@Override
public PMetaData pruneFunctions(Pruner pruner) {
List<PTableKey> keysToPrune = Lists.newArrayListWithExpectedSize(this.size());
for (PFunction function : this.metaData.functions.values()) {
if (pruner.prune(function)) {
keysToPrune.add(function.getKey());
}
}
if (keysToPrune.isEmpty()) {
return this;
}
PMetaDataCache clone = metaData.clone();
for (PTableKey key : keysToPrune) {
clone.functions.remove(key);
}
return new PMetaDataImpl(clone);
}
@Override
public PMetaData pruneTables(Pruner pruner) {
List<PTableKey> keysToPrune = Lists.newArrayListWithExpectedSize(this.size());
for (PTable table : this) {
if (pruner.prune(table)) {
keysToPrune.add(table.getKey());
}
}
if (keysToPrune.isEmpty()) {
return this;
}
PMetaDataCache tables = metaData.clone();
for (PTableKey key : keysToPrune) {
tables.remove(key);
}
return new PMetaDataImpl(tables);
}
