Unique Indexes In 1. A foreign key can also be specified to reference a target table without naming the target column s. In this case the primary key column s of the target table is used as the referenced column s.
The full location of the build file. The example presented in this chapter uses the ant. Ant - Data Types Ant provides a number of predefined data types. Do not confuse the term "data types" with those that are available in the programming language, instead consider them as a set of services that are built into the product already.
The following data types are provided by Apache Ant. Fileset The fileset data types represents a collection of files. It is used as a filter to include or exclude files that match a particular pattern.
For example, refer the following code. Here, the src attribute points to the source folder of the project. The fileset selects all. The case-sensitive filter is applied to the fileset which means a file with the name Samplestub.
Patterns can be created using the following meta characters: The following example depicts the usage of a pattern set.
Let us see the following example of the filelist data type. Here, the attribute webapp. A common example is to append the version number to the release notes file, as shown in the following code.
The copy task, as the name suggests, is used to copy files from one location to another. Path The path data type is commonly used to represent a class-path. Entries in the path are separated using semicolons or colons. The classpath is set to the list of jar files and classes in the project, as shown in the example below.
Ant - Building Projects Now that we have learnt about the data types in Ant, it is time to put that knowledge into action. We will build a project in this chapter. Consider the following project structure: The database scripts are stored in the db folder.
The java source code is stored in the src folder. The JSPs are stored in the jsp folder. The third party jar files are stored in the lib folder.
This project forms the Hello World Fax Application for the rest of this tutorial. Let us consider it piece by piece. Properties can refer to other properties. As shown in the above example, the build. In this example, the src.
The default target of our project is the compile target. But first let us look at the clean target. The clean target, as the name suggests, deletes the files in the build folder.
In this case, it includes the classes in the build folder and the jar files in the lib folder. First of all, we create the build directory, if it does not exist. Then we execute the javac command specifying jdk1. We supply the source folder and the classpath to the javac task and ask it to drop the class files in the build folder.
The following outcome is the result of running the Ant file: Ant - Build Documentation Documentation is a must in any project.I want to create a build configuration using Ant, to copy files from the project folder to a specific output path.
How is this possible using eclipse builders? eclipse ant. Is there a way to copy the time sheet from a directory on a server and then overwrite the old copy on the users machine and attach it to a scheduled task so I don't have to reach out to each user every time I update the time sheet?
I am developing in eclipse websites in php. I want to create a build configuration using Ant, to copy files from the project folder to a specific output path. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site.
How to force ant javac task to overwrite the class file in the destination directory? Is there a way to force the javac task in the javac2 target to compile the source file in Directory2 and overwrite the class file in Other possible way to avoid this is create a stage directory and compile the classes there and copy back to original.
In the introductory tutorial you learned how to create simple tasks. You also learned how to add additional behavior to these tasks later on, and you learned how to create dependencies between tasks.
This was all about simple tasks, but Gradle takes the concept of tasks further.