public List<String> list(final String entity, final String field) {
final EntityChunk chunk = data.get(entity);
if (chunk == null) {
return Collections.<String>emptyList();
}
final List<String> fieldValues = chunk.getValue(field);
if (fieldValues != null) {
return fieldValues;
}
return Collections.<String>emptyList();
}
public int count(final String entity, final String field) {
final EntityChunk chunk = data.get(entity);
if (chunk == null) {
return 0;
}
final List<String> fieldValues = chunk.getValue(field);
if (fieldValues != null) {
return fieldValues.size();
}
return 0;
}
public int sum(final String entity, final String field) {
final EntityChunk chunk = data.get(entity);
if (chunk == null) {
return 0;
}
final List<String> fieldValues = chunk.getValue(field);
if (fieldValues != null) {
int sum = 0;
for (final String fieldValue : fieldValues) {
sum += Integer.parseInt(fieldValue);
}
return sum;
}
return 0;
}
public List<String> containsValue(final String entity, final String field, final String value) {
final EntityChunk chunk = data.get(entity);
if (chunk == null) {
return Collections.<String>emptyList();
}
final List<String> fieldValues = chunk.getValue(field);
if (fieldValues != null) {
final List<String> returnValues = new ArrayList<>();
for (final String fieldValue : fieldValues) {
if (fieldValue.contains(value)) {
returnValues.add(fieldValue);
}
}
return returnValues;
}
return Collections.<String>emptyList();
}