Package com.intellij.openapi.util

Interface UserDataHolderEx

All Superinterfaces:

UserDataHolder

All Known Implementing Classes:

CapturingProcessHandler, OSProcessHandler, ProcessHandler, UserDataHolderBase

public interface UserDataHolderEx
extends UserDataHolder

Author:

cdr

Method Summary

Modifier and Type	Method	Description
<T> T	putUserDataIfAbsent(Key<T> key, T value)
<T> boolean	replace(Key<T> key, T oldValue, T newValue)	Replaces (atomically) old value in the map with the new one

Methods inherited from interface com.intellij.openapi.util.UserDataHolder

getUserData, putUserData

Method Detail

putUserDataIfAbsent

@NotNull
<T> T putUserDataIfAbsent(@NotNull
                          Key<T> key,
                          @NotNull
                          T value)

Returns:

written value

replace

<T> boolean replace(@NotNull
                    Key<T> key,
                    @Nullable
                    T oldValue,
                    @Nullable
                    T newValue)

Replaces (atomically) old value in the map with the new one

Returns:

true if old value got replaced, false otherwise

See Also:

ConcurrentMap.replace(Object, Object, Object)