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java.lang.Objectorg.apache.openjpa.lib.util.ConcreteClassGenerator
public class ConcreteClassGenerator
Dynamically generates concrete implementations of abstract classes.
| Constructor Summary | |
|---|---|
ConcreteClassGenerator()
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| Method Summary | ||
|---|---|---|
static
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getConcreteConstructor(Class<T> abstractClass,
Class<?>... argTypes)
Get the constructor of the concrete, dynamic wrapper class of the given abstract class with matching argument types. |
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static
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makeConcrete(Class<T> abstractClass)
Takes an abstract class and returns a concrete implementation. |
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static
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newInstance(Class<T> c)
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static
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newInstance(Class<T> c,
Class<?>[] paramTypes,
Object[] params)
Utility method for safely invoking a constructor that we do not expect to throw exceptions. |
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static
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newInstance(Class<T> c,
Class<? extends P> paramType,
P param)
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static
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newInstance(Class<T> c,
Class<? extends P1> paramType1,
P1 param1,
Class<? extends P2> paramType2,
P2 param2)
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static
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newInstance(Class<T> c,
Class<? extends P1> paramType1,
P1 param1,
Class<? extends P2> paramType2,
P2 param2,
Class<? extends P3> paramType3,
P3 param3)
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static
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newInstance(Class<T> c,
Class<? extends P1> paramType1,
P1 param1,
Class<? extends P2> paramType2,
P2 param2,
Class<? extends P3> paramType3,
P3 param3,
Class<? extends P4> paramType4,
P4 param4)
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static
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newInstance(Constructor<T> cons,
Object... params)
Construct a new instance by the given constructor and its arguments. |
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| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ConcreteClassGenerator()
| Method Detail |
|---|
public static <T> Constructor<T> getConcreteConstructor(Class<T> abstractClass,
Class<?>... argTypes)
throws ClassNotFoundException
the - argTypes of the constructor to look for. null signify default constructor.
ClassNotFoundException
public static <T> Class<? extends T> makeConcrete(Class<T> abstractClass)
throws ClassNotFoundException
AbstractMethodError.
abstractClass - the abstract class
ClassNotFoundException
public static <T> T newInstance(Constructor<T> cons,
Object... params)
public static <T> T newInstance(Class<T> c,
Class<?>[] paramTypes,
Object[] params)
c - the class to constructparamTypes - the types of the parametersparams - the parameter values
public static <T> T newInstance(Class<T> c)
newInstance(java.lang.Class,java.lang.Class[],java.lang.Object[])
public static <T,P> T newInstance(Class<T> c,
Class<? extends P> paramType,
P param)
newInstance(java.lang.Class,java.lang.Class[],java.lang.Object[])
public static <T,P1,P2> T newInstance(Class<T> c,
Class<? extends P1> paramType1,
P1 param1,
Class<? extends P2> paramType2,
P2 param2)
newInstance(java.lang.Class,java.lang.Class[],java.lang.Object[])
public static <T,P1,P2,P3> T newInstance(Class<T> c,
Class<? extends P1> paramType1,
P1 param1,
Class<? extends P2> paramType2,
P2 param2,
Class<? extends P3> paramType3,
P3 param3)
newInstance(java.lang.Class,java.lang.Class[],java.lang.Object[])
public static <T,P1,P2,P3,P4> T newInstance(Class<T> c,
Class<? extends P1> paramType1,
P1 param1,
Class<? extends P2> paramType2,
P2 param2,
Class<? extends P3> paramType3,
P3 param3,
Class<? extends P4> paramType4,
P4 param4)
newInstance(java.lang.Class,java.lang.Class[],java.lang.Object[])
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