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java.lang.Objectorg.apache.openjpa.lib.util.ConcreteClassGenerator
public class ConcreteClassGenerator
Dynamically generates concrete implementations of abstract classes.
Constructor Summary | |
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ConcreteClassGenerator()
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Method Summary | ||
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static
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getConcreteConstructor(java.lang.Class<T> abstractClass,
java.lang.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(java.lang.Class<T> abstractClass)
Takes an abstract class and returns a concrete implementation. |
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static
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newInstance(java.lang.Class<T> c)
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static
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newInstance(java.lang.Class<T> c,
java.lang.Class<?>[] paramTypes,
java.lang.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(java.lang.Class<T> c,
java.lang.Class<? extends P> paramType,
P param)
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static
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newInstance(java.lang.Class<T> c,
java.lang.Class<? extends P1> paramType1,
P1 param1,
java.lang.Class<? extends P2> paramType2,
P2 param2)
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static
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newInstance(java.lang.Class<T> c,
java.lang.Class<? extends P1> paramType1,
P1 param1,
java.lang.Class<? extends P2> paramType2,
P2 param2,
java.lang.Class<? extends P3> paramType3,
P3 param3)
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static
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newInstance(java.lang.Class<T> c,
java.lang.Class<? extends P1> paramType1,
P1 param1,
java.lang.Class<? extends P2> paramType2,
P2 param2,
java.lang.Class<? extends P3> paramType3,
P3 param3,
java.lang.Class<? extends P4> paramType4,
P4 param4)
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static
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newInstance(java.lang.reflect.Constructor<T> cons,
java.lang.Object... params)
Construct a new instance by the given constructor and its arguments. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ConcreteClassGenerator()
Method Detail |
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public static <T> java.lang.reflect.Constructor<T> getConcreteConstructor(java.lang.Class<T> abstractClass, java.lang.Class<?>... argTypes) throws java.lang.ClassNotFoundException
the
- argTypes of the constructor to look for. null signify default constructor.
java.lang.ClassNotFoundException
public static <T> java.lang.Class<? extends T> makeConcrete(java.lang.Class<T> abstractClass) throws java.lang.ClassNotFoundException
AbstractMethodError
.
abstractClass
- the abstract class
java.lang.ClassNotFoundException
public static <T> T newInstance(java.lang.reflect.Constructor<T> cons, java.lang.Object... params)
public static <T> T newInstance(java.lang.Class<T> c, java.lang.Class<?>[] paramTypes, java.lang.Object[] params)
c
- the class to constructparamTypes
- the types of the parametersparams
- the parameter values
public static <T> T newInstance(java.lang.Class<T> c)
newInstance(java.lang.Class,java.lang.Class[],java.lang.Object[])
public static <T,P> T newInstance(java.lang.Class<T> c, java.lang.Class<? extends P> paramType, P param)
newInstance(java.lang.Class,java.lang.Class[],java.lang.Object[])
public static <T,P1,P2> T newInstance(java.lang.Class<T> c, java.lang.Class<? extends P1> paramType1, P1 param1, java.lang.Class<? extends P2> paramType2, P2 param2)
newInstance(java.lang.Class,java.lang.Class[],java.lang.Object[])
public static <T,P1,P2,P3> T newInstance(java.lang.Class<T> c, java.lang.Class<? extends P1> paramType1, P1 param1, java.lang.Class<? extends P2> paramType2, P2 param2, java.lang.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(java.lang.Class<T> c, java.lang.Class<? extends P1> paramType1, P1 param1, java.lang.Class<? extends P2> paramType2, P2 param2, java.lang.Class<? extends P3> paramType3, P3 param3, java.lang.Class<? extends P4> paramType4, P4 param4)
newInstance(java.lang.Class,java.lang.Class[],java.lang.Object[])
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