Package org.datanucleus.enhancer.methods
Class NewObjectIdInstance2
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- org.datanucleus.enhancer.ClassMethod
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- org.datanucleus.enhancer.methods.NewObjectIdInstance2
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public class NewObjectIdInstance2 extends ClassMethod
Method to generate the method "dnNewObjectIdInstance" using ASM. For datastore/nondurable identity this ispublic Object dnNewObjectIdInstance(Object key) { return null; }
and for SingleFieldIdentitypublic Object dnNewObjectIdInstance(Object key) { if (key == null) throw new IllegalArgumentException("key is null"); if (key instanceof String != true) return new YYYIdentity(this.getClass(), (YYY) key); return new YYYIdentity(this.getClass(), (String) key); }
and for user-supplied object idspublic Object dnNewObjectIdInstance(Object key) { return new UserPrimaryKey((String) key); }
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Field Summary
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Fields inherited from class org.datanucleus.enhancer.ClassMethod
access, argNames, argTypes, enhancer, exceptions, methodName, returnType, visitor
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Constructor Summary
Constructors Constructor Description NewObjectIdInstance2(ClassEnhancer enhancer, String name, int access, Object returnType, Object[] argTypes, String[] argNames)
Constructor.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
execute()
Method to add the contents of the class method.static NewObjectIdInstance2
getInstance(ClassEnhancer enhancer)
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Methods inherited from class org.datanucleus.enhancer.ClassMethod
close, equals, getAccess, getClassEnhancer, getDescriptor, getMethodAdditionMessage, getName, getNamer, hashCode, initialise, initialise
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Constructor Detail
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NewObjectIdInstance2
public NewObjectIdInstance2(ClassEnhancer enhancer, String name, int access, Object returnType, Object[] argTypes, String[] argNames)
Constructor.- Parameters:
enhancer
- ClassEnhancername
- Name of methodaccess
- Access typereturnType
- Return typeargTypes
- Argument typesargNames
- Argument names
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Method Detail
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getInstance
public static NewObjectIdInstance2 getInstance(ClassEnhancer enhancer)
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execute
public void execute()
Method to add the contents of the class method.- Specified by:
execute
in classClassMethod
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