@Override
public long ramBytesUsed() {
long ramBytesUsed = BASE_RAM_BYTES_USED;
ramBytesUsed += (postingsReader != null) ? postingsReader.ramBytesUsed() : 0;
ramBytesUsed += (indexReader != null) ? indexReader.ramBytesUsed() : 0;
ramBytesUsed += fields.size() * 2L * RamUsageEstimator.NUM_BYTES_OBJECT_REF;
for (FieldReader reader : fields.values()) {
ramBytesUsed += reader.ramBytesUsed();
}
return ramBytesUsed;
}
@Override
public void close() throws IOException {
try {
try {
if (indexReader != null) {
indexReader.close();
}
} finally {
// null so if an app hangs on to us (ie, we are not
// GCable, despite being closed) we still free most
// ram
indexReader = null;
if (in != null) {
in.close();
}
}
} finally {
if (postingsReader != null) {
postingsReader.close();
}
}
}