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## org.biojava.bio.program.tagvalue
Class AnnotationBuilder

    java.lang.Object
      org.biojava.bio.program.tagvalue.AnnotationBuilder

All Implemented Interfaces:
  TagValueListener

    public class AnnotationBuilder

extends Object
implements TagValueListener

Builds an Annotation tree from TagValue events using an AnnotationType to work out which fields are of what type.

Since:
  1.2
Author:
  Matthew Pocock

Constructor Summary
`AnnotationBuilder(AnnotationType type)` Make a new AnnotationBuilder that will build Annotation instances of a given type.

Method Summary
`void` | `endRecord()` The current record has ended.
`void` | `endTag()` End the current tag.
`Annotation` | `getLast()` Get the last complete annotation built.
`void` | `startRecord()` A new record is about to start.
`void` | `startTag(Object tag)` Start a new tag.
`void` | `value(TagValueContext ctxt, Object value)` A value has been seen.

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

Constructor Detail

### AnnotationBuilder

    public AnnotationBuilder(AnnotationType type)

  Make a new AnnotationBuilder that will build Annotation instances of a given type.

  The type is used to provide appropriate accessors for properties. As tag -value events stream through this TagValueListener, they will be matched against the properties of the annotation type. As sub-trees of events are pushed, child annotation bundles will be pushed into the appropriate properties. If any of the tag-value events are of a type that are not accepted by the annotation type, a ClassCastException will be thrown.

  Parameters:
    `type` - the AnnotationType stating what will be built and how
  Throws:
    `ClassCastException` - if any of the tag-value events are of inappropriate type

Method Detail

### getLast

    public Annotation getLast()

  Get the last complete annotation built.

  The value of this is undefined before the first annotation has been built and during the parsing of an event stream.

  Returns:
    the Annotation that was last built

### startRecord

    public void startRecord()

  Description copied from interface: `TagValueListener`
  A new record is about to start.

  Specified by:
    `startRecord` in interface `TagValueListener`

### endRecord

    public void endRecord()

  Description copied from interface: `TagValueListener`
  The current record has ended.

  Specified by:
    `endRecord` in interface `TagValueListener`

### startTag

    public void startTag(Object tag)

  Description copied from interface: `TagValueListener`
  Start a new tag.

  Specified by:
    `startTag` in interface `TagValueListener`
  Parameters:
    `tag` - the Object representing the new tag

### value

    public void value(TagValueContext ctxt,
                      Object value)

  Description copied from interface: `TagValueListener`
  A value has been seen.

  Specified by:
    `value` in interface `TagValueListener`
  Parameters:
    `ctxt` - a TagValueContext that could be used to push a sub-document
    `value` - the value Object observed

### endTag

    public void endTag()

  Description copied from interface: `TagValueListener`
  End the current tag.

  Specified by:
    `endTag` in interface `TagValueListener`

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