index = -index-2;
+ if (index<0) return null;
+ if (index>=accessor.size()) return null;
+ return accessor.get(index, sampleBinding);
+ } catch (AccessorException e) {
+ throw new HistoryException( e );
+ }
+ }
+
+
+ public Object getFloorSample(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int index = binarySearch(timeBinding, time);
+ // Exact match
+ if (index>=0) {
+ return accessor.get(index, sampleBinding);
+ }
+ // The position where the sample would be inserted
+ index = -index-2;
+ if (index<0) return null;
+ if (index>=accessor.size()) return null;
+ return accessor.get(index, sampleBinding);
+ } catch (AccessorException e) {
+ throw new HistoryException( e );
+ }
+ }
+
+ public Object getSample(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int pos = binarySearch(timeBinding, time);
+ if (pos>=0) {
+ return accessor.get(pos, sampleBinding);
+ }
+ return null;
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ public boolean getSample(Binding timeBinding, Object time, Object sample) throws HistoryException
+ {
+ try {
+ int pos = binarySearch(timeBinding, time);
+ if (pos>=0) {
+ accessor.get(pos, sampleBinding, sample);
+ return true;
+ }
+ return false;
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ public Object getCeilingSample(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int index = binarySearch(timeBinding, time);
+ // Exact match
+ if (index>=0) {
+ return accessor.get(index, sampleBinding);
+ }
+ // The position where the sample would be inserted
+ index = -index-1;
+ if (index<0) return null;
+ if (index>=accessor.size()) return null;
+ return accessor.get(index, sampleBinding);
+ } catch (AccessorException e) {
+ throw new HistoryException( e );
+ }
+ }
+
+ public Object getHigherSample(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int index = binarySearch(timeBinding, time);
+ // Exact match
+ int count = accessor.size();
+ if (index>=0) {
+ index++; // exact match, -> next
+ } else {
+ // The position where the sample would be inserted
+ index = -index-1;
+ }
+ if (index<0 || index>=count) return null;
+ return accessor.get(index, sampleBinding);
+ } catch (AccessorException e) {
+ throw new HistoryException( e );
+ }
+ }
+
+ private Object _getTime(Object sample, Binding timeBinding) throws HistoryException
+ {
+ try {
+ Object time__ = sampleBinding.getComponent( sample, timeIndex );
+ return Bindings.adapt(time__, this.timeBinding, timeBinding);
+ } catch (AdaptException e) {
+ throw new HistoryException(e);
+ } catch (BindingException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ public Object getLowerTime(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int index = binarySearch(timeBinding, time);
+ // Exact match
+ if (index==0) return null;
+ if (index>0) {
+ return time;
+ }
+ index = -index-2;
+ if (index<0) return null;
+ if (index>=accessor.size()) return null;
+ return _getTime(accessor.get(index, sampleBinding), timeBinding);
+ } catch (AccessorException e) {
+ throw new HistoryException( e );
+ }
+ }
+
+
+ public Object getFloorTime(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int index = binarySearch(timeBinding, time);
+ // Exact match
+ if (index>=0) {
+ return time;
+ }
+ // The position where the sample would be inserted
+ index = -index-2;
+ if (index<0) return null;
+ if (index>=accessor.size()) return null;
+ return _getTime( accessor.get(index, sampleBinding), timeBinding );
+ } catch (AccessorException e) {
+ throw new HistoryException( e );
+ }
+ }
+
+ public Object getCeilingTime(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int index = binarySearch(timeBinding, time);
+ // Exact match
+ if (index>=0) {
+ return time;
+ }
+ // The position where the sample would be inserted
+ index = -index-1;
+ if (index<0) return null;
+ if (index>=accessor.size()) return null;
+ return _getTime( accessor.get(index, sampleBinding), timeBinding );
+ } catch (AccessorException e) {
+ throw new HistoryException( e );
+ }
+ }
+
+ public Object getHigherTime(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int index = binarySearch(timeBinding, time);
+
+ // Exact match
+ int count = accessor.size();
+ if (index>=0) {
+ index++; // exact match, -> next
+ } else {
+ // The position where the sample would be inserted
+ index = -index-1;
+ }
+ if (index<0 || index>=count) return null;
+ return _getTime( accessor.get(index, sampleBinding), timeBinding );
+ } catch (AccessorException e) {
+ throw new HistoryException( e );
+ }
+ }
+
+
+ public Object getValue(Binding timeBinding, Object time, Binding valueBinding) throws HistoryException
+ {
+ try {
+ int pos = binarySearch(timeBinding, time);
+ if (pos>=0) {
+ Object sample = accessor.get(pos, sampleBinding);
+ Object value = sampleBinding.getComponent(sample, valueIndex);
+
+ if (valueBinding != this.valueBinding) {
+ value = Bindings.adapt(value, this.valueBinding, valueBinding);
+ }
+ return value;
+ }
+ return null;
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ } catch (BindingException e) {
+ throw new HistoryException(e);
+ } catch (AdaptException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ public Object getValue(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int pos = binarySearch(timeBinding, time);
+ if (pos>=0) {
+ Object sample = accessor.get(pos, sampleBinding);
+ Object value = sampleBinding.getComponent(sample, valueIndex);
+ return value;
+ }
+ return null;
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ } catch (BindingException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ public Object getQuality(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int pos = binarySearch(timeBinding, time);
+ if (pos>=0) {
+ Object sample = accessor.get(pos, sampleBinding);
+ Object value = sampleBinding.getComponent(sample, qualityIndex);
+ return value;
+ }
+ return null;
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ } catch (BindingException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ /**
+ * Get value if exists, otherwise null
+ * @param timeBinding
+ * @param time
+ * @return value or null
+ * @throws HistoryException
+ */
+ public Object getPossibleValue(Binding timeBinding, Object time) throws HistoryException
+ {
+ try {
+ int pos = binarySearch(timeBinding, time);
+ if (pos>=0) {
+ Object sample = accessor.get(pos, sampleBinding);
+ if (qualityBinding != null) {
+ Object quality = sampleBinding.getComponent(sample, qualityIndex);
+ if ( !qualityBinding.getValue(quality).equals( ValueBand.QUALITY_GOOD ) ) return null;
+ }
+ Object value = sampleBinding.getComponent(sample, valueIndex);
+ return value;
+ }
+ return null;
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ } catch (BindingException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ public int count() throws HistoryException {
+ try {
+ return accessor.size();
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ public Object getFirstTime(Binding binding) throws HistoryException {
+ try {
+ if (accessor.size()==0) {
+ return null;
+ }
+ Object sample = accessor.get(0, sampleBinding);
+ Object time = sampleBinding.getComponent(sample, timeIndex);
+ if (timeBinding!=binding) time = Bindings.adapt(time, timeBinding, binding);
+ return time;
+ } catch (BindingException e) {
+ throw new HistoryException(e);
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ } catch (AdaptException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ public Object getEndTime(Binding binding) throws HistoryException {
+ try {
+ if (accessor.size()==0) {
+ return null;
+ }
+ Object sample = accessor.get(0, sampleBinding);
+
+ if (endTimeIndex>=0) {
+ Object endtime = sampleBinding.getComponent(sample, endTimeIndex);
+ if (endTimeBinding!=binding) endtime = Bindings.adapt(endtime, endTimeBinding, binding);
+ return endtime;
+ } else {
+ Object time = sampleBinding.getComponent(sample, timeIndex);
+ if (timeBinding!=binding) time = Bindings.adapt(time, timeBinding, binding);
+ return time;
+ }
+ } catch (BindingException e) {
+ throw new HistoryException(e);
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ } catch (AdaptException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+ public boolean isEmpty() throws HistoryException {
+ try {
+ return accessor.size() == 0;
+ } catch (AccessorException e) {
+ throw new HistoryException(e);
+ }
+ }
+
+}