public virtual int Compare(System.Object o1, System.Object o2)
			{
                if (o1 == o2) return 0;
                f1 = (Fieldable)o1;
                f2 = (Fieldable)o2;
                return String.CompareOrdinal(f1.Name() + f1.StringValue(), f2.Name() + f2.StringValue());
			}
Example #2
0
 /// <summary>
 /// Gets the value stored in the fieldable.
 /// </summary>
 /// <remarks>
 /// This method is never called if the value is not stored in the index.
 /// </remarks>
 /// <param name="fieldable">The fieldable containaing the value.</param>
 /// <returns>The .NET value that was stored in the field</returns>
 public object GetValue(Fieldable fieldable)
 {
     if (string.IsNullOrEmpty(fieldable.StringValue()))
     {
         return(null);
     }
     return(GetValueInternal((NumericField)fieldable));
 }
Example #3
0
 internal virtual void  ValidateField(Fieldable f)
 {
     System.String val = f.StringValue();
     if (!val.StartsWith("^") || !val.EndsWith("$"))
     {
         throw new System.SystemException("Invalid field:" + f.ToString() + " val=" + val);
     }
 }
Example #4
0
 /// <summary>
 /// Sets the value in the field. This not only possibly sets the stored value but also the
 /// content to be possibly indexed and analyzed.
 /// </summary>
 /// <param name="fieldable">The field in which to set the value</param>
 /// <param name="value">The .NET value to set in the field</param>
 /// <returns>true if the value was set; false if the value was not set and the field should be ignored (not added to a document)</returns>
 public bool SetValue(Fieldable fieldable, object value)
 {
     if (value == null)
     {
         return(false);
     }
     SetValueInternal((NumericField)fieldable, (T)value);
     return(true);
 }
Example #5
0
 /// <summary> <p/>Removes all fields with the given name from the document.
 /// If there is no field with the specified name, the document remains unchanged.<p/>
 /// <p/> Note that the removeField(s) methods like the add method only make sense
 /// prior to adding a document to an index. These methods cannot
 /// be used to change the content of an existing index! In order to achieve this,
 /// a document has to be deleted from an index and a new changed version of that
 /// document has to be added.<p/>
 /// </summary>
 public void  RemoveFields(System.String name)
 {
     for (int i = fields.Count - 1; i >= 0; i--)
     {
         Fieldable field = (Fieldable)fields[i];
         if (field.Name().Equals(name))
         {
             fields.RemoveAt(i);
         }
     }
 }
Example #6
0
 /// <summary> Returns an array of bytes for the first (or only) field that has the name
 /// specified as the method parameter. This method will return <code>null</code>
 /// if no binary fields with the specified name are available.
 /// There may be non-binary fields with the same name.
 ///
 /// </summary>
 /// <param name="name">the name of the field.
 /// </param>
 /// <returns> a <code>byte[]</code> containing the binary field value or <code>null</code>
 /// </returns>
 public byte[] GetBinaryValue(System.String name)
 {
     for (int i = 0; i < fields.Count; i++)
     {
         Fieldable field = (Fieldable)fields[i];
         if (field.Name().Equals(name) && (field.IsBinary()))
         {
             return(field.BinaryValue());
         }
     }
     return(null);
 }
Example #7
0
 /// <summary>Returns the string value of the field with the given name if any exist in
 /// this document, or null.  If multiple fields exist with this name, this
 /// method returns the first value added. If only binary fields with this name
 /// exist, returns null.
 /// </summary>
 public System.String Get(System.String name)
 {
     for (int i = 0; i < fields.Count; i++)
     {
         Fieldable field = fields[i];
         if (field.Name().Equals(name) && (!field.IsBinary()))
         {
             return(field.StringValue());
         }
     }
     return(null);
 }
Example #8
0
            internal virtual void  loadDoc(IndexReader ir)
            {
                // beware of deleted docs in the future
                Document doc = ir.Document(rand.Next(ir.MaxDoc()), new AnonymousClassFieldSelector(this));

                System.Collections.IList fields = doc.GetFields();
                for (int i = 0; i < fields.Count; i++)
                {
                    Fieldable f = (Fieldable)fields[i];
                    Enclosing_Instance.ValidateField(f);
                }
            }
Example #9
0
 /// <summary>Returns a field with the given name if any exist in this document, or
 /// null.  If multiple fields exists with this name, this method returns the
 /// first value added.
 /// </summary>
 public Fieldable GetFieldable(System.String name)
 {
     for (int i = 0; i < fields.Count; i++)
     {
         Fieldable field = (Fieldable)fields[i];
         if (field.Name().Equals(name))
         {
             return(field);
         }
     }
     return(null);
 }
Example #10
0
 /// <summary> <p/>Removes field with the specified name from the document.
 /// If multiple fields exist with this name, this method removes the first field that has been added.
 /// If there is no field with the specified name, the document remains unchanged.<p/>
 /// <p/> Note that the removeField(s) methods like the add method only make sense
 /// prior to adding a document to an index. These methods cannot
 /// be used to change the content of an existing index! In order to achieve this,
 /// a document has to be deleted from an index and a new changed version of that
 /// document has to be added.<p/>
 /// </summary>
 public void  RemoveField(System.String name)
 {
     System.Collections.IEnumerator it = fields.GetEnumerator();
     while (it.MoveNext())
     {
         Fieldable field = (Fieldable)it.Current;
         if (field.Name().Equals(name))
         {
             fields.Remove(field);
             return;
         }
     }
 }
Example #11
0
 /// <summary>Prints the fields of a document for human consumption. </summary>
 public override System.String ToString()
 {
     System.Text.StringBuilder buffer = new System.Text.StringBuilder();
     buffer.Append("Document<");
     for (int i = 0; i < fields.Count; i++)
     {
         Fieldable field = (Fieldable)fields[i];
         buffer.Append(field.ToString());
         if (i != fields.Count - 1)
         {
             buffer.Append(" ");
         }
     }
     buffer.Append(">");
     return(buffer.ToString());
 }
Example #12
0
        /// <summary> Returns an array of byte arrays for of the fields that have the name specified
        /// as the method parameter. This method will return <code>null</code> if no
        /// binary fields with the specified name are available.
        ///
        /// </summary>
        /// <param name="name">the name of the field
        /// </param>
        /// <returns> a  <code>byte[][]</code> of binary field values or <code>null</code>
        /// </returns>
        public byte[][] GetBinaryValues(System.String name)
        {
            System.Collections.IList result = new System.Collections.ArrayList();
            for (int i = 0; i < fields.Count; i++)
            {
                Fieldable field = (Fieldable)fields[i];
                if (field.Name().Equals(name) && (field.IsBinary()))
                {
                    byte[] byteArray       = field.BinaryValue();
                    byte[] resultByteArray = new byte[byteArray.Length];
                    for (int index = 0; index < byteArray.Length; index++)
                    {
                        resultByteArray[index] = (byte)byteArray[index];
                    }

                    result.Add(resultByteArray);
                }
            }

            if (result.Count == 0)
            {
                return(null);
            }

            System.Collections.ICollection c = result;
            System.Object[] objects          = new byte[result.Count][];

            System.Type     type = objects.GetType().GetElementType();
            System.Object[] objs = (System.Object[])Array.CreateInstance(type, c.Count);

            System.Collections.IEnumerator e = c.GetEnumerator();
            int ii = 0;

            while (e.MoveNext())
            {
                objs[ii++] = e.Current;
            }

            // If objects is smaller than c then do not return the new array in the parameter
            if (objects.Length >= c.Count)
            {
                objs.CopyTo(objects, 0);
            }

            return((byte[][])objs);
        }
        public virtual void  TestLoadSize()
        {
            FieldsReader reader = new FieldsReader(dir, TEST_SEGMENT_NAME, fieldInfos);
            Document     doc;

            doc = reader.Doc(0, new AnonymousClassFieldSelector(this));
            Fieldable f1 = doc.GetFieldable(DocHelper.TEXT_FIELD_1_KEY);
            Fieldable f3 = doc.GetFieldable(DocHelper.TEXT_FIELD_3_KEY);
            Fieldable fb = doc.GetFieldable(DocHelper.LAZY_FIELD_BINARY_KEY);

            Assert.IsTrue(f1.IsBinary());
            Assert.IsTrue(!f3.IsBinary());
            Assert.IsTrue(fb.IsBinary());
            AssertSizeEquals(2 * DocHelper.FIELD_1_TEXT.Length, f1.BinaryValue());
            Assert.AreEqual(DocHelper.FIELD_3_TEXT, f3.StringValue());
            AssertSizeEquals(DocHelper.LAZY_FIELD_BINARY_BYTES.Length, fb.BinaryValue());

            reader.Close();
        }
Example #14
0
        /// <summary> Returns an array of {@link Fieldable}s with the given name.
        /// This method returns an empty array when there are no
        /// matching fields.  It never returns null.
        ///
        /// </summary>
        /// <param name="name">the name of the field
        /// </param>
        /// <returns> a <code>Fieldable[]</code> array
        /// </returns>
        public Fieldable[] GetFieldables(System.String name)
        {
            System.Collections.ArrayList result = new System.Collections.ArrayList();
            for (int i = 0; i < fields.Count; i++)
            {
                Fieldable field = (Fieldable)fields[i];
                if (field.Name().Equals(name))
                {
                    result.Add(field);
                }
            }

            if (result.Count == 0)
            {
                return(NO_FIELDABLES);
            }

            return((Fieldable[])result.ToArray(typeof(Fieldable)));
        }
Example #15
0
        /// <summary> Returns an array of values of the field specified as the method parameter.
        /// This method returns an empty array when there are no
        /// matching fields.  It never returns null.
        /// </summary>
        /// <param name="name">the name of the field
        /// </param>
        /// <returns> a <code>String[]</code> of field values
        /// </returns>
        public System.String[] GetValues(System.String name)
        {
            System.Collections.ArrayList result = new System.Collections.ArrayList();
            for (int i = 0; i < fields.Count; i++)
            {
                Fieldable field = (Fieldable)fields[i];
                if (field.Name().Equals(name) && (!field.IsBinary()))
                {
                    result.Add(field.StringValue());
                }
            }

            if (result.Count == 0)
            {
                return(NO_STRINGS);
            }

            return((System.String[])result.ToArray(typeof(System.String)));
        }
Example #16
0
        public virtual void  DoTest(int[] docs)
        {
            if (dataset.Count == 0)
            {
                for (int i = 0; i < data.Length; i++)
                {
                    dataset.Add(data[i], data[i]);
                }
            }

            Directory   dir    = MakeIndex();
            IndexReader reader = IndexReader.Open(dir);

            for (int i = 0; i < docs.Length; i++)
            {
                Document d = reader.Document(docs[i], SELECTOR);
                d.Get(MAGIC_FIELD);

                System.Collections.IList fields = d.GetFields();
                for (System.Collections.IEnumerator fi = fields.GetEnumerator(); fi.MoveNext();)
                {
                    Fieldable f = null;
                    try
                    {
                        f = (Fieldable)fi.Current;
                        System.String fname = f.Name();
                        System.String fval  = f.StringValue();
                        Assert.IsNotNull(docs[i] + " FIELD: " + fname, fval);
                        System.String[] vals = fval.Split('#');
                        if (!dataset.Contains(vals[0]) || !dataset.Contains(vals[1]))
                        {
                            Assert.Fail("FIELD:" + fname + ",VAL:" + fval);
                        }
                    }
                    catch (System.Exception e)
                    {
                        throw new Exception(docs[i] + " WTF: " + f.Name(), e);
                    }
                }
            }
            reader.Close();
        }
Example #17
0
        /// <summary> Returns an array of values of the field specified as the method parameter.
        /// This method returns an empty array when there are no
        /// matching fields.  It never returns null.
        /// </summary>
        /// <param name="name">the name of the field
        /// </param>
        /// <returns> a <code>String[]</code> of field values
        /// </returns>
        public string[] GetValues(System.String name)
        {
            List <string> result = new List <string>();

            for (int i = 0; i < fields.Count; i++)
            {
                Fieldable field = fields[i];
                if (field.Name().Equals(name) && (!field.IsBinary()))
                {
                    result.Add(field.StringValue());
                }
            }

            if (result.Count == 0)
            {
                return(NO_STRINGS);
            }

            return(result.ToArray());
        }
Example #18
0
        /// <summary> Returns an array of byte arrays for of the fields that have the name specified
        /// as the method parameter.  This method returns an empty
        /// array when there are no matching fields.  It never
        /// returns null.
        ///
        /// </summary>
        /// <param name="name">the name of the field
        /// </param>
        /// <returns> a <code>byte[][]</code> of binary field values
        /// </returns>
        public byte[][] GetBinaryValues(System.String name)
        {
            List <byte[]> result = new List <byte[]>();

            for (int i = 0; i < fields.Count; i++)
            {
                Fieldable field = fields[i];
                if (field.Name().Equals(name) && (field.IsBinary()))
                {
                    result.Add(field.BinaryValue());
                }
            }

            if (result.Count == 0)
            {
                return(NO_BYTES);
            }

            return(result.ToArray());
        }
Example #19
0
        /// <summary> Returns an array of {@link Fieldable}s with the given name.
        /// This method returns an empty array when there are no
        /// matching fields.  It never returns null.
        ///
        /// </summary>
        /// <param name="name">the name of the field
        /// </param>
        /// <returns> a <code>Fieldable[]</code> array
        /// </returns>
        public Fieldable[] GetFieldables(System.String name)
        {
            List <Fieldable> result = new List <Fieldable>();

            for (int i = 0; i < fields.Count; i++)
            {
                Fieldable field = fields[i];
                if (field.Name().Equals(name))
                {
                    result.Add(field);
                }
            }

            if (result.Count == 0)
            {
                return(NO_FIELDABLES);
            }

            return(result.ToArray());
        }
Example #20
0
        /// <summary> Returns an array of values of the field specified as the method parameter.
        /// This method returns an empty array when there are no
        /// matching fields.  It never returns null.
        /// </summary>
        /// <param name="name">the name of the field
        /// </param>
        /// <returns> a <code>String[]</code> of field values</returns>
        public System.String[] GetValues(System.String name)
        {
            System.Collections.ArrayList result = new System.Collections.ArrayList();
            for (int i = 0; i < fields.Count; i++)
            {
                Fieldable field = (Fieldable)fields[i];
                if (field.Name().Equals(name) && (!field.IsBinary()))
                {
                    result.Add(field.StringValue());
                }
            }
            /// This method returns an empty array when there are no
            /// matching fields.  It never returns null.

            if (result.Count == 0)
            {
                return(NO_STRINGS);
            }

            return((System.String[])(result.ToArray(typeof(System.String))));
        }
        public virtual void  Test()
        {
            Assert.IsTrue(dir != null);
            Assert.IsTrue(fieldInfos != null);
            FieldsReader reader = new FieldsReader(dir, TEST_SEGMENT_NAME, fieldInfos);

            Assert.IsTrue(reader != null);
            Assert.IsTrue(reader.Size() == 1);
            Document doc = reader.Doc(0, null);

            Assert.IsTrue(doc != null);
            Assert.IsTrue(doc.GetField(DocHelper.TEXT_FIELD_1_KEY) != null);

            Fieldable field = doc.GetField(DocHelper.TEXT_FIELD_2_KEY);

            Assert.IsTrue(field != null);
            Assert.IsTrue(field.IsTermVectorStored() == true);

            Assert.IsTrue(field.IsStoreOffsetWithTermVector() == true);
            Assert.IsTrue(field.IsStorePositionWithTermVector() == true);
            Assert.IsTrue(field.GetOmitNorms() == false);
            Assert.IsTrue(field.GetOmitTf() == false);

            field = doc.GetField(DocHelper.TEXT_FIELD_3_KEY);
            Assert.IsTrue(field != null);
            Assert.IsTrue(field.IsTermVectorStored() == false);
            Assert.IsTrue(field.IsStoreOffsetWithTermVector() == false);
            Assert.IsTrue(field.IsStorePositionWithTermVector() == false);
            Assert.IsTrue(field.GetOmitNorms() == true);
            Assert.IsTrue(field.GetOmitTf() == false);

            field = doc.GetField(DocHelper.NO_TF_KEY);
            Assert.IsTrue(field != null);
            Assert.IsTrue(field.IsTermVectorStored() == false);
            Assert.IsTrue(field.IsStoreOffsetWithTermVector() == false);
            Assert.IsTrue(field.IsStorePositionWithTermVector() == false);
            Assert.IsTrue(field.GetOmitNorms() == false);
            Assert.IsTrue(field.GetOmitTf() == true);
            reader.Close();
        }
Example #22
0
        public static void  VerifyEquals(Document d1, Document d2)
        {
            System.Collections.IList ff1 = d1.GetFields();
            System.Collections.IList ff2 = d2.GetFields();

            SupportClass.CollectionsHelper.Sort(ff1, fieldNameComparator);
            SupportClass.CollectionsHelper.Sort(ff2, fieldNameComparator);

            if (ff1.Count != ff2.Count)
            {
                System.Console.Out.WriteLine(SupportClass.CollectionsHelper.CollectionToString(ff1));
                System.Console.Out.WriteLine(SupportClass.CollectionsHelper.CollectionToString(ff2));
                Assert.AreEqual(ff1.Count, ff2.Count);
            }


            for (int i = 0; i < ff1.Count; i++)
            {
                Fieldable f1 = (Fieldable)ff1[i];
                Fieldable f2 = (Fieldable)ff2[i];
                if (f1.IsBinary())
                {
                    System.Diagnostics.Debug.Assert(f2.IsBinary());
                    //TODO
                }
                else
                {
                    System.String s1 = f1.StringValue();
                    System.String s2 = f2.StringValue();
                    if (!s1.Equals(s2))
                    {
                        // print out whole doc on error
                        System.Console.Out.WriteLine(SupportClass.CollectionsHelper.CollectionToString(ff1));
                        System.Console.Out.WriteLine(SupportClass.CollectionsHelper.CollectionToString(ff2));
                        Assert.AreEqual(s1, s2);
                    }
                }
            }
        }
        public virtual void  TestLazyFieldsAfterClose()
        {
            Assert.IsTrue(dir != null);
            Assert.IsTrue(fieldInfos != null);
            FieldsReader reader = new FieldsReader(dir, TEST_SEGMENT_NAME, fieldInfos);

            Assert.IsTrue(reader != null);
            Assert.IsTrue(reader.Size() == 1);
            System.Collections.Hashtable loadFieldNames = new System.Collections.Hashtable();
            SupportClass.CollectionsHelper.AddIfNotContains(loadFieldNames, DocHelper.TEXT_FIELD_1_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(loadFieldNames, DocHelper.TEXT_FIELD_UTF1_KEY);
            System.Collections.Hashtable lazyFieldNames = new System.Collections.Hashtable();
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.LARGE_LAZY_FIELD_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.LAZY_FIELD_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.LAZY_FIELD_BINARY_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.TEXT_FIELD_UTF2_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.COMPRESSED_TEXT_FIELD_2_KEY);
            SetBasedFieldSelector fieldSelector = new SetBasedFieldSelector(loadFieldNames, lazyFieldNames);
            Document doc = reader.Doc(0, fieldSelector);

            Assert.IsTrue(doc != null, "doc is null and it shouldn't be");
            Fieldable field = doc.GetFieldable(DocHelper.LAZY_FIELD_KEY);

            Assert.IsTrue(field != null, "field is null and it shouldn't be");
            Assert.IsTrue(field.IsLazy(), "field is not lazy and it should be");
            reader.Close();
            try
            {
                field.StringValue();
                Assert.Fail("did not hit AlreadyClosedException as expected");
            }
            catch (AlreadyClosedException e)
            {
                // expected
            }
        }
		internal virtual void  ValidateField(Fieldable f)
		{
			System.String val = f.StringValue();
			if (!val.StartsWith("^") || !val.EndsWith("$"))
			{
				throw new System.SystemException("Invalid field:" + f.ToString() + " val=" + val);
			}
		}
Example #25
0
        /// <summary>
        /// Parses a string value into the correct type.
        /// </summary>
        /// <param name="field">The field containing the value</param>
        /// <param name="mappingType">The expected type of the value</param>
        /// <returns>The parsed value</returns>
        /// <exception cref="TypeNotSupportedException">If the type of the value is not supported</exception>
        public object ParseValue(Fieldable field, Type mappingType)
        {
            var type = TypeFactory.GetFor(mappingType);

            return(type.GetValue(field));
        }
Example #26
0
		/// <summary> <p>Adds a field to a document.  Several fields may be added with
		/// the same name.  In this case, if the fields are indexed, their text is
		/// treated as though appended for the purposes of search.</p>
		/// <p> Note that add like the removeField(s) methods only makes sense 
		/// prior to adding a document to an index. These methods cannot
		/// be used to change the content of an existing index! In order to achieve this,
		/// a document has to be deleted from an index and a new changed version of that
		/// document has to be added.</p>
		/// </summary>
		public void  Add(Fieldable field)
		{
			fields.Add(field);
		}
Example #27
0
 /// <summary> <p/>Adds a field to a document.  Several fields may be added with
 /// the same name.  In this case, if the fields are indexed, their text is
 /// treated as though appended for the purposes of search.<p/>
 /// <p/> Note that add like the removeField(s) methods only makes sense
 /// prior to adding a document to an index. These methods cannot
 /// be used to change the content of an existing index! In order to achieve this,
 /// a document has to be deleted from an index and a new changed version of that
 /// document has to be added.<p/>
 /// </summary>
 public void  Add(Fieldable field)
 {
     fields.Add(field);
 }
        public virtual void  TestLazyFields()
        {
            Assert.IsTrue(dir != null);
            Assert.IsTrue(fieldInfos != null);
            FieldsReader reader = new FieldsReader(dir, TEST_SEGMENT_NAME, fieldInfos);

            Assert.IsTrue(reader != null);
            Assert.IsTrue(reader.Size() == 1);
            System.Collections.Hashtable loadFieldNames = new System.Collections.Hashtable();
            SupportClass.CollectionsHelper.AddIfNotContains(loadFieldNames, DocHelper.TEXT_FIELD_1_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(loadFieldNames, DocHelper.TEXT_FIELD_UTF1_KEY);
            System.Collections.Hashtable lazyFieldNames = new System.Collections.Hashtable();
            //new String[]{DocHelper.LARGE_LAZY_FIELD_KEY, DocHelper.LAZY_FIELD_KEY, DocHelper.LAZY_FIELD_BINARY_KEY};
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.LARGE_LAZY_FIELD_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.LAZY_FIELD_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.LAZY_FIELD_BINARY_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.TEXT_FIELD_UTF2_KEY);
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.COMPRESSED_TEXT_FIELD_2_KEY);
            SetBasedFieldSelector fieldSelector = new SetBasedFieldSelector(loadFieldNames, lazyFieldNames);
            Document doc = reader.Doc(0, fieldSelector);

            Assert.IsTrue(doc != null, "doc is null and it shouldn't be");
            Fieldable field = doc.GetFieldable(DocHelper.LAZY_FIELD_KEY);

            Assert.IsTrue(field != null, "field is null and it shouldn't be");
            Assert.IsTrue(field.IsLazy(), "field is not lazy and it should be");
            System.String value_Renamed = field.StringValue();
            Assert.IsTrue(value_Renamed != null, "value is null and it shouldn't be");
            Assert.IsTrue(value_Renamed.Equals(DocHelper.LAZY_FIELD_TEXT) == true, value_Renamed + " is not equal to " + DocHelper.LAZY_FIELD_TEXT);
            field = doc.GetFieldable(DocHelper.COMPRESSED_TEXT_FIELD_2_KEY);
            Assert.IsTrue(field != null, "field is null and it shouldn't be");
            Assert.IsTrue(field.IsLazy(), "field is not lazy and it should be");
            Assert.IsTrue(field.BinaryValue() == null, "binaryValue isn't null for lazy string field");
            value_Renamed = field.StringValue();
            Assert.IsTrue(value_Renamed != null, "value is null and it shouldn't be");
            Assert.IsTrue(value_Renamed.Equals(DocHelper.FIELD_2_COMPRESSED_TEXT) == true, value_Renamed + " is not equal to " + DocHelper.FIELD_2_COMPRESSED_TEXT);
            field = doc.GetFieldable(DocHelper.TEXT_FIELD_1_KEY);
            Assert.IsTrue(field != null, "field is null and it shouldn't be");
            Assert.IsTrue(field.IsLazy() == false, "Field is lazy and it should not be");
            field = doc.GetFieldable(DocHelper.TEXT_FIELD_UTF1_KEY);
            Assert.IsTrue(field != null, "field is null and it shouldn't be");
            Assert.IsTrue(field.IsLazy() == false, "Field is lazy and it should not be");
            Assert.IsTrue(field.StringValue().Equals(DocHelper.FIELD_UTF1_TEXT) == true, field.StringValue() + " is not equal to " + DocHelper.FIELD_UTF1_TEXT);

            field = doc.GetFieldable(DocHelper.TEXT_FIELD_UTF2_KEY);
            Assert.IsTrue(field != null, "field is null and it shouldn't be");
            Assert.IsTrue(field.IsLazy() == true, "Field is lazy and it should not be");
            Assert.IsTrue(field.StringValue().Equals(DocHelper.FIELD_UTF2_TEXT) == true, field.StringValue() + " is not equal to " + DocHelper.FIELD_UTF2_TEXT);

            field = doc.GetFieldable(DocHelper.LAZY_FIELD_BINARY_KEY);
            Assert.IsTrue(field != null, "field is null and it shouldn't be");
            Assert.IsTrue(field.StringValue() == null, "stringValue isn't null for lazy binary field");

            byte[] bytes = field.BinaryValue();
            Assert.IsTrue(bytes != null, "bytes is null and it shouldn't be");
            Assert.IsTrue(DocHelper.LAZY_FIELD_BINARY_BYTES.Length == bytes.Length, "");
            for (int i = 0; i < bytes.Length; i++)
            {
                Assert.IsTrue(bytes[i] == DocHelper.LAZY_FIELD_BINARY_BYTES[i], "byte[" + i + "] is mismatched");
            }
        }
        public virtual void  TestLazyPerformance()
        {
            System.String      tmpIODir = SupportClass.AppSettings.Get("tempDir", "");
            System.String      userName = System.Environment.UserName;
            System.String      path     = tmpIODir + System.IO.Path.DirectorySeparatorChar.ToString() + "lazyDir" + userName;
            System.IO.FileInfo file     = new System.IO.FileInfo(path);
            _TestUtil.RmDir(file);
            FSDirectory tmpDir = FSDirectory.Open(file);

            Assert.IsTrue(tmpDir != null);

            IndexWriter writer = new IndexWriter(tmpDir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);

            writer.SetUseCompoundFile(false);
            writer.AddDocument(testDoc);
            writer.Close();

            Assert.IsTrue(fieldInfos != null);
            FieldsReader reader;
            long         lazyTime    = 0;
            long         regularTime = 0;
            int          length      = 50;

            System.Collections.Hashtable lazyFieldNames = new System.Collections.Hashtable();
            SupportClass.CollectionsHelper.AddIfNotContains(lazyFieldNames, DocHelper.LARGE_LAZY_FIELD_KEY);
            SetBasedFieldSelector fieldSelector = new SetBasedFieldSelector(new System.Collections.Hashtable(), lazyFieldNames);

            for (int i = 0; i < length; i++)
            {
                reader = new FieldsReader(tmpDir, TEST_SEGMENT_NAME, fieldInfos);
                Assert.IsTrue(reader != null);
                Assert.IsTrue(reader.Size() == 1);

                Document doc;
                doc = reader.Doc(0, null);                 //Load all of them
                Assert.IsTrue(doc != null, "doc is null and it shouldn't be");
                Fieldable field = doc.GetFieldable(DocHelper.LARGE_LAZY_FIELD_KEY);
                Assert.IsTrue(field.IsLazy() == false, "field is lazy");
                System.String value_Renamed;
                long          start;
                long          finish;
                start = (DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond);
                //On my machine this was always 0ms.
                value_Renamed = field.StringValue();
                finish        = (DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond);
                Assert.IsTrue(value_Renamed != null, "value is null and it shouldn't be");
                Assert.IsTrue(field != null, "field is null and it shouldn't be");
                regularTime += (finish - start);
                reader.Close();
                reader = null;
                doc    = null;
                //Hmmm, are we still in cache???
                System.GC.Collect();
                reader = new FieldsReader(tmpDir, TEST_SEGMENT_NAME, fieldInfos);
                doc    = reader.Doc(0, fieldSelector);
                field  = doc.GetFieldable(DocHelper.LARGE_LAZY_FIELD_KEY);
                Assert.IsTrue(field.IsLazy() == true, "field is not lazy");
                start = (DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond);
                //On my machine this took around 50 - 70ms
                value_Renamed = field.StringValue();
                finish        = (DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond);
                Assert.IsTrue(value_Renamed != null, "value is null and it shouldn't be");
                lazyTime += (finish - start);
                reader.Close();
            }
            System.Console.Out.WriteLine("Average Non-lazy time (should be very close to zero): " + regularTime / length + " ms for " + length + " reads");
            System.Console.Out.WriteLine("Average Lazy Time (should be greater than zero): " + lazyTime / length + " ms for " + length + " reads");
        }