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## org.apache.cayenne.access.jdbc
Class ChunkDirective

    java.lang.Object
      org.apache.velocity.runtime.directive.Directive
          org.apache.cayenne.access.jdbc.ChunkDirective

All Implemented Interfaces:
  Cloneable, org.apache.velocity.runtime.directive.DirectiveConstants

    public class ChunkDirective

extends org.apache.velocity.runtime.directive.Directive

A custom Velocity directive to describe a conditional chunk of a `chain`. Usage of chunk is the following:

     #chunk()...#end - e.g. #chunk()A = 5#end
     #chunk(condition)...#end - e.g. #chunk($a)A = $a#end

If condition is evaluated to false, chunk is not included in the chain, if it is true, chunk is included, and if it is not the first chunk, it is prefixed with chain join.

Since:
  1.1

Field Summary

Fields inherited from class org.apache.velocity.runtime.directive.Directive
`rsvc`

Fields inherited from interface org.apache.velocity.runtime.directive.DirectiveConstants
`BLOCK, LINE`

Constructor Summary
`ChunkDirective()`

Method Summary
`String` | `getName()`
`int` | `getType()`
`boolean` | `render(org.apache.velocity.context.InternalContextAdapter context, Writer writer, org.apache.velocity.runtime.parser.node.Node node)`

Methods inherited from class org.apache.velocity.runtime.directive.Directive
`getColumn, getLine, init, setLocation`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ChunkDirective

    public ChunkDirective()

Method Detail

### getName

    public String getName()

  Specified by:
    `getName` in class `org.apache.velocity.runtime.directive.Directive`

### getType

    public int getType()

  Specified by:
    `getType` in class `org.apache.velocity.runtime.directive.Directive`

### render

    public boolean render(org.apache.velocity.context.InternalContextAdapter context,
                          Writer writer,
                          org.apache.velocity.runtime.parser.node.Node node)
                   throws IOException,
                          org.apache.velocity.exception.ResourceNotFoundException,
                          org.apache.velocity.exception.ParseErrorException,
                          org.apache.velocity.exception.MethodInvocationException

  Specified by:
    `render` in class `org.apache.velocity.runtime.directive.Directive`
  Throws:
    `IOException`
    `org.apache.velocity.exception.ResourceNotFoundException`
    `org.apache.velocity.exception.ParseErrorException`
    `org.apache.velocity.exception.MethodInvocationException`

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