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Posted to commits@ignite.apache.org by vo...@apache.org on 2015/09/03 11:28:32 UTC

[04/14] ignite git commit: IGNITE-1364: WIP.

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_reader.h
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_reader.h b/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_reader.h
new file mode 100644
index 0000000..8cefaf2
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_reader.h
@@ -0,0 +1,347 @@
+/*
+ *  Copyright (C) GridGain Systems. All Rights Reserved.
+ *  _________        _____ __________________        _____
+ *  __  ____/___________(_)______  /__  ____/______ ____(_)_______
+ *  _  / __  __  ___/__  / _  __  / _  / __  _  __ `/__  / __  __ \
+ *  / /_/ /  _  /    _  /  / /_/ /  / /_/ /  / /_/ / _  /  _  / / /
+ *  \____/   /_/     /_/   \_,__/   \____/   \__,_/  /_/   /_/ /_/
+ */
+
+#ifndef _GRIDGAIN_PORTABLE_READER
+#define _GRIDGAIN_PORTABLE_READER
+
+#include <stdint.h>
+#include <string>
+
+#include <ignite/common/common.h>
+
+#include "gridgain/portable/portable_raw_reader.h"
+#include "gridgain/guid.h"
+
+namespace gridgain
+{    
+    namespace portable
+    {
+        /**
+         * Portable reader.
+         */
+        class IGNITE_IMPORT_EXPORT PortableReader
+        {
+        public:
+            /**
+             * Constructor.
+             *
+             * @param impl Implementation.
+             */
+            PortableReader(gridgain::impl::portable::PortableReaderImpl* impl);
+
+            /**
+             * Read 8-byte signed integer. Maps to "byte" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param fieldName Field name.
+             * @return Result.
+             */
+            int8_t ReadInt8(const char* fieldName);
+
+            /**
+             * Read array of 8-byte signed integers. Maps to "byte[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of array.
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadInt8Array(const char* fieldName, int8_t* res, const int32_t len);
+
+            /**
+             * Read bool. Maps to "short" type in Java.
+             *
+             * @param fieldName Field name.
+             * @return Result.
+             */
+            bool ReadBool(const char* fieldName);
+
+            /**
+             * Read array of bools. Maps to "bool[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of array.             
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadBoolArray(const char* fieldName, bool* res, const int32_t len);
+
+            /**
+             * Read 16-byte signed integer. Maps to "short" type in Java.
+             *
+             * @param fieldName Field name.
+             * @return Result.
+             */
+            int16_t ReadInt16(const char* fieldName);
+
+            /**
+             * Read array of 16-byte signed integers. Maps to "short[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of array.
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadInt16Array(const char* fieldName, int16_t* res, const int32_t len);
+
+            /**
+             * Read 16-byte unsigned integer. Maps to "char" type in Java.
+             *
+             * @param fieldName Field name.
+             * @return Result.
+             */
+            uint16_t ReadUInt16(const char* fieldName);
+
+            /**
+             * Read array of 16-byte unsigned integers. Maps to "char[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of array.             
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadUInt16Array(const char* fieldName, uint16_t* res, const int32_t len);
+
+            /**
+             * Read 32-byte signed integer. Maps to "int" type in Java.
+             *
+             * @param fieldName Field name.
+             * @return Result.
+             */
+            int32_t ReadInt32(const char* fieldName);
+
+            /**
+             * Read array of 32-byte signed integers. Maps to "int[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of array.             
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadInt32Array(const char* fieldName, int32_t* res, const int32_t len);
+
+            /**
+             * Read 64-byte signed integer. Maps to "long" type in Java.
+             *
+             * @param fieldName Field name.
+             * @return Result.
+             */
+            int64_t ReadInt64(const char* fieldName);
+
+            /**
+             * Read array of 64-byte signed integers. Maps to "long[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of array.             
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadInt64Array(const char* fieldName, int64_t* res, const int32_t len);
+
+            /**
+             * Read float. Maps to "float" type in Java.
+             *
+             * @param fieldName Field name.
+             * @return Result.
+             */
+            float ReadFloat(const char* fieldName);
+
+            /**
+             * Read array of floats. Maps to "float[]" type in Java.
+             * 
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of array.             
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadFloatArray(const char* fieldName, float* res, const int32_t len);
+
+            /**
+             * Read double. Maps to "double" type in Java.
+             *
+             * @param fieldName Field name.
+             * @return Result.
+             */
+            double ReadDouble(const char* fieldName);
+
+            /**
+             * Read array of doubles. Maps to "double[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of array.             
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadDoubleArray(const char* fieldName, double* res, const int32_t len);
+
+            /**
+             * Read Guid. Maps to "UUID" type in Java.
+             *
+             * @param fieldName Field name.
+             * @return Result.
+             */
+            Guid ReadGuid(const char* fieldName);
+
+            /**
+             * Read array of Guids. Maps to "UUID[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of array.             
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadGuidArray(const char* fieldName, Guid* res, const int32_t len);
+
+            /**
+             * Read string.
+             *
+             * @param fieldName Field name.
+             * @param res Array to store data to.
+             * @param len Expected length of string. NULL terminator will be set in case len is
+             *     greater than real string length.             
+             * @return Actual amount of elements read. If "len" argument is less than actual
+             *     array size or resulting array is set to null, nothing will be written
+             *     to resulting array and returned value will contain required array length.
+             *     -1 will be returned in case array in stream was null.
+             */
+            int32_t ReadString(const char* fieldName, char* res, const int32_t len);
+
+            /**
+             * Read string from the stream.
+             *
+             * @param fieldName Field name.
+             * @return String.
+             */
+            std::string ReadString(const char* fieldName)
+            {
+                int32_t len = ReadString(fieldName, NULL, 0);
+
+                if (len != -1)
+                {
+                    gridgain::impl::utils::SafeArray<char> arr(len + 1);
+
+                    ReadString(fieldName, arr.target, len + 1);
+
+                    return std::string(arr.target);
+                }
+                else
+                    return std::string();
+            }
+
+            /**
+             * Start string array read.
+             *
+             * @param fieldName Field name.
+             * @return String array reader.
+             */
+            PortableStringArrayReader ReadStringArray(const char* fieldName);
+
+            /**
+             * Start array read.
+             *
+             * @param fieldName Field name.
+             * @return Array reader.
+             */
+            template<typename T>
+            PortableArrayReader<T> ReadArray(const char* fieldName)
+            {
+                int32_t size;
+
+                int32_t id = impl->ReadArray(fieldName, &size);
+
+                return PortableArrayReader<T>(impl, id, size);
+            }
+
+            /**
+             * Start collection read.
+             *
+             * @param fieldName Field name.
+             * @return Collection reader.
+             */
+            template<typename T>
+            PortableCollectionReader<T> ReadCollection(const char* fieldName)
+            {
+                CollectionType typ;
+                int32_t size;
+
+                int32_t id = impl->ReadCollection(fieldName, &typ, &size);
+
+                return PortableCollectionReader<T>(impl, id, typ, size);
+            }
+
+            /**
+             * Start map read.
+             *
+             * @param fieldName Field name.
+             * @return Map reader.
+             */
+            template<typename K, typename V>
+            PortableMapReader<K, V> ReadMap(const char* fieldName)
+            {
+                MapType typ;
+                int32_t size;
+
+                int32_t id = impl->ReadMap(fieldName, &typ, &size);
+
+                return PortableMapReader<K, V>(impl, id, typ, size);
+            }
+
+            /**
+             * Read object.
+             *
+             * @param fieldName Field name.
+             * @return Object.
+             */
+            template<typename T>
+            T ReadObject(const char* fieldName)
+            {
+                return impl->ReadObject<T>(fieldName);
+            }
+
+            /**
+             * Get raw reader for this reader.
+             *
+             * @return Raw reader.
+             */
+            PortableRawReader RawReader();
+        private:
+            /** Implementation delegate. */
+            gridgain::impl::portable::PortableReaderImpl* impl;
+        };            
+    }
+}
+
+#endif
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_type.h
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_type.h b/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_type.h
new file mode 100644
index 0000000..53528071
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_type.h
@@ -0,0 +1,285 @@
+/*
+ *  Copyright (C) GridGain Systems. All Rights Reserved.
+ *  _________        _____ __________________        _____
+ *  __  ____/___________(_)______  /__  ____/______ ____(_)_______
+ *  _  / __  __  ___/__  / _  __  / _  / __  _  __ `/__  / __  __ \
+ *  / /_/ /  _  /    _  /  / /_/ /  / /_/ /  / /_/ / _  /  _  / / /
+ *  \____/   /_/     /_/   \_,__/   \____/   \__,_/  /_/   /_/ /_/
+ */
+
+#ifndef _GRIDGAIN_PORTABLE_TYPE
+#define _GRIDGAIN_PORTABLE_TYPE
+
+#include <stdint.h>
+
+#include <ignite/common/common.h>
+
+#include "gridgain/grid_error.h"
+
+/**
+ * Start portable type definition.
+ */
+#define GG_PORTABLE_TYPE_START(T) \
+template<> \
+struct PortableType<T> \
+{
+
+/**
+ * End portable type definition.
+ */
+#define GG_PORTABLE_TYPE_END \
+};
+
+/**
+ * Implementation of GetTypeId() which returns predefined constant.
+ */
+#define GG_PORTABLE_GET_TYPE_ID_AS_CONST(id) \
+int32_t GetTypeId() \
+{ \
+    return id; \
+}
+
+/**
+ * Implementation of GetTypeId() which returns hash of passed type name.
+ */
+#define GG_PORTABLE_GET_TYPE_ID_AS_HASH(typeName) \
+int32_t GetTypeId() \
+{ \
+    return GetPortableStringHashCode(#typeName); \
+}
+
+/**
+ * Implementation of GetTypeName() which returns type name as is.
+ */
+#define GG_PORTABLE_GET_TYPE_NAME_AS_IS(typeName) \
+std::string GetTypeName() \
+{ \
+    return #typeName; \
+}
+
+/**
+ * Default implementation of GetFieldId() function which returns Java-way hash code of the string.
+ */
+#define GG_PORTABLE_GET_FIELD_ID_AS_HASH \
+int32_t GetFieldId(const char* name) \
+{ \
+    return GetPortableStringHashCode(name); \
+}
+
+/**
+ * Implementation of GetHashCode() function which always returns 0.
+ */
+#define GG_PORTABLE_GET_HASH_CODE_ZERO(T) \
+int32_t GetHashCode(const T& obj) \
+{ \
+    return 0; \
+}
+
+/**
+ * Implementation of IsNull() function which always returns false.
+ */
+#define GG_PORTABLE_IS_NULL_FALSE(T) \
+bool IsNull(const T& obj) \
+{ \
+    return false; \
+}
+
+/**
+ * Implementation of IsNull() function which return true if passed object is null pointer.
+ */
+#define GG_PORTABLE_IS_NULL_IF_NULLPTR(T) \
+bool IsNull(const T& obj) \
+{ \
+    return obj; \
+}
+
+/**
+ * Implementation of GetNull() function which returns an instance created with defult constructor.
+ */
+#define GG_PORTABLE_GET_NULL_DEFAULT_CTOR(T) \
+T GetNull() \
+{ \
+    return T(); \
+}
+
+/**
+ * Implementation of GetNull() function which returns NULL pointer.
+ */
+#define GG_PORTABLE_GET_NULL_NULLPTR(T) \
+T GetNull() \
+{ \
+    return NULL; \
+}
+
+namespace gridgain
+{
+    namespace portable
+    {
+        class PortableWriter;
+        class PortableReader;
+
+        /**
+         * Get portable string hash code.
+         *
+         * @param val Value.
+         * @return Hash code.
+         */
+        IGNITE_IMPORT_EXPORT int32_t GetPortableStringHashCode(const char* val);
+
+        /**
+         * Portable type structure. Defines a set of functions required for type to be serialized and deserialized.
+         */
+        template<typename T>
+        struct IGNITE_IMPORT_EXPORT PortableType
+        {
+            /**
+             * Get portable object type ID.
+             *
+             * @return Type ID.
+             */
+            int32_t GetTypeId()
+            {
+                GG_ERROR_1(GridError::GG_ERR_PORTABLE, "GetTypeId function is not defined for portable type.");
+            }
+
+            /**
+             * Get portable object type name.
+             *
+             * @return Type name.
+             */
+            std::string GetTypeName() 
+            {
+                GG_ERROR_1(GridError::GG_ERR_PORTABLE, "GetTypeName function is not defined for portable type.");
+            }
+
+            /**
+             * Get portable object field ID.
+             *
+             * @param name Field name.
+             * @return Field ID.
+             */
+            int32_t GetFieldId(const char* name)
+            {
+                return GetPortableStringHashCode(name);
+            }
+
+            /**
+             * Get portable object hash code.
+             *
+             * @param obj Portable object.
+             * @return Hash code.
+             */
+            int32_t GetHashCode(const T& obj)
+            {
+                return 0;
+            }
+
+            /**
+             * Write portable object.
+             *
+             * @param writer Writer.
+             * @param obj Object.
+             */
+            void Write(PortableWriter& writer, const T& obj)
+            {
+                GG_ERROR_1(GridError::GG_ERR_PORTABLE, "Write function is not defined for portable type.");
+            }
+
+            /**
+             * Read portable object.
+             *
+             * @param reader Reader.
+             * @return Object.
+             */
+            T Read(PortableReader& reader)
+            {
+                GG_ERROR_1(GridError::GG_ERR_PORTABLE, "Read function is not defined for portable type.");
+            }
+
+            /**
+             * Check whether passed portable object should be interpreted as NULL.
+             *
+             * @param obj Portable object to test.
+             * @return True if portable object should be interpreted as NULL.
+             */
+            bool IsNull(const T& obj)
+            {
+                return false;
+            }
+
+            /**
+             * Get NULL value for the given portable type.
+             *
+             * @return NULL value.
+             */
+            T GetNull()
+            {
+                GG_ERROR_1(GridError::GG_ERR_PORTABLE, "GetNull function is not defined for portable type.");
+            }
+        };
+
+        /*
+         * Templated portable type for pointers.
+         */
+        template <typename T>
+        struct IGNITE_IMPORT_EXPORT PortableType<T*>
+        {
+            /** Actual type. */
+            PortableType<T> typ;
+
+            /**
+             * Constructor.
+             */
+            PortableType()
+            {
+                typ = PortableType<T>();
+            }
+
+            int32_t GetTypeId()
+            {
+                return typ.GetTypeId();
+            }
+
+            std::string GetTypeName()
+            {
+                return typ.GetTypeName();
+            }
+
+            int32_t GetFieldId(const char* name)
+            {
+                return typ.GetFieldId(name);
+            }
+
+            int32_t GetHashCode(T* const& obj)
+            {
+                return typ.GetHashCode(*obj);
+            }
+
+            void Write(PortableWriter& writer, T* const& obj)
+            {
+                typ.Write(writer, *obj);
+            }
+
+            T* Read(PortableReader& reader)
+            {
+                T* res = new T();
+
+                *res = typ.Read(reader);
+
+                return res;
+            }
+
+            bool IsNull(T* const& obj)
+            {
+                return !obj || typ.IsNull(*obj);
+            }
+
+            T* GetNull()
+            {
+                return NULL;
+            }
+        };
+    }
+}
+
+#endif

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_writer.h
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_writer.h b/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_writer.h
new file mode 100644
index 0000000..4730ef7
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/include/gridgain/portable/portable_writer.h
@@ -0,0 +1,327 @@
+/*
+ *  Copyright (C) GridGain Systems. All Rights Reserved.
+ *  _________        _____ __________________        _____
+ *  __  ____/___________(_)______  /__  ____/______ ____(_)_______
+ *  _  / __  __  ___/__  / _  __  / _  / __  _  __ `/__  / __  __ \
+ *  / /_/ /  _  /    _  /  / /_/ /  / /_/ /  / /_/ / _  /  _  / / /
+ *  \____/   /_/     /_/   \_,__/   \____/   \__,_/  /_/   /_/ /_/
+ */
+
+#ifndef _GRIDGAIN_PORTABLE_WRITER
+#define _GRIDGAIN_PORTABLE_WRITER
+
+#include <string>
+#include <stdint.h>
+
+#include <ignite/common/common.h>
+
+#include "gridgain/portable/portable_raw_writer.h"
+
+namespace gridgain
+{
+    namespace portable 
+    {
+        /**
+         * Portable writer.
+         */
+        class IGNITE_IMPORT_EXPORT PortableWriter
+        {
+        public:
+            /**
+             * Constructor.
+             *
+             * @param impl Implementation.
+             */
+            PortableWriter(gridgain::impl::portable::PortableWriterImpl* impl);
+
+            /**
+             * Write 8-byte signed integer. Maps to "byte" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            void WriteInt8(const char* fieldName, const int8_t val);
+
+            /**
+             * Write array of 8-byte signed integers. Maps to "byte[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Array.
+             * @param len Array length.
+             */
+            void WriteInt8Array(const char* fieldName, const int8_t* val, const int32_t len);
+
+            /**
+             * Write bool. Maps to "short" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            void WriteBool(const char* fieldName, const bool val);
+
+            /**
+             * Write array of bools. Maps to "bool[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Array.
+             * @param len Array length.
+             */
+            void WriteBoolArray(const char* fieldName, const bool* val, const int32_t len);
+
+            /**
+             * Write 16-byte signed integer. Maps to "short" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            void WriteInt16(const char* fieldName, const int16_t val);
+
+            /**
+             * Write array of 16-byte signed integers. Maps to "short[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Array.
+             * @param len Array length.
+             */
+            void WriteInt16Array(const char* fieldName, const int16_t* val, const int32_t len);
+
+            /**
+             * Write 16-byte unsigned integer. Maps to "char" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            void WriteUInt16(const char* fieldName, const uint16_t val);
+
+            /**
+             * Write array of 16-byte unsigned integers. Maps to "char[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Array.
+             * @param len Array length.
+             */
+            void WriteUInt16Array(const char* fieldName, const uint16_t* val, const int32_t len);
+
+            /**
+             * Write 32-byte signed integer. Maps to "int" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            void WriteInt32(const char* fieldName, const int32_t val);
+
+            /**
+             * Write array of 32-byte signed integers. Maps to "int[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Array.
+             * @param len Array length.
+             */
+            void WriteInt32Array(const char* fieldName, const int32_t* val, const int32_t len);
+
+            /**
+             * Write 64-byte signed integer. Maps to "long" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            void WriteInt64(const char* fieldName, const int64_t val);
+
+            /**
+             * Write array of 64-byte signed integers. Maps to "long[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Array.
+             * @param len Array length.
+             */
+            void WriteInt64Array(const char* fieldName, const int64_t* val, const int32_t len);
+
+            /**
+             * Write float. Maps to "float" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            void WriteFloat(const char* fieldName, const float val);
+
+            /**
+             * Write array of floats. Maps to "float[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Array.
+             * @param len Array length.
+             */
+            void WriteFloatArray(const char* fieldName, const float* val, const int32_t len);
+
+            /**
+             * Write double. Maps to "double" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            void WriteDouble(const char* fieldName, const double val);
+
+            /**
+             * Write array of doubles. Maps to "double[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Array.
+             * @param len Array length.
+             */
+            void WriteDoubleArray(const char* fieldName, const double* val, const int32_t len);
+
+            /**
+             * Write Guid. Maps to "UUID" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            void WriteGuid(const char* fieldName, const Guid val);
+
+            /**
+             * Write array of Guids. Maps to "UUID[]" type in Java.
+             *
+             * @param fieldName Field name.
+             * @param val Array.
+             * @param len Array length.
+             */
+            void WriteGuidArray(const char* fieldName, const Guid* val, const int32_t len);
+
+            /**
+             * Write string.
+             *
+             * @param fieldName Field name.
+             * @param val Null-terminated character sequence.
+             */
+            void WriteString(const char* fieldName, const char* val);
+
+            /**
+             * Write string.
+             *
+             * @param fieldName Field name.
+             * @param val String.
+             * @param len String length (characters).
+             */
+            void WriteString(const char* fieldName, const char* val, const int32_t len);
+
+            /**
+             * Write string.
+             *
+             * @param fieldName Field name.
+             * @param val String.
+             */
+            void WriteString(const char* fieldName, const std::string& val)
+            {
+                WriteString(fieldName, val.c_str());
+            }
+
+            /**
+             * Start string array write.
+             *
+             * @param fieldName Field name.
+             * @return String array writer.
+             */
+            PortableStringArrayWriter WriteStringArray(const char* fieldName);
+
+            /**
+             * Write NULL value.
+             *
+             * @param fieldName Field name.
+             */
+            void WriteNull(const char* fieldName);
+
+            /**
+             * Start array write.
+             *
+             * @param fieldName Field name.
+             * @return Array writer.
+             */
+            template<typename T>
+            PortableArrayWriter<T> WriteArray(const char* fieldName)
+            {
+                int32_t id = impl->WriteArray(fieldName);
+
+                return PortableArrayWriter<T>(impl, id);
+            }
+
+            /**
+             * Start collection write.
+             *
+             * @param fieldName Field name.
+             * @return Collection writer.
+             */
+            template<typename T>
+            PortableCollectionWriter<T> WriteCollection(const char* fieldName)
+            {
+                return WriteCollection<T>(fieldName, GG_COLLECTION_UNDEFINED);
+            }
+
+            /**
+             * Start collection write.
+             *
+             * @param fieldName Field name.
+             * @param type Collection type.
+             * @return Collection writer.
+             */
+            template<typename T>
+            PortableCollectionWriter<T> WriteCollection(const char* fieldName, gridgain::portable::CollectionType typ)
+            {
+                int32_t id = impl->WriteCollection(fieldName, typ);
+
+                return PortableCollectionWriter<T>(impl, id);
+            }
+
+            /**
+             * Start map write.
+             *
+             * @param fieldName Field name.
+             * @param typ Map type.
+             * @return Map writer.
+             */
+            template<typename K, typename V>
+            PortableMapWriter<K, V> WriteMap(const char* fieldName)
+            {
+                return WriteMap<K, V>(fieldName, GG_MAP_UNDEFINED);
+            }
+
+            /**
+             * Start map write.
+             *
+             * @param fieldName Field name.
+             * @param typ Map type.
+             * @return Map writer.
+             */
+            template<typename K, typename V>
+            PortableMapWriter<K, V> WriteMap(const char* fieldName, gridgain::portable::MapType typ)
+            {
+                int32_t id = impl->WriteMap(fieldName, typ);
+
+                return PortableMapWriter<K, V>(impl, id);
+            }
+
+            /**
+             * Write object.
+             *
+             * @param fieldName Field name.
+             * @param val Value.
+             */
+            template<typename T>
+            void WriteObject(const char* fieldName, T val)
+            {
+                impl->WriteObject<T>(fieldName, val);
+            }
+
+            /**
+             * Get raw writer for this reader.
+             *
+             * @return Raw writer.
+             */
+            PortableRawWriter RawWriter();
+        private:
+            /** Implementation delegate. */
+            gridgain::impl::portable::PortableWriterImpl* impl;
+        };
+    }
+}
+
+#endif
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/os/linux/include/Makefile.am
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/os/linux/include/Makefile.am b/modules/platform/src/main/cpp/core/os/linux/include/Makefile.am
new file mode 100644
index 0000000..59a7a69
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/os/linux/include/Makefile.am
@@ -0,0 +1,3 @@
+ACLOCAL_AMFLAGS = "-Im4"
+
+nobase_include_HEADERS = gridgain/impl/utils.h

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/os/linux/include/gridgain/impl/utils.h
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/os/linux/include/gridgain/impl/utils.h b/modules/platform/src/main/cpp/core/os/linux/include/gridgain/impl/utils.h
new file mode 100644
index 0000000..980114f
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/os/linux/include/gridgain/impl/utils.h
@@ -0,0 +1,147 @@
+/*
+ *  Copyright (C) GridGain Systems. All Rights Reserved.
+ *  _________        _____ __________________        _____
+ *  __  ____/___________(_)______  /__  ____/______ ____(_)_______
+ *  _  / __  __  ___/__  / _  __  / _  / __  _  __ `/__  / __  __ \
+ *  / /_/ /  _  /    _  /  / /_/ /  / /_/ /  / /_/ / _  /  _  / / /
+ *  \____/   /_/     /_/   \_,__/   \____/   \__,_/  /_/   /_/ /_/
+ */
+
+#ifndef GRIDGAIN_UTILS
+#define GRIDGAIN_UTILS
+
+#include <cstring>
+#include <string>
+
+#include <ignite/common/common.h>
+
+#ifdef GG_FRIEND
+    #define GG_FRIEND_EXPORT IGNITE_EXPORT
+#else
+    #define GG_FRIEND_EXPORT 
+#endif
+
+namespace gridgain
+{    
+    namespace impl
+    {
+        namespace utils
+        {                
+            /**
+             * Copy characters.
+             *
+             * @param val Value.
+             * @return Result.
+             */
+            GG_FRIEND_EXPORT char* CopyChars(const char* val);
+
+            /**
+             * Release characters.
+             *
+             * @param val Value.
+             */
+            GG_FRIEND_EXPORT void ReleaseChars(char* val);
+            
+            /**
+             * Read system environment variable taking thread-safety in count.
+             *
+             * @param name Environment variable name.
+             * @param found Whether environment variable with such name was found.
+             * @return Environment variable value.
+             */
+            GG_FRIEND_EXPORT std::string GetEnv(const std::string& name, bool* found);
+                                
+            /**
+             * Ensure that file on the given path exists in the system.
+             *
+             * @param path Path.
+             * @return True if file exists, false otherwise.
+             */
+            GG_FRIEND_EXPORT bool FileExists(const std::string& path);
+
+            /**
+             * Attempts to find JVM library to load it into the process later.
+             * First search is performed using the passed path argument (is not NULL).
+             * Then JRE_HOME is evaluated. Last, JAVA_HOME is evaluated.
+             *
+             * @param Explicitly defined path (optional).
+             * @param found Whether library was found.
+             * @return Path to the file.
+             */
+            GG_FRIEND_EXPORT std::string FindJvmLibrary(const std::string* path, bool* found);
+
+            /**
+             * Load JVM library into the process.
+             *
+             * @param path Optional path to the library.
+             * @return Whether load was successful.
+             */
+            GG_FRIEND_EXPORT bool LoadJvmLibrary(const std::string& path);
+
+            /**
+             * Resolve GRIDGAIN_HOME directory. Resolution is performed in several
+             * steps:
+             * 1) Check for path provided as argument.
+             * 2) Check for environment variable.
+             * 3) Check for current working directory.
+             * Result of these 3 checks are evaluated based on existence of certain
+             * predefined folders inside possible GG home. If they are found, 
+             * GRIDGAIN_HOME is considered resolved.
+             *
+             * @param path Optional path to evaluate.
+             * @param found Whether GRIDGAIN_HOME home was found.
+             * @return Resolved GG home.
+             */
+            GG_FRIEND_EXPORT std::string ResolveGridGainHome(const std::string* path, bool* found);
+
+            /**
+             * Create GridGain classpath based on user input and home directory.
+             *
+             * @param usrCp User's classpath.
+             * @param home GridGain home directory.
+             * @return Classpath.
+             */
+            GG_FRIEND_EXPORT std::string CreateGridGainClasspath(const std::string* usrCp, const std::string* home);
+
+            /**
+             * Create GridGain classpath based on user input and home directory.
+             *
+             * @param usrCp User's classpath.
+             * @param home GridGain home directory.
+             * @param test Whether test classpath must be used.
+             * @return Classpath.
+             */
+            GG_FRIEND_EXPORT std::string CreateGridGainClasspath(const std::string* usrCp, const std::string* home, bool test);
+
+            /**
+             * Safe array which automatically reclaims occupied memory when out of scope.
+             */
+            template<typename T>
+            struct GG_FRIEND_EXPORT SafeArray
+            {
+                /**
+                 * Constructor.
+                 */
+                SafeArray(int cap)
+                {
+                    target = new T[cap];
+                }
+
+                /**
+                 * Destructor.
+                 */
+                ~SafeArray()
+                {
+                    delete[] target;
+                }
+
+                IGNITE_NO_COPY_ASSIGNMENT(SafeArray);
+
+                /** Target array. */
+                T* target;
+            };
+        }
+    }    
+}
+
+#endif

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/os/linux/src/impl/utils.cpp
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/os/linux/src/impl/utils.cpp b/modules/platform/src/main/cpp/core/os/linux/src/impl/utils.cpp
new file mode 100644
index 0000000..ae53d9f
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/os/linux/src/impl/utils.cpp
@@ -0,0 +1,440 @@
+/*
+ *  Copyright (C) GridGain Systems. All Rights Reserved.
+ *  _________        _____ __________________        _____
+ *  __  ____/___________(_)______  /__  ____/______ ____(_)_______
+ *  _  / __  __  ___/__  / _  __  / _  / __  _  __ `/__  / __  __ \
+ *  / /_/ /  _  /    _  /  / /_/ /  / /_/ /  / /_/ / _  /  _  / / /
+ *  \____/   /_/     /_/   \_,__/   \____/   \__,_/  /_/   /_/ /_/
+ */
+
+#include <sys/stat.h>
+#include <dirent.h>
+#include <dlfcn.h>
+
+#include "gridgain/impl/utils.h"
+
+namespace gridgain
+{
+    namespace impl
+    {
+        namespace utils
+        {
+            const char* JAVA_HOME = "JAVA_HOME";
+            const char* JAVA_DLL = "/jre/lib/amd64/server/libjvm.so";
+
+            const char* GRIDGAIN_HOME = "GRIDGAIN_HOME";
+
+            const char* PROBE_BIN = "/bin";
+            const char* PROBE_EXAMPLES = "/examples";
+
+            const char* GRIDGAIN_NATIVE_TEST_CLASSPATH = "GRIDGAIN_NATIVE_TEST_CLASSPATH";
+
+            /**
+             * Helper method to set boolean result to reference with proper NULL-check.
+             *
+             * @param res Result.
+             * @param outRes Where to set the result.
+             */
+            inline void SetBoolResult(bool res, bool* outRes)
+            {
+                if (outRes)
+                    *outRes = res;
+            }
+
+            /**
+             * Check if string ends with the given ending.
+             *
+             * @param str String to check.
+             * @param ending Ending.
+             * @return Result.
+             */
+            inline bool StringEndsWith(const std::string& str, const std::string& ending)
+            {
+                if (str.length() > ending.length())
+                    return str.compare(str.length() - ending.length(), ending.length(), ending) == 0;
+
+                return false;
+            }
+                
+            /**
+             * Helper function for GG home resolution. Checks whether certain folders
+             * exist in the path. Optionally goes upwards in directory hierarchy.
+             *
+             * @param path Path to evaluate.
+             * @param up Whether to go upwards.
+             * @res Resolution result.
+             * @return Resolved directory.
+             */
+            std::string ResolveGridGainHome0(const std::string& path, bool up, bool* res)
+            {
+                struct stat pathStat;
+                
+                if (stat(path.c_str(), &pathStat) != -1 && S_ISDIR(pathStat.st_mode)) 
+                {
+                    // Remove trailing slashes, otherwise we will have an infinite loop.
+                    std::string path0 = path;
+
+                    while (true) {
+                        char lastChar = *path0.rbegin();
+
+                        if (lastChar == '/' || lastChar == ' ') {
+                            size_t off = path0.find_last_of(lastChar);
+
+                            path0.erase(off, 1);
+                        }
+                        else
+                            break;
+                    }
+
+                    std::string binStr = path0 + PROBE_BIN;
+                    struct stat binStat;
+
+                    std::string examplesStr = path0 + PROBE_EXAMPLES;
+                    struct stat examplesStat;
+
+                    if (stat(binStr.c_str(), &binStat) != -1 && S_ISDIR(binStat.st_mode) &&
+                        stat(examplesStr.c_str(), &examplesStat) != -1 && S_ISDIR(examplesStat.st_mode))
+                    {
+                        SetBoolResult(true, res);
+
+                        return std::string(path0);
+                    }
+
+                    if (up)
+                    {
+                        // Evaluate parent directory.
+                        size_t slashPos = path0.find_last_of("/");
+
+                        if (slashPos != std::string::npos)
+                        {
+                            std::string parent = path0.substr(0, slashPos);
+
+                            return ResolveGridGainHome0(parent, true, res);
+                        }
+                    }
+
+                }
+
+                SetBoolResult(false, res);
+
+                return std::string();
+            }
+
+            /**
+             * Create classpath picking JARs from the given path.
+             *
+             * @path Path.
+             * @return Classpath;
+             */
+            std::string ClasspathJars(const std::string& path)
+            {
+                std::string res = std::string();
+
+                DIR* dir = opendir(path.c_str());
+
+                if (dir)
+                {
+                    struct dirent* entry;
+
+                    while ((entry = readdir(dir)) != NULL)
+                    {
+                        if (strstr(entry->d_name, ".jar"))
+                        {
+                            res.append(path);
+                            res.append("/");
+                            res.append(entry->d_name);
+                            res.append(":");
+                        }
+                    }
+
+                    closedir(dir);
+                }
+
+                return res;
+            }
+
+            /**
+             * Create classpath picking compiled classes from the given path.
+             *
+             * @path Path.
+             * @return Classpath;
+             */
+            std::string ClasspathExploded(const std::string& path, bool down)
+            {
+                std::string res = std::string();
+
+                if (FileExists(path))
+                {
+                    // 1. Append "target\classes".
+                    std::string classesPath = path + "/target/classes";
+
+                    if (FileExists(classesPath)) {
+                        res += classesPath;
+                        res += ":";
+                    }
+
+                    // 2. Append "target\test-classes"
+                    std::string testClassesPath = path + "/target/test-classes";
+
+                    if (FileExists(testClassesPath)) {
+                        res += testClassesPath;
+                        res += ":";
+                    }
+
+                    // 3. Append "target\libs"
+                    std::string libsPath = path + "/target/libs";
+
+                    if (FileExists(libsPath)) {
+                        std::string libsCp = ClasspathJars(libsPath);
+                        res += libsCp;
+                    }
+
+                    // 4. Do the same for child if needed.
+                    if (down)
+                    {
+                        DIR* dir = opendir(path.c_str());
+
+                        if (dir)
+                        {
+                            struct dirent* entry;
+
+                            while ((entry = readdir(dir)) != NULL)
+                            {
+                                std::string entryPath = entry->d_name;
+
+                                if (entryPath.compare(".") != 0 && entryPath.compare("..") != 0)
+                                {
+                                    std::string entryFullPath = path + "/" + entryPath;
+
+                                    struct stat entryFullStat;
+
+                                    if (stat(entryFullPath.c_str(), &entryFullStat) != -1 && S_ISDIR(entryFullStat.st_mode))
+                                    {
+                                        std::string childCp = ClasspathExploded(entryFullPath, false);
+
+                                        res += childCp;
+                                    }
+                                }
+                            }
+
+                            closedir(dir);
+                        }
+                    }
+                }
+
+                return res;
+            }
+
+            /**
+             * Helper function to create classpath based on GridGain home directory.
+             *
+             * @param home Home directory; expected to be valid.
+             * @param forceTest Force test classpath.
+             */
+            std::string CreateGridGainHomeClasspath(const std::string& home, bool forceTest)
+            {
+                std::string res = std::string();
+
+                // 1. Add exploded test directories.
+                if (forceTest)
+                {
+                    std::string examplesPath = home + "/examples";
+                    std::string examplesCp = ClasspathExploded(examplesPath, true);
+                    res.append(examplesCp);
+
+                    std::string modulesPath = home + "/modules";
+                    std::string modulesCp = ClasspathExploded(modulesPath, true);
+                    res.append(modulesCp);
+
+                    std::string igniteExamplesPath = home + "/../incubator-ignite/examples";
+                    std::string igniteExamplesCp = ClasspathExploded(igniteExamplesPath, true);
+                    res.append(igniteExamplesCp);
+
+                    std::string igniteModulesPath = home + "/../incubator-ignite/modules";
+                    std::string igniteModulesCp = ClasspathExploded(igniteModulesPath, true);
+                    res.append(igniteModulesCp);
+                }
+
+                // 2. Add regular jars from "libs" folder excluding "optional".
+                std::string libsPath = home + "/libs";
+
+                if (FileExists(libsPath))
+                {
+                    res.append(ClasspathJars(libsPath));
+
+                    // Append inner directories.
+                    DIR* dir = opendir(libsPath.c_str());
+
+                    if (dir)
+                    {
+                        struct dirent* entry;
+
+                        while ((entry = readdir(dir)) != NULL)
+                        {
+                            std::string entryPath = entry->d_name;
+
+                            if (entryPath.compare(".") != 0 && entryPath.compare("..") != 0 &&
+                                entryPath.compare("optional") != 0)
+                            {
+                                std::string entryFullPath = libsPath;
+
+                                entryFullPath.append("/");
+                                entryFullPath.append(entryPath);
+
+                                struct stat entryFullStat;
+
+                                if (stat(entryFullPath.c_str(), &entryFullStat) != -1 && 
+                                    S_ISDIR(entryFullStat.st_mode)) 
+                                    res.append(ClasspathJars(entryFullPath));
+                            }                                                              
+                        }
+
+                        closedir(dir);
+                    }
+                }
+
+                // 3. Return.
+                return res;
+            }
+
+            char* CopyChars(const char* val)
+            {
+                if (val) {
+                    size_t len = strlen(val);
+                    char* dest = new char[len + 1];
+                    strcpy(dest, val);
+                    *(dest + len) = 0;
+                    return dest;
+                }
+                else
+                    return NULL;
+            }
+
+            void ReleaseChars(char* val)
+            {
+                if (val)
+                    delete[] val;
+            }
+
+            std::string GetEnv(const std::string& name, bool* found)
+            {
+                char* val = std::getenv(name.c_str());
+                
+                if (val) {
+                    SetBoolResult(true, found);
+                    
+                    return std::string(val);
+                }
+                else {
+                    SetBoolResult(false, found);
+                    
+                    return std::string();
+                }
+            }
+
+            bool FileExists(const std::string& path)
+            {
+                struct stat s;
+                
+                int res = stat(path.c_str(), &s);
+
+                return res != -1;
+            }
+
+            std::string FindJvmLibrary(const std::string* path, bool* found)
+            {
+                SetBoolResult(true, found); // Optimistically assume that we will find it.
+
+                if (path) {
+                    // If path is provided explicitly, then check only it.
+                    if (FileExists(*path))                            
+                        return std::string(path->data());
+                }
+                else
+                {
+                    bool javaEnvFound;
+                    std::string javaEnv = GetEnv(JAVA_HOME, &javaEnvFound);
+
+                    if (javaEnvFound)
+                    {
+                        std::string javaDll = javaEnv + JAVA_DLL;
+
+                        if (FileExists(javaDll))
+                            return std::string(javaDll);
+                    }
+                }
+
+                SetBoolResult(false, found);
+
+                return std::string();
+            }
+
+            bool LoadJvmLibrary(const std::string& path)
+            {
+                void* hnd = dlopen(path.c_str(), RTLD_LAZY);
+                
+                return hnd != NULL;
+            }                
+
+            std::string ResolveGridGainHome(const std::string* path, bool* found)
+            {
+                if (path)
+                    // 1. Check passed argument.
+                    return ResolveGridGainHome0(*path, false, found);
+                else
+                {
+                    // 2. Check environment variable.
+                    bool envFound;
+                    std::string env = GetEnv(GRIDGAIN_HOME, &envFound);
+
+                    if (envFound)
+                        return ResolveGridGainHome0(env, false, found);
+                }
+
+                SetBoolResult(false, found);
+                        
+                return std::string();
+            }
+
+            std::string CreateGridGainClasspath(const std::string* usrCp, const std::string* home)
+            {
+                bool forceTest = false;
+
+                if (home)
+                {
+                    bool envFound;
+                    std::string env = GetEnv(GRIDGAIN_NATIVE_TEST_CLASSPATH, &envFound);
+
+                    forceTest = envFound && env.compare("true") == 0;
+                }
+
+                return CreateGridGainClasspath(usrCp, home, forceTest); 
+            }
+
+            std::string CreateGridGainClasspath(const std::string* usrCp, const std::string* home, bool forceTest)
+            {
+                // 1. Append user classpath if it exists.
+                std::string cp = std::string();
+
+                if (usrCp)
+                {
+                    cp.append(*usrCp);
+
+                    if (*cp.rbegin() != ':')
+                        cp.append(":");
+                }
+
+                // 2. Append home classpath if home is defined.
+                if (home)
+                {
+                    std::string homeCp = CreateGridGainHomeClasspath(*home, forceTest);
+
+                    cp.append(homeCp);
+                }
+
+                // 3. Return.
+                return cp;
+            }
+        }
+    }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/os/win/include/gridgain/impl/utils.h
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/os/win/include/gridgain/impl/utils.h b/modules/platform/src/main/cpp/core/os/win/include/gridgain/impl/utils.h
new file mode 100644
index 0000000..4fa906f
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/os/win/include/gridgain/impl/utils.h
@@ -0,0 +1,147 @@
+/*
+ *  Copyright (C) GridGain Systems. All Rights Reserved.
+ *  _________        _____ __________________        _____
+ *  __  ____/___________(_)______  /__  ____/______ ____(_)_______
+ *  _  / __  __  ___/__  / _  __  / _  / __  _  __ `/__  / __  __ \
+ *  / /_/ /  _  /    _  /  / /_/ /  / /_/ /  / /_/ / _  /  _  / / /
+ *  \____/   /_/     /_/   \_,__/   \____/   \__,_/  /_/   /_/ /_/
+ */
+
+#ifndef GRIDGAIN_UTILS
+#define GRIDGAIN_UTILS
+
+#include <cstring>
+#include <string>
+
+#include <ignite/common/common.h>
+
+#ifdef GG_FRIEND
+    #define GG_FRIEND_EXPORT IGNITE_EXPORT
+#else
+    #define GG_FRIEND_EXPORT 
+#endif
+
+namespace gridgain
+{    
+    namespace impl
+    {
+        namespace utils
+        {                
+            /**
+             * Copy characters.
+             *
+             * @param val Value.
+             * @return Result.
+             */
+            GG_FRIEND_EXPORT char* CopyChars(const char* val);
+
+            /**
+             * Release characters.
+             *
+             * @param val Value.
+             */
+            GG_FRIEND_EXPORT void ReleaseChars(char* val);
+            
+            /**
+             * Read system environment variable taking thread-safety in count.
+             *
+             * @param name Environment variable name.
+             * @param found Whether environment variable with such name was found.
+             * @return Environment variable value.
+             */
+            GG_FRIEND_EXPORT std::string GetEnv(const std::string& name, bool* found);
+                                
+            /**
+             * Ensure that file on the given path exists in the system.
+             *
+             * @param path Path.
+             * @return True if file exists, false otherwise.
+             */
+            GG_FRIEND_EXPORT bool FileExists(const std::string& path);
+
+            /**
+             * Attempts to find JVM library to load it into the process later.
+             * First search is performed using the passed path argument (is not NULL).
+             * Then JRE_HOME is evaluated. Last, JAVA_HOME is evaluated.
+             *
+             * @param Explicitly defined path (optional).
+             * @param found Whether library was found.
+             * @return Path to the file.
+             */
+            GG_FRIEND_EXPORT std::string FindJvmLibrary(const std::string* path, bool* found);
+
+            /**
+             * Load JVM library into the process.
+             *
+             * @param path Optional path to the library.
+             * @return Whether load was successful.
+             */
+            GG_FRIEND_EXPORT bool LoadJvmLibrary(const std::string& path);
+
+            /**
+             * Resolve GRIDGAIN_HOME directory. Resolution is performed in several 
+             * steps:
+             * 1) Check for path provided as argument.
+             * 2) Check for environment variable.
+             * 3) Check for current working directory.
+             * Result of these 3 checks are evaluated based on existence of certain
+             * predefined folders inside possible GG home. If they are found, 
+             * GRIDGAIN_HOME is considered resolved.
+             *
+             * @param path Optional path to evaluate.
+             * @param found Whether GRIDGAIN_HOME home was found.
+             * @return Resolved GG home.
+             */
+            GG_FRIEND_EXPORT std::string ResolveGridGainHome(const std::string* path, bool* found);
+
+            /**
+             * Create GridGain classpath based on user input and home directory.
+             *
+             * @param usrCp User's classpath.
+             * @param home GridGain home directory.
+             * @return Classpath.
+             */
+            GG_FRIEND_EXPORT std::string CreateGridGainClasspath(const std::string* usrCp, const std::string* home);
+
+            /**
+             * Create GridGain classpath based on user input and home directory.
+             *
+             * @param usrCp User's classpath.
+             * @param home GridGain home directory.
+             * @param test Whether test classpath must be used.
+             * @return Classpath.
+             */
+            GG_FRIEND_EXPORT std::string CreateGridGainClasspath(const std::string* usrCp, const std::string* home, bool test);
+
+            /**
+             * Safe array which automatically reclaims occupied memory when out of scope.
+             */
+            template<typename T>
+            struct GG_FRIEND_EXPORT SafeArray
+            {
+                /** Target array. */
+                T* target;
+
+                /**
+                 * Constructor.
+                 */
+                SafeArray(int cap)
+                {
+                    target = new T[cap];
+                }
+
+                /**
+                 * Destructor.
+                 */
+                ~SafeArray()
+                {
+                    delete[] target;
+                }
+
+                IGNITE_NO_COPY_ASSIGNMENT(SafeArray);
+            };
+        }
+    }    
+}
+
+#endif
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/os/win/src/impl/utils.cpp
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/os/win/src/impl/utils.cpp b/modules/platform/src/main/cpp/core/os/win/src/impl/utils.cpp
new file mode 100644
index 0000000..b61368f
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/os/win/src/impl/utils.cpp
@@ -0,0 +1,453 @@
+/*
+ *  Copyright (C) GridGain Systems. All Rights Reserved.
+ *  _________        _____ __________________        _____
+ *  __  ____/___________(_)______  /__  ____/______ ____(_)_______
+ *  _  / __  __  ___/__  / _  __  / _  / __  _  __ `/__  / __  __ \
+ *  / /_/ /  _  /    _  /  / /_/ /  / /_/ /  / /_/ / _  /  _  / / /
+ *  \____/   /_/     /_/   \_,__/   \____/   \__,_/  /_/   /_/ /_/
+ */
+
+#include <windows.h>
+
+#include "gridgain/impl/utils.h"
+
+namespace gridgain
+{
+    namespace impl
+    {
+        namespace utils
+        {
+            const char* JAVA_HOME = "JAVA_HOME";
+            const char* JAVA_DLL = "\\jre\\bin\\server\\jvm.dll";
+
+            const char* GRIDGAIN_HOME = "GRIDGAIN_HOME";
+
+            const char* PROBE_BIN = "\\bin";
+            const char* PROBE_EXAMPLES = "\\examples";
+
+            const char* GRIDGAIN_NATIVE_TEST_CLASSPATH = "GRIDGAIN_NATIVE_TEST_CLASSPATH";
+
+            /**
+             * Helper method to set boolean result to reference with proper NULL-check.
+             *
+             * @param res Result.
+             * @param outRes Where to set the result.
+             */
+            inline void SetBoolResult(bool res, bool* outRes)
+            {
+                if (outRes)
+                    *outRes = res;
+            }
+
+            /**
+             * Check if string ends with the given ending.
+             *
+             * @param str String to check.
+             * @param ending Ending.
+             * @return Result.
+             */
+            inline bool StringEndsWith(const std::string& str, const std::string& ending)
+            {
+                if (str.length() > ending.length())
+                    return str.compare(str.length() - ending.length(), ending.length(), ending) == 0;
+
+                return false;
+            }
+                
+            /**
+             * Helper function for GG home resolution. Checks whether certain folders
+             * exist in the path. Optionally goes upwards in directory hierarchy.
+             *
+             * @param path Path to evaluate.
+             * @param up Whether to go upwards.
+             * @res Resolution result.
+             * @return Resolved directory.
+             */
+            std::string ResolveGridGainHome0(const std::string& path, bool up, bool* res)
+            {
+                DWORD attrs = GetFileAttributesA(path.c_str());
+
+                if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY))
+                {
+                    // Remove trailing slashes, otherwise we will have an infinite loop.
+                    std::string path0 = path;
+
+                    while (true) {
+                        char lastChar = *path0.rbegin();
+
+                        if (lastChar == '/' || lastChar == '\\' || lastChar == ' ') {
+                            size_t off = path0.find_last_of(lastChar);
+
+                            path0.erase(off, 1);
+                        }
+                        else
+                            break;
+                    }
+
+                    std::string binStr = path0 + PROBE_BIN;
+                    DWORD binAttrs = GetFileAttributesA(binStr.c_str());
+
+                    std::string examplesStr = path0 + PROBE_EXAMPLES;
+                    DWORD examplesAttrs = GetFileAttributesA(examplesStr.c_str());
+
+                    if (binAttrs != INVALID_FILE_ATTRIBUTES && (binAttrs & FILE_ATTRIBUTE_DIRECTORY) &&
+                        examplesAttrs != INVALID_FILE_ATTRIBUTES && (examplesAttrs & FILE_ATTRIBUTE_DIRECTORY))
+                    {
+                        SetBoolResult(true, res);
+                        return std::string(path0);
+                    }
+
+                    if (up)
+                    {
+                        // Evaluate parent directory.
+                        size_t slashPos = path0.find_last_of("/\\");
+
+                        if (slashPos != std::string::npos)
+                        {
+                            std::string parent = path0.substr(0, slashPos);
+
+                            return ResolveGridGainHome0(parent, true, res);
+                        }
+                    }
+                }
+
+                SetBoolResult(false, res);
+
+                return std::string();
+            }
+
+            /**
+             * Create classpath picking JARs from the given path.
+             *
+             * @path Path.
+             * @return Classpath;
+             */
+            std::string ClasspathJars(const std::string& path)
+            {
+                std::string searchPath = path + "\\*.jar";
+
+                std::string res = std::string();
+
+                WIN32_FIND_DATAA findData;
+
+                HANDLE hnd = FindFirstFileA(searchPath.c_str(), &findData);
+
+                if (hnd != INVALID_HANDLE_VALUE)
+                {
+                    do
+                    {
+                        res.append(path);
+                        res.append("\\");
+                        res.append(findData.cFileName);
+                        res.append(";");
+                    } while (FindNextFileA(hnd, &findData) != 0);
+
+                    FindClose(hnd);
+                }
+
+                return res;
+            }
+
+            /**
+             * Create classpath picking compiled classes from the given path.
+             *
+             * @path Path.
+             * @return Classpath;
+             */
+            std::string ClasspathExploded(const std::string& path, bool down)
+            {
+                std::string res = std::string();
+
+                if (FileExists(path))
+                {
+                    // 1. Append "target\classes".
+                    std::string classesPath = path + "\\target\\classes";
+
+                    if (FileExists(classesPath)) {
+                        res.append(classesPath);
+                        res.append(";");
+                    }
+
+                    // 2. Append "target\test-classes"
+                    std::string testClassesPath = path + "\\target\\test-classes";
+
+                    if (FileExists(testClassesPath)) {
+                        res.append(testClassesPath);
+                        res.append(";");
+                    }
+
+                    // 3. Append "target\libs"
+                    std::string libsPath = path + "\\target\\libs";
+
+                    if (FileExists(libsPath)) {
+                        std::string libsCp = ClasspathJars(libsPath);
+                        res.append(libsCp);
+                    }
+
+                    // 4. Do the same for child if needed.
+                    if (down)
+                    {
+                        std::string searchPath = path + "\\*";
+
+                        WIN32_FIND_DATAA findData;
+
+                        HANDLE hnd = FindFirstFileA(searchPath.c_str(), &findData);
+
+                        if (hnd != INVALID_HANDLE_VALUE)
+                        {
+                            do
+                            {
+                                if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+                                {
+                                    std::string childPath = findData.cFileName;
+
+                                    if (childPath.compare(".") != 0 &&
+                                        childPath.compare("..") != 0)
+                                    {
+                                        std::string childCp =
+                                            ClasspathExploded(path + "\\" + childPath, false);
+
+                                        res.append(childCp);
+                                    }
+                                }
+                            } while (FindNextFileA(hnd, &findData) != 0);
+
+                            FindClose(hnd);
+                        }
+                    }
+                }
+
+                return res;
+            }
+
+            /**
+             * Helper function to create classpath based on GridGain home directory.
+             *
+             * @param home Home directory; expected to be valid.
+             * @param forceTest Force test classpath.
+             */
+            std::string CreateGridGainHomeClasspath(const std::string& home, bool forceTest)
+            {
+                std::string res = std::string();
+
+                // 1. Add exploded test directories.
+                if (forceTest)
+                {
+                    std::string examplesPath = home + "\\examples";
+                    std::string examplesCp = ClasspathExploded(examplesPath, true);
+                    res.append(examplesCp);
+
+                    std::string modulesPath = home + "\\modules";
+                    std::string modulesCp = ClasspathExploded(modulesPath, true);
+                    res.append(modulesCp);
+
+                    std::string igniteExamplesPath = home + "\\..\\incubator-ignite\\examples";
+                    std::string igniteExamplesCp = ClasspathExploded(igniteExamplesPath, true);
+                    res.append(igniteExamplesCp);
+
+                    std::string igniteModulesPath = home + "\\..\\incubator-ignite\\modules";
+                    std::string igniteModulesCp = ClasspathExploded(igniteModulesPath, true);
+                    res.append(igniteModulesCp);
+                }
+
+                // 2. Add regular jars from "libs" folder excluding "optional".
+                std::string libsPath = home + "\\libs";
+
+                if (FileExists(libsPath))
+                {
+                    res.append(ClasspathJars(libsPath));
+
+                    // Append inner directories.
+                    std::string libsSearchPath = libsPath + "\\*";
+
+                    WIN32_FIND_DATAA libsFindData;
+
+                    HANDLE libsHnd = FindFirstFileA(libsSearchPath.c_str(), &libsFindData);
+
+                    if (libsHnd != INVALID_HANDLE_VALUE)
+                    {
+                        do
+                        {
+                            if (libsFindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+                            {
+                                std::string libsChildPath = libsFindData.cFileName;
+
+                                if (libsChildPath.compare(".") != 0 &&
+                                    libsChildPath.compare("..") != 0 &&
+                                    libsChildPath.compare("optional") != 0) {
+                                    std::string libsFolder = libsPath + "\\" + libsChildPath;
+
+                                    res.append(ClasspathJars(libsFolder));
+                                }
+                            }
+                        } while (FindNextFileA(libsHnd, &libsFindData) != 0);
+
+                        FindClose(libsHnd);
+                    }
+                }
+
+                // 3. Return.
+                return res;
+            }
+
+            char* CopyChars(const char* val)
+            {
+                if (val) {
+                    size_t len = strlen(val);
+                    char* dest = new char[len + 1];
+                    strcpy(dest, val);
+                    *(dest + len) = 0;
+                    return dest;
+                }
+                else
+                    return NULL;
+            }
+
+            void ReleaseChars(char* val)
+            {
+                if (val)
+                    delete[] val;
+            }
+
+            std::string GetEnv(const std::string& name, bool* found)
+            {
+                char res0[32767];
+
+                DWORD envRes = GetEnvironmentVariableA(name.c_str(), res0, 32767);
+
+                if (envRes != 0)
+                {
+                    SetBoolResult(true, found);
+
+                    return std::string(res0);
+                }
+                else 
+                {
+                    SetBoolResult(false, found);
+
+                    return std::string();
+                }
+            }
+
+            bool FileExists(const std::string& path)
+            {
+                WIN32_FIND_DATAA findres;
+
+                HANDLE hnd = FindFirstFileA(path.c_str(), &findres);
+
+                if (hnd == INVALID_HANDLE_VALUE)
+                    return false;
+                else
+                {
+                    FindClose(hnd);
+
+                    return true;
+                }
+            }
+
+            std::string FindJvmLibrary(const std::string* path, bool* found)
+            {
+                SetBoolResult(true, found); // Optimistically assume that we will find it.
+
+                if (path) {
+                    // If path is provided explicitly, then check only it.
+                    if (FileExists(*path))                            
+                        return std::string(path->data());
+                }
+                else
+                {
+                    bool javaEnvFound;
+                    std::string javaEnv = GetEnv(JAVA_HOME, &javaEnvFound);
+
+                    if (javaEnvFound)
+                    {
+                        std::string javaDll = javaEnv + JAVA_DLL;
+
+                        if (FileExists(javaDll))
+                            return std::string(javaDll);
+                    }
+                }
+
+                *found = false; 
+
+                return std::string();
+            }
+
+            bool LoadJvmLibrary(const std::string& path)
+            {
+                HMODULE mod = LoadLibraryA(path.c_str());
+
+                return mod != NULL;
+            }                
+
+            std::string ResolveGridGainHome(const std::string* path, bool* found)
+            {
+                if (path)
+                    // 1. Check passed argument.
+                    return ResolveGridGainHome0(*path, false, found);
+                else
+                {
+                    // 2. Check environment variable.
+                    bool envFound;
+                    std::string env = GetEnv(GRIDGAIN_HOME, &envFound);
+
+                    if (envFound)
+                        return ResolveGridGainHome0(env, false, found);
+
+                    // 3. Check current work dir.
+                    const DWORD curDirLen = GetCurrentDirectory(0, NULL);
+                        
+                    char* curDir = new char[curDirLen];
+
+                    GetCurrentDirectoryA(curDirLen, curDir);
+
+                    std::string curDirStr = curDir;
+
+                    delete[] curDir;
+
+                    return ResolveGridGainHome0(curDirStr, true, found);
+                }
+            }
+
+            std::string CreateGridGainClasspath(const std::string* usrCp, const std::string* home)
+            {
+                bool forceTest = false;
+
+                if (home)
+                {
+                    bool envFound;
+                    std::string env = GetEnv(GRIDGAIN_NATIVE_TEST_CLASSPATH, &envFound);
+
+                    forceTest = envFound && env.compare("true") == 0;
+                }
+
+                return CreateGridGainClasspath(usrCp, home, forceTest); 
+            }
+
+            std::string CreateGridGainClasspath(const std::string* usrCp, const std::string* home, bool forceTest)
+            {
+                // 1. Append user classpath if it exists.
+                std::string cp = std::string();
+
+                if (usrCp)
+                {
+                    cp.append(*usrCp);
+
+                    if (*cp.rbegin() != ';')
+                        cp.append(";");
+                }
+
+                // 2. Append home classpath if home is defined.
+                if (home)
+                {
+                    std::string homeCp = CreateGridGainHomeClasspath(*home, forceTest);
+
+                    cp.append(homeCp);
+                }
+
+                // 3. Return.
+                return cp;
+            }
+        }
+    }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/project/README.TXT
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/project/README.TXT b/modules/platform/src/main/cpp/core/project/README.TXT
new file mode 100644
index 0000000..97f4c64
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/project/README.TXT
@@ -0,0 +1 @@
+Contains IDE projects artifacts.

http://git-wip-us.apache.org/repos/asf/ignite/blob/1e18fa32/modules/platform/src/main/cpp/core/project/vs/README.TXT
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/project/vs/README.TXT b/modules/platform/src/main/cpp/core/project/vs/README.TXT
new file mode 100644
index 0000000..f4fb456
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/project/vs/README.TXT
@@ -0,0 +1 @@
+Contains Visual Studio project artifacts.
\ No newline at end of file