程序包 org.microbean.helm.chart

类 AbstractChartWriter.Context

java.lang.Object

org.microbean.helm.chart.AbstractChartWriter.Context

封闭类:

AbstractChartWriter

protected abstract static class AbstractChartWriter.Context
extends Object

A class representing the state of a write operation.

作者:

Laird Nelson

方法概要

修饰符和类型	方法	说明
abstract boolean	containsKey(Object key)	Returns true if this AbstractChartWriter.Context implementation contains an object indexed under an Object equal to the supplied key.
abstract <T> T	get(Object key, Class<T> type)	Returns the object indexed under the supplied key, if any, cast to the proper Class.
abstract void	put(Object key, Object value)	Stores the supplied value under the supplied key.
abstract void	remove(Object key)	Removes any object indexed under an Object equal to the supplied key.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

get

public abstract <T> T get(Object key,
                          Class<T> type)

Returns the object indexed under the supplied key, if any, cast to the proper Class.

Implementations of this method may return null.

类型参数:

T - the type of object expected

参数:

key - the key under which something is hopefully stored; may be null

type - the Class to cast the result to; must not be null

返回:

the object in question, or null

抛出:

NullPointerException - if type is null

另请参阅:

put(Object, Object)

put

public abstract void put(Object key,
                         Object value)

Stores the supplied value under the supplied key.

参数:

key - the key under which the supplied value will be stored; may be null

value - the object to store; may be null

另请参阅:

get(Object, Class)

containsKey

public abstract boolean containsKey(Object key)

Returns true if this AbstractChartWriter.Context implementation contains an object indexed under an Object equal to the supplied key.

参数:

key - the key in question; may be null

返回:

true if this AbstractChartWriter.Context implementation contains an object indexed under an Object equal to the supplied key; false otherwise

remove

public abstract void remove(Object key)

Removes any object indexed under an Object equal to the supplied key.

参数:

key - the key in question; may be null