private void drawAux(String indent, StringBuilder builder) {
builder.append(value);
for (List<Node<T>> it = children; !it.isEmpty(); it = it.tail()) {
final boolean isLast = it.tail().isEmpty();
builder.append('\n').append(indent).append(isLast ? "└──" : "├──");
it.head().drawAux(indent + (isLast ? " " : "│ "), builder);
}
}
@Override
protected <T> CharSequence createSQLJoin(
final Function<Class, EntityInfo> func,
final Map<Class, String> joinTabalis,
final EntityInfo<T> info) {
boolean morejoin = false;
if (this.joinEntity == null) {
if (this.joinClass != null) this.joinEntity = func.apply(this.joinClass);
if (this.nodes != null) {
for (FilterNode node : this.nodes) {
if (node instanceof FilterJoinNode) {
FilterJoinNode joinNode = ((FilterJoinNode) node);
if (joinNode.joinClass != null) {
joinNode.joinEntity = func.apply(joinNode.joinClass);
if (this.joinClass != null && this.joinClass != joinNode.joinClass) morejoin = true;
}
}
}
}
}
StringBuilder sb = new StringBuilder();
if (this.joinClass != null) {
sb.append(createElementSQLJoin(joinTabalis, info, this));
}
if (morejoin) {
Set<Class> set = new HashSet<>();
if (this.joinClass != null) set.add(this.joinClass);
for (FilterNode node : this.nodes) {
if (node instanceof FilterJoinNode) {
FilterJoinNode joinNode = ((FilterJoinNode) node);
if (!set.contains(joinNode.joinClass)) {
CharSequence cs = createElementSQLJoin(joinTabalis, info, joinNode);
if (cs != null) {
sb.append(cs);
set.add(joinNode.joinClass);
}
}
}
}
}
return sb;
}
private static CharSequence createElementSQLJoin(
final Map<Class, String> joinTabalis, final EntityInfo info, final FilterJoinNode node) {
if (node.joinClass == null) return null;
StringBuilder sb = new StringBuilder();
String[] joinColumns = node.joinColumns;
sb.append(" INNER JOIN ")
.append(node.joinEntity.getTable())
.append(" ")
.append(joinTabalis.get(node.joinClass))
.append(" ON ")
.append(info.getSQLColumn("a", joinColumns[0]))
.append(" = ")
.append(node.joinEntity.getSQLColumn(joinTabalis.get(node.joinClass), joinColumns[0]));
for (int i = 1; i < joinColumns.length; i++) {
sb.append(" AND ")
.append(info.getSQLColumn("a", joinColumns[i]))
.append(" = ")
.append(node.joinEntity.getSQLColumn(joinTabalis.get(node.joinClass), joinColumns[i]));
}
return sb;
}
@Override
public String draw() {
StringBuilder builder = new StringBuilder();
drawAux("", builder);
return builder.toString();
}