svn commit: r1644149 - /uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/internal/util/IntVector.java

[sc...@apache.org]

Author: schor
Date: Tue Dec  9 18:38:18 2014
New Revision: 1644149

URL: http://svn.apache.org/r1644149
Log:
[UIMA-4135] add support for removing and adding back multiples of the same value, in support of avoiding index corruption, where allow_duplicate_add_to_indices is true.

Modified:
    uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/internal/util/IntVector.java

Modified: uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/internal/util/IntVector.java
URL: http://svn.apache.org/viewvc/uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/internal/util/IntVector.java?rev=1644149&r1=1644148&r2=1644149&view=diff
==============================================================================
--- uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/internal/util/IntVector.java (original)
+++ uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/internal/util/IntVector.java Tue Dec  9 18:38:18 2014
@@ -152,6 +152,13 @@ public class IntVector implements Serial
     ensure_size(this.pos);
     this.array[i] = element;
   }
+  
+  public void multiAdd(int element, int count) {
+    final int i = this.pos;
+    this.pos += count;
+    ensure_size(this.pos);
+    Arrays.fill(this.array, i, this.pos, element);    
+  }
 
   /**
    * Add an element at a certain position in the vector. Elements later in the vector are shifted
@@ -171,6 +178,21 @@ public class IntVector implements Serial
     }
     this.array[index] = element;
   }
+  
+  public void multiAdd(int index, int element, int count) {
+    final int endPos = index + count;
+    if (index >= this.pos) {
+      ensure_size(endPos);
+    } else {
+      if (this.array.length < this.pos + count) {
+        ensure_size(this.pos + count);
+      } else {
+        this.pos += count;
+      }
+      System.arraycopy(this.array, index, this.array, endPos, this.pos - endPos);
+    }
+    Arrays.fill(this.array, index,  endPos, element);
+  }
 
   /**
    * Set an element at a certain position in the vector.
@@ -235,6 +257,16 @@ public class IntVector implements Serial
   public void removeAllElements() {
     this.pos = 0;
   }
+  
+  public void removeAllElementsAdjustSizeDown() {
+    removeAllElements();
+    int len = array.length;
+    int newSize =  len >> (
+        (len > 128) ? 2 : 
+        (len > 4 ) ? 1 : 
+                    0);
+    resetSize(newSize);
+  }
 
   /**
    * Compares the specified <code>Object</code> with this <code>IntVector</code> for equality.