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Client APIs and toolsYou can use the HCL OneDB™ implementation of client APIs to develop applications for HCL OneDB™ database servers.
HCL OneDB™ JDBC Driver GuideThe HCL OneDB™ JDBC Driver Programmer's Guide describes how to install, load, and use HCL OneDB™ JDBC Driver to connect to the HCL OneDB™ database from within a Java™ application.
Appendixes
Convert internal HCL OneDB™ data typesFor your Java™ application to work with the internal server representation of HCL OneDB™ data types, use the IfxToJavaType class. For example, if your application is using the HCL® OneDB® Change Data Capture API, you can use the IfxToJavaType class to interpret the byte stream.
The IfxToJavaType classThe IfxToJavaType class handles all the HCL OneDB™ to Java™ data type conversions. Separate methods are provided for converting each HCL OneDB™ data type.
The IfxToJavaLongInt() methodThe IfxToJavaLongInt() method converts the HCL OneDB™ INT8 data type to the Java™ long data type.

The IfxToJavaLongInt() method

The IfxToJavaLongInt() method converts the HCL OneDB™ INT8 data type to the Java™ long data type.

Method signature

public  static long IfxToJavaLongInt(byte b [], short prec)
public  static long IfxToJavaLongInt(byte b [])
public  static long IfxToJavaLongInt(byte buf [], int offset, int length,
        short prec)
public  static long IfxToJavaLongInt(byte buf [], int offset)

Input parameters

b and buf: The bytes encoding data
offset: The offset into byte array.
prec: The precision as received from HCL OneDB.
length: The data length.