Package org.apache.logging.log4j.internal.map

Class UnmodifiableArrayBackedMap.UnmodifiableEntry

java.lang.Object

org.apache.logging.log4j.internal.map.UnmodifiableArrayBackedMap.UnmodifiableEntry

All Implemented Interfaces:

Map.Entry<String,String>

Enclosing class:

UnmodifiableArrayBackedMap

private class UnmodifiableArrayBackedMap.UnmodifiableEntry
extends Object
implements Map.Entry<String,String>

Implementation of Map.Entry. The implementation is simple since each instance contains an index in the array, then getKey() and getValue() retrieve from the array. Blocks modifications.

Field Summary

Fields

Modifier and Type	Field	Description
private int	index	This field is functionally final, but marking it as such can cause performance problems.

Constructor Summary

Constructors

Constructor	Description
UnmodifiableEntry(int index)

Method Summary

Modifier and Type	Method	Description
String	getKey()
String	getValue()
int	hashCode()	Per spec, the hashcode is a function of the key and value.
String	setValue(String value)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map.Entry

equals

Field Details

index

private int index

This field is functionally final, but marking it as such can cause performance problems. Consider marking it final after https://bugs.openjdk.org/browse/JDK-8324186 is solved.

Constructor Details

UnmodifiableEntry

public UnmodifiableEntry(int index)

Method Details

getKey

public String getKey()

Specified by:

getKey in interface Map.Entry<String,String>

getValue

public String getValue()

Specified by:

getValue in interface Map.Entry<String,String>

hashCode

public int hashCode()

Per spec, the hashcode is a function of the key and value. Calculation exactly matches HashMap.

Specified by:

hashCode in interface Map.Entry<String,String>

Overrides:

hashCode in class Object

setValue

public String setValue(String value)

Specified by:

setValue in interface Map.Entry<String,String>