elk-reasoner/src/main/java/org/semanticweb/elk/reasoner/indexing/classes/DifferentialIndex.java
public void setIncrementalMode(boolean incremental) {
		if (this.incrementalMode == incremental)
			// already set
			return;
		LOGGER_.trace("set incremental mode: " + incremental);
		this.incrementalMode = incremental;
		if (!incremental) {
			clearDeletedRules();
			commitAddedRules();
			initClassChanges();
			initIndividualChanges();
		}
	}
public void setIncrementalMode(boolean incremental) {
		if (this.incrementalMode == incremental)
			// already set
			return;
		LOGGER_.trace("set incremental mode: " + incremental);
		this.incrementalMode = incremental;
		if (!incremental) {
			clearDeletedRules();
			commitAddedRules();
			initClassChanges();
			initIndividualChanges();
		}
	}
Sets the incremental mode for this {@code DifferentialIndex}.

@param incremental
if {@code true}, deletions and additions to this indexed are
stored separately; if {@code false} all changes are
immediately applied to the index.