Package org.apache.iceberg.common
Class DynFields.Builder
- java.lang.Object
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- org.apache.iceberg.common.DynFields.Builder
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- Enclosing class:
- DynFields
public static class DynFields.Builder extends java.lang.Object
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description <T> DynFields.UnboundField<T>
build()
Returns the first valid implementation as a UnboundField or throws a NoSuchFieldException if there is none.<T> DynFields.BoundField<T>
build(java.lang.Object target)
Returns the first valid implementation as a BoundMethod or throws a RuntimeException if there is none.<T> DynFields.UnboundField<T>
buildChecked()
Returns the first valid implementation as a UnboundField or throws a NoSuchFieldException if there is none.<T> DynFields.BoundField<T>
buildChecked(java.lang.Object target)
Returns the first valid implementation as a BoundMethod or throws a NoSuchMethodException if there is none.<T> DynFields.StaticField<T>
buildStatic()
Returns the first valid implementation as a StaticField or throws a RuntimeException if there is none.<T> DynFields.StaticField<T>
buildStaticChecked()
Returns the first valid implementation as a StaticField or throws a NoSuchFieldException if there is none.DynFields.Builder
defaultAlwaysNull()
Instructs this builder to return AlwaysNull if no implementation is found.DynFields.Builder
hiddenImpl(java.lang.Class<?> targetClass, java.lang.String fieldName)
Checks for a hidden implementation.DynFields.Builder
hiddenImpl(java.lang.String className, java.lang.String fieldName)
Checks for a hidden implementation, first finding the class by name.DynFields.Builder
impl(java.lang.Class<?> targetClass, java.lang.String fieldName)
Checks for an implementation.DynFields.Builder
impl(java.lang.String className, java.lang.String fieldName)
Checks for an implementation, first finding the class by name.DynFields.Builder
loader(java.lang.ClassLoader newLoader)
Set theClassLoader
used to lookup classes by name.
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Method Detail
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loader
public DynFields.Builder loader(java.lang.ClassLoader newLoader)
Set theClassLoader
used to lookup classes by name.If not set, the current thread's ClassLoader is used.
- Parameters:
newLoader
- a ClassLoader- Returns:
- this Builder for method chaining
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defaultAlwaysNull
public DynFields.Builder defaultAlwaysNull()
Instructs this builder to return AlwaysNull if no implementation is found.- Returns:
- this Builder for method chaining
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impl
public DynFields.Builder impl(java.lang.String className, java.lang.String fieldName)
Checks for an implementation, first finding the class by name.- Parameters:
className
- name of a classfieldName
- name of the field- Returns:
- this Builder for method chaining
- See Also:
Class.forName(String)
,Class.getField(String)
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impl
public DynFields.Builder impl(java.lang.Class<?> targetClass, java.lang.String fieldName)
Checks for an implementation.- Parameters:
targetClass
- a class instancefieldName
- name of a field (different from constructor)- Returns:
- this Builder for method chaining
- See Also:
Class.forName(String)
,Class.getField(String)
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hiddenImpl
public DynFields.Builder hiddenImpl(java.lang.String className, java.lang.String fieldName)
Checks for a hidden implementation, first finding the class by name.- Parameters:
className
- name of a classfieldName
- name of a field (different from constructor)- Returns:
- this Builder for method chaining
- See Also:
Class.forName(String)
,Class.getField(String)
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hiddenImpl
public DynFields.Builder hiddenImpl(java.lang.Class<?> targetClass, java.lang.String fieldName)
Checks for a hidden implementation.- Parameters:
targetClass
- a class instancefieldName
- name of a field (different from constructor)- Returns:
- this Builder for method chaining
- See Also:
Class.forName(String)
,Class.getField(String)
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buildChecked
public <T> DynFields.UnboundField<T> buildChecked() throws java.lang.NoSuchFieldException
Returns the first valid implementation as a UnboundField or throws a NoSuchFieldException if there is none.- Type Parameters:
T
- Java class stored in the field- Returns:
- a
DynFields.UnboundField
with a valid implementation - Throws:
java.lang.NoSuchFieldException
- if no implementation was found
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buildChecked
public <T> DynFields.BoundField<T> buildChecked(java.lang.Object target) throws java.lang.NoSuchFieldException
Returns the first valid implementation as a BoundMethod or throws a NoSuchMethodException if there is none.- Type Parameters:
T
- Java class stored in the field- Parameters:
target
- an Object on which to get and set the field- Returns:
- a
DynFields.BoundField
with a valid implementation and target - Throws:
java.lang.IllegalStateException
- if the method is staticjava.lang.IllegalArgumentException
- if the receiver's class is incompatiblejava.lang.NoSuchFieldException
- if no implementation was found
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build
public <T> DynFields.UnboundField<T> build()
Returns the first valid implementation as a UnboundField or throws a NoSuchFieldException if there is none.- Type Parameters:
T
- Java class stored in the field- Returns:
- a
DynFields.UnboundField
with a valid implementation - Throws:
java.lang.RuntimeException
- if no implementation was found
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build
public <T> DynFields.BoundField<T> build(java.lang.Object target)
Returns the first valid implementation as a BoundMethod or throws a RuntimeException if there is none.- Type Parameters:
T
- Java class stored in the field- Parameters:
target
- an Object on which to get and set the field- Returns:
- a
DynFields.BoundField
with a valid implementation and target - Throws:
java.lang.IllegalStateException
- if the method is staticjava.lang.IllegalArgumentException
- if the receiver's class is incompatiblejava.lang.RuntimeException
- if no implementation was found
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buildStaticChecked
public <T> DynFields.StaticField<T> buildStaticChecked() throws java.lang.NoSuchFieldException
Returns the first valid implementation as a StaticField or throws a NoSuchFieldException if there is none.- Type Parameters:
T
- Java class stored in the field- Returns:
- a
DynFields.StaticField
with a valid implementation - Throws:
java.lang.IllegalStateException
- if the method is not staticjava.lang.NoSuchFieldException
- if no implementation was found
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buildStatic
public <T> DynFields.StaticField<T> buildStatic()
Returns the first valid implementation as a StaticField or throws a RuntimeException if there is none.- Type Parameters:
T
- Java class stored in the field- Returns:
- a
DynFields.StaticField
with a valid implementation - Throws:
java.lang.IllegalStateException
- if the method is not staticjava.lang.RuntimeException
- if no implementation was found
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