/*
* (non-Javadoc)
* @see com.lexst.db.view.View#getChunkIds()
*/
@Override
public Set<Long> getChunkIds() {
Set<Long> all = new TreeSet<Long>();
for (IdentitySet set : mapSet.values()) {
all.addAll(set.keySet());
}
return all;
}
/*
* (non-Javadoc)
* @see com.lexst.db.view.View#find(com.lexst.db.statement.Condition)
*/
@Override
public Set<Long> find(Condition condi) {
IndexColumn num = condi.getValue();
if (num == null || num.getClass() != ShortIndex.class) {
throw new IllegalArgumentException("null pointer or invalid index!");
}
short value = ((ShortIndex) num).getValue();
// 找到范围分片截止点
HashSet<Long> all = new HashSet<Long>(1024);
// 列名在左,参数值在右(固定!, 检查可以的范围)
switch (condi.getCompare()) {
case Condition.EQUAL:
for (ShortRange range : mapSet.keySet()) {
if (range.inside(value)) {
IdentitySet set = mapSet.get(range);
all.addAll(set.keySet());
}
}
break;
case Condition.NOT_EQUAL:
for (ShortRange range : mapSet.keySet()) {
if (range.getBegin() != value || range.getEnd() != value) {
IdentitySet set = mapSet.get(range);
all.addAll(set.keySet());
}
}
break;
case Condition.LESS:
for (ShortRange range : mapSet.keySet()) {
if (range.getBegin() < value || range.getEnd() < value) {
IdentitySet set = mapSet.get(range);
all.addAll(set.keySet());
}
}
break;
case Condition.LESS_EQUAL:
for (ShortRange range : mapSet.keySet()) {
if (range.getBegin() <= value || range.getEnd() <= value) {
IdentitySet set = mapSet.get(range);
all.addAll(set.keySet());
}
}
break;
case Condition.GREATER:
for (ShortRange range : mapSet.keySet()) {
if (range.getBegin() > value || range.getEnd() > value) {
IdentitySet set = mapSet.get(range);
all.addAll(set.keySet());
}
}
break;
case Condition.GREATER_EQUAL:
for (ShortRange range : mapSet.keySet()) {
if (range.getBegin() >= value || range.getEnd() >= value) {
IdentitySet set = mapSet.get(range);
all.addAll(set.keySet());
}
}
break;
case Condition.LIKE:
for (IdentitySet set : mapSet.values()) {
all.addAll(set.keySet());
}
break;
}
return all;
}
