Examples of org.qi4j.api.common.MetaInfo

org.qi4j.api.common.MetaInfo
Used to declare and access meta-info.
This is effectively an internal class and should not be used directly.

MetaInfo can be set on composites during the assembly phase, a.k.a the bootstrap process. MetaInfo is any additional data that one wishes to associate at the 'class level' instead of instance level of a composite declaration.

To set the MetaInfo on a Composite, call the {@code setMetaInfo()} methods on the various composite declarationtypes, such as;
public void assemble( ModuleAssembly module ) throws AssemblyException { Map properties = ...; module.services( MyService.class ).setMetaInfo( properties ); }
which can later be retrieved by calling the {@code metaInfo()} method on the composite itself. For the exampleabove that would be;
@Mixins(MyServiceMixin.class) public interface MyService extends ServiceComposite { } public abstract class MyServiceMixin implements MyService { private Properties props; public MyServiceMixin() { props = metaInfo( Map.class ); } }

    {
        this.stateDeclarations = stateDeclarations;
        this.helper = helper;
        for( Class<?> compositeType : types )
        {
            metaInfo = new MetaInfo( metaInfo ).withAnnotations( compositeType );
            addAnnotationsMetaInfo( compositeType, metaInfo );
        }


        immutable = metaInfo.get( Immutable.class ) != null;
        propertiesModel = new PropertiesModel();

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        ValueConstraintsInstance valueConstraintsInstance = null;
        if( valueConstraintsModel.isConstrained() )
        {
            valueConstraintsInstance = valueConstraintsModel.newInstance();
        }
        MetaInfo metaInfo = stateDeclarations.metaInfoFor( accessor );
        Object initialValue = stateDeclarations.initialValueOf( accessor );
        boolean useDefaults = metaInfo.get( UseDefaults.class ) != null || stateDeclarations.useDefaults( accessor );
        boolean immutable = this.immutable || metaInfo.get( Immutable.class ) != null;
        PropertyModel propertyModel = new PropertyModel(
            accessor,
            immutable,
            useDefaults,
            valueConstraintsInstance,

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        ValueConstraintsInstance valueConstraintsInstance = null;
        if( valueConstraintsModel.isConstrained() )
        {
            valueConstraintsInstance = valueConstraintsModel.newInstance();
        }
        MetaInfo metaInfo = stateDeclarations.metaInfoFor( accessor );
        boolean useDefaults = metaInfo.get( UseDefaults.class ) != null || stateDeclarations.useDefaults( accessor );
        Object initialValue = stateDeclarations.initialValueOf( accessor );
        return new PropertyModel( accessor, true, useDefaults, valueConstraintsInstance, metaInfo, initialValue );
    }

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        if( valueConstraintsModel.isConstrained() )
        {
            associationValueConstraintsInstance = valueConstraintsModel.newInstance();
        }


        MetaInfo metaInfo = stateDeclarations.metaInfoFor( accessor );
        AssociationModel associationModel = new AssociationModel( accessor, valueConstraintsInstance, associationValueConstraintsInstance, metaInfo );
        return associationModel;
    }

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        ValueConstraintsInstance manyValueConstraintsInstance = null;
        if( valueConstraintsModel.isConstrained() )
        {
            manyValueConstraintsInstance = valueConstraintsModel.newInstance();
        }
        MetaInfo metaInfo = stateDeclarations.metaInfoFor( accessor );
        ManyAssociationModel associationModel = new ManyAssociationModel( accessor, valueConstraintsInstance, manyValueConstraintsInstance, metaInfo );
        return associationModel;
    }

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        ValueConstraintsInstance namedValueConstraintsInstance = null;
        if( valueConstraintsModel.isConstrained() )
        {
            namedValueConstraintsInstance = valueConstraintsModel.newInstance();
        }
        MetaInfo metaInfo = stateDeclarations.metaInfoFor( accessor );
        NamedAssociationModel associationModel = new NamedAssociationModel( accessor, valueConstraintsInstance, namedValueConstraintsInstance, metaInfo );
        return associationModel;
    }

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    public MetaInfo metaInfo()
    {
        if( metaInfo == null )
        {
            metaInfo = new MetaInfo();
        }


        return metaInfo;
    }

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        ValueConstraintsInstance valueConstraintsInstance = null;
        if( valueConstraintsModel.isConstrained() )
        {
            valueConstraintsInstance = valueConstraintsModel.newInstance();
        }
        MetaInfo metaInfo = stateDeclarations.metaInfoFor( accessor );
        Object defaultValue = stateDeclarations.initialValueOf( accessor );
        boolean useDefaults = metaInfo.get( UseDefaults.class ) != null || stateDeclarations.useDefaults( accessor );
        boolean immutable = this.immutable || metaInfo.get( Immutable.class ) != null;
        PropertyModel propertyModel = new PropertyModel( accessor, immutable, useDefaults, valueConstraintsInstance, metaInfo, defaultValue );
        return propertyModel;
    }

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        if( valueConstraintsModel.isConstrained() )
        {
            associationValueConstraintsInstance = valueConstraintsModel.newInstance();
        }


        MetaInfo metaInfo = associationDeclarations.metaInfoFor( accessor );
        AssociationModel associationModel = new AssociationModel( accessor, valueConstraintsInstance, associationValueConstraintsInstance, metaInfo );
        return associationModel;
    }

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        ValueConstraintsInstance manyValueConstraintsInstance = null;
        if( valueConstraintsModel.isConstrained() )
        {
            manyValueConstraintsInstance = valueConstraintsModel.newInstance();
        }
        MetaInfo metaInfo = manyAssociationDeclarations.metaInfoFor( accessor );
        ManyAssociationModel associationModel = new ManyAssociationModel( accessor, valueConstraintsInstance, manyValueConstraintsInstance, metaInfo );
        return associationModel;
    }

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Related Classes of org.qi4j.api.common.MetaInfo

org.qi4j.bootstrap.MetaInfoDeclaration

org.qi4j.bootstrap.MetaInfoDeclaration$InfoHolder

org.qi4j.runtime.bootstrap.CompositeAssemblyImpl

org.qi4j.runtime.bootstrap.EntityAssemblyImpl

org.qi4j.runtime.bootstrap.ImportedServiceAssemblyImpl

org.qi4j.runtime.bootstrap.ModuleAssemblyImpl

org.qi4j.runtime.bootstrap.ServiceAssemblyImpl

org.qi4j.runtime.bootstrap.TransientAssemblyImpl

org.qi4j.runtime.bootstrap.ValueAssemblyImpl

org.qi4j.runtime.structure.ApplicationModel

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