Package groovy.transform.builder
Class ExternalStrategy
- java.lang.Object
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- org.codehaus.groovy.transform.BuilderASTTransformation.AbstractBuilderStrategy
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- groovy.transform.builder.ExternalStrategy
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- All Implemented Interfaces:
BuilderASTTransformation.BuilderStrategy
public class ExternalStrategy extends BuilderASTTransformation.AbstractBuilderStrategy
This strategy is used with theBuilderAST transform to populate a builder helper class so that it can be used for the fluent creation of instances of a specified class. The specified class is not modified in any way and may be a Java class. You use it by creating and annotating an explicit builder class which will be filled in by during annotation processing with the appropriate build method and setters. An example is shown here:import groovy.transform.builder.* class Person { String firstName String lastName }The@Builder(builderStrategy=ExternalStrategy, forClass=Person) class PersonBuilder { } def person = new PersonBuilder().firstName("Robert").lastName("Lewandowski").build() assert person.firstName == "Robert" assert person.lastName == "Lewandowski"prefixannotation attribute, which defaults to the empty String for this strategy, can be used to create setters with a different naming convention, e.g. with theprefixchanged to 'set', you would use your setters as follows:def p1 = new PersonBuilder().setFirstName("Robert").setLastName("Lewandowski").setAge(21).build()or using a prefix of 'with':def p2 = new PersonBuilder().withFirstName("Robert").withLastName("Lewandowski").withAge(21).build()The properties to use can be filtered using either the 'includes' or 'excludes' annotation attributes for@Builder. The@Builder'buildMethodName' annotation attribute can be used for configuring the build method's name, default "build". The@Builder'builderMethodName' and 'builderClassName' annotation attributes aren't applicable for this strategy. The@Builder'useSetters' annotation attribute is ignored by this strategy which always uses setters.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.codehaus.groovy.transform.BuilderASTTransformation.AbstractBuilderStrategy
BuilderASTTransformation.AbstractBuilderStrategy.PropertyInfo
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Constructor Summary
Constructors Constructor Description ExternalStrategy()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidbuild(BuilderASTTransformation transform, AnnotatedNode annotatedNode, AnnotationNode anno)-
Methods inherited from class org.codehaus.groovy.transform.BuilderASTTransformation.AbstractBuilderStrategy
checkKnownField, checkKnownProperty, getFields, getIncludeExclude, getPropertyInfoFromBeanInfo, getPropertyInfoFromClassNode, getPropertyInfoFromClassNode, getPropertyInfoFromClassNode, getPropertyInfos, getSetterName, unsupportedAttribute, unsupportedAttribute
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Method Detail
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build
public void build(BuilderASTTransformation transform, AnnotatedNode annotatedNode, AnnotationNode anno)
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