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Override getDefault, to return a NOOP instance

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darin.kelkhoff
2025-01-14 10:53:53 -06:00
parent e012b1f090
commit f4b54518fa
1 changed files with 34 additions and 0 deletions
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34
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/fields/FieldDisplayBehavior.java
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@ -22,11 +22,45 @@
package com.kingsrook.qqq.backend.core.model.metadata.fields; package com.kingsrook.qqq.backend.core.model.metadata.fields;
import java.util.List;
import com.kingsrook.qqq.backend.core.actions.values.ValueBehaviorApplier;
import com.kingsrook.qqq.backend.core.model.data.QRecord;
import com.kingsrook.qqq.backend.core.model.metadata.QInstance;
import com.kingsrook.qqq.backend.core.model.metadata.tables.QTableMetaData;
/******************************************************************************* /*******************************************************************************
** Interface to mark a field behavior as one to be used during generating ** Interface to mark a field behavior as one to be used during generating
** display values. ** display values.
*******************************************************************************/ *******************************************************************************/
public interface FieldDisplayBehavior<T extends FieldDisplayBehavior<T>> extends FieldBehavior<T> public interface FieldDisplayBehavior<T extends FieldDisplayBehavior<T>> extends FieldBehavior<T>
{ {
NoopFieldDisplayBehavior NOOP = new NoopFieldDisplayBehavior();
/***************************************************************************
**
***************************************************************************/
@Override
@SuppressWarnings("unchecked")
default T getDefault()
{
return (T) NOOP;
}
/***************************************************************************
** a default implementation for this behavior type, which does nothing.
***************************************************************************/
class NoopFieldDisplayBehavior implements FieldDisplayBehavior<NoopFieldDisplayBehavior>
{
/***************************************************************************
**
***************************************************************************/
@Override
public void apply(ValueBehaviorApplier.Action action, List<QRecord> recordList, QInstance instance, QTableMetaData table, QFieldMetaData field)
{
}
}
} }