DocumentFieldDependencyMap.java 文件源码

public Builder add(final String fieldName, final Collection<String> dependsOnFieldNames, final DependencyType dependencyType)
{
    if (dependsOnFieldNames == null || dependsOnFieldNames.isEmpty())
    {
        return this;
    }

    ImmutableSetMultimap.Builder<String, String> fieldName2dependsOnFieldNames = type2name2dependencies.get(dependencyType);
    if (fieldName2dependsOnFieldNames == null)
    {
        fieldName2dependsOnFieldNames = ImmutableSetMultimap.builder();
        type2name2dependencies.put(dependencyType, fieldName2dependsOnFieldNames);
    }

    for (final String dependsOnFieldName : dependsOnFieldNames)
    {
        fieldName2dependsOnFieldNames.put(dependsOnFieldName, fieldName);
    }

    return this;
}