write
Lock metadata while performing an action that changes metadata.
To separate the locking and unlocking steps, see {@link com.sap.cloud.mobile.kotlin.odata.MetadataLock#mutex MetadataLock.mutex}, ReadWriteLock.beginWrite and ReadWriteLock.endWrite.
Note: If a thread tries to acquire a write lock while already holding a (read or write) lock, the thread will hang.
Parameters
action
Action to perform while an exclusive write lock is held.