@SuppressWarnings("unchecked")
public static <T1 extends Model, T2 extends Model> List<T2> getRelations(
Class<? extends OneToManyRelation<T1, T2>> relation, T1 entity) {
if (entity.getId() == null)
throw new IllegalArgumentException(
entity.getClass().getSimpleName() + " is not saved to database yet, aborting");
TableInfo crossTableInfo = Cache.getTableInfo(relation);
Cursor cursor =
Cache.openDatabase()
.rawQuery(
"SELECT entity2Type, entity2 FROM "
+ crossTableInfo.getTableName()
+ " WHERE entity1 = ?",
new String[] {entity.getId().toString()});
final List<T2> entities = new ArrayList<T2>();
try {
if (cursor.moveToFirst()) {
do {
String typeName = cursor.getString(0);
Class<? extends Model> entity2Class = (Class<? extends Model>) Class.forName(typeName);
entities.add((T2) Model.load(entity2Class, cursor.getLong(1)));
} while (cursor.moveToNext());
}
} catch (Exception e) {
Log.e("Failed to process cursor.", e);
throw new RuntimeException(e);
} finally {
cursor.close();
}
return entities;
}
public boolean equals(Object other) {
Pair rhs = (Pair) other;
if (first == null && second == null) return rhs.first == null && rhs.second == null;
if (first == null) return rhs.first == null && second.equals(rhs.second);
if (second == null) return rhs.second == null && first.equals(rhs.first);
return first.equals(rhs.first) && second.equals(rhs.second);
}
public static <T1 extends Model, T2 extends Model> void setRelations(
Class<? extends OneToManyRelation<T1, T2>> relation, T1 entity1, List<T2> entities2) {
if (entity1.getId() == null)
throw new IllegalArgumentException(
entity1.getClass().getSimpleName() + " is not saved to database yet, aborting");
for (T2 entity2 : entities2) {
if (entity2.getId() == null)
throw new IllegalArgumentException(
entity2.getClass().getSimpleName() + " is not saved to database yet, aborting");
}
new Delete().from(relation).where("entity1 = ?", entity1.getId()).execute();
try {
List<OneToManyRelation<T1, T2>> connections = new ArrayList<OneToManyRelation<T1, T2>>();
for (T2 entity2 : entities2) {
OneToManyRelation<T1, T2> connection = relation.newInstance();
connection.entity1 = entity1;
connection.entity2Type = entity2.getClass().getCanonicalName();
connection.entity2 = entity2;
connections.add(connection);
}
saveMultiple(connections);
} catch (Exception e) {
Log.e("Cannot create instance of class " + relation.getSimpleName());
throw new RuntimeException(e);
}
}
protected <T1 extends Named> T1 getByName(List<T1> list, String name) {
for (T1 t1 : list) {
if (t1.getName().equals(name)) {
return t1;
}
}
return null;
}
protected <T1 extends identified> T1 getById(List<T1> list, Integer id) {
for (T1 t1 : list) {
if (t1.getId().equals(id)) {
return t1;
}
}
return null;
}
@Override
public void readFields(DataInput in) throws IOException {
llist.clear();
rlist.clear();
int size = in.readInt();
for (int i = 0; i < size; i++) {
T1 e1 = createLValue();
e1.readFields(in);
T2 e2 = createRValue();
e2.readFields(in);
llist.add(e1);
rlist.add(e2);
}
}
@Override
public int hashCode() {
// Null hashes arbitrarily chosen by keyboard mashing.
int firsthash = first == null ? 5960343 : first.hashCode();
int secondhash = second == null ? 1186323 : second.hashCode();
return firsthash ^ Integer.rotateLeft(secondhash, 13);
}
public int compareTo(Par<T1, T2> o) {
int cmp = val1.compareTo(o.val1);
if (cmp == 0) {
return val2.compareTo(o.val2);
}
return cmp;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
CltPair<?, ?> other = (CltPair<?, ?>) obj;
if (left == null) {
if (other.left != null) {
return false;
}
} else if (!left.equals(other.left)) {
return false;
}
if (right == null) {
if (other.right != null) {
return false;
}
} else if (!right.equals(other.right)) {
return false;
}
return true;
}
@Override
public String toString() {
StringBuilder returnString = new StringBuilder("<");
if (value1 != null) {
returnString.append(value1.toString());
} else {
returnString.append("<null>");
}
returnString.append(", ");
if (value2 != null) {
returnString.append(value2.toString());
} else {
returnString.append("<null>");
}
returnString.append(", ");
if (value3 != null) {
returnString.append(value3.toString());
} else {
returnString.append("<null>");
}
returnString.append(">");
return returnString.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((value1 == null) ? 0 : value1.hashCode());
result = prime * result + ((value2 == null) ? 0 : value2.hashCode());
return result;
}
/**
* Write a string representation of a Pair from a DataStream. The <code>toString()</code> method
* is called on each of the pair of objects and a <code>String</code> representation is written.
* This might not allow one to recover the pair of objects unless they are of type <code>String
* </code>.
*/
public void save(DataOutputStream out) {
try {
out.writeUTF(first.toString());
out.writeUTF(second.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((left == null) ? 0 : left.hashCode());
result = prime * result + ((right == null) ? 0 : right.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof Pair)) return false;
Pair<T1, T2> other = (Pair<T1, T2>) obj;
return (first == null ? other.first == null : first.equals(other.first))
&& (second == null ? other.second == null : second.equals(other.second));
}
public boolean equals(Object o) {
if (o instanceof Pair) {
Pair p = (Pair) o;
return (first == null ? p.first == null : first.equals(p.first))
&& (second == null ? p.second == null : second.equals(p.second));
} else {
return false;
}
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((first == null) ? 0 : first.hashCode());
result = prime * result + ((second == null) ? 0 : second.hashCode());
result = prime * result + ((third == null) ? 0 : third.hashCode());
return result;
}
public int hashCode() {
int c = 1;
if (o1 != null) {
c = o1.hashCode();
}
if (o2 != null) {
c = 31 * c + o2.hashCode();
}
return c;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (obj instanceof Pair) {
Pair<?, ?> o = (Pair<?, ?>) obj;
try {
return first.equals(o.first) && second.equals(o.second);
} catch (NullPointerException e) {
if (first == null && o.first == null) {
if (second == null && o.second == null) return true;
else if (second != null) return second.equals(o.second);
} else if (first != null && first.equals(o.first)) {
if (second == null && o.second == null) return true;
else if (second != null) return second.equals(o.second);
}
return false;
}
}
return false;
}
@Override
public boolean equals(Object o) {
if (o instanceof Pair) {
@SuppressWarnings("rawtypes")
Pair p = (Pair) o;
return (first == null ? p.first() == null : first.equals(p.first()))
&& (second == null ? p.second() == null : second.equals(p.second()));
} else {
return false;
}
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
} else {
TwoTypePair otherPair = (TwoTypePair) obj;
return (first.equals(otherPair.first)) && second.equals(otherPair.second);
}
// final TwoTypePair<?, ?> other = (TwoTypePair<?, ?>) obj;
// if (!Objects.equals(this.first, other.first)) {
// return false;
// }
// if (!Objects.equals(this.second, other.second)) {
// return false;
// }
// return true;
}
/** @throws Exception */
@Test
public void testBlocking() throws Exception {
final PageAccessSynchronizer sync = new PageAccessSynchronizer(Duration.seconds(5));
final Duration hold = Duration.seconds(1);
final Time t1locks[] = new Time[1];
final Time t2locks[] = new Time[1];
class T1 extends Thread {
@Override
public void run() {
sync.lockPage(1);
t1locks[0] = Time.now();
hold.sleep();
sync.unlockAllPages();
}
}
class T2 extends Thread {
@Override
public void run() {
sync.lockPage(1);
t2locks[0] = Time.now();
sync.unlockAllPages();
}
}
T1 t1 = new T1();
t1.setName("t1");
T2 t2 = new T2();
t2.setName("t2");
t1.start();
Duration.milliseconds(100).sleep();
t2.start();
t1.join();
t2.join();
assertTrue(!t2locks[0].before(t1locks[0].add(hold)));
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
Tuple2<?, ?> other = (Tuple2<?, ?>) obj;
if (value1 == null) {
if (other.value1 != null) return false;
} else if (!value1.equals(other.value1)) return false;
if (value2 == null) {
if (other.value2 != null) return false;
} else if (!value2.equals(other.value2)) return false;
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((v1 == null) ? 0 : v1.hashCode());
result = prime * result + ((v2 == null) ? 0 : v2.hashCode());
result = prime * result + ((v3 == null) ? 0 : v3.hashCode());
result = prime * result + ((v4 == null) ? 0 : v4.hashCode());
result = prime * result + ((v5 == null) ? 0 : v5.hashCode());
result = prime * result + ((v6 == null) ? 0 : v6.hashCode());
result = prime * result + ((v7 == null) ? 0 : v7.hashCode());
result = prime * result + ((v8 == null) ? 0 : v8.hashCode());
return result;
}
@Override
public final boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Key2 key2 = (Key2) o;
if (!value1.equals(key2.value1)) {
return false;
}
if (!value2.equals(key2.value2)) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = f0 != null ? f0.hashCode() : 0;
result = 31 * result + (f1 != null ? f1.hashCode() : 0);
result = 31 * result + (f2 != null ? f2.hashCode() : 0);
result = 31 * result + (f3 != null ? f3.hashCode() : 0);
result = 31 * result + (f4 != null ? f4.hashCode() : 0);
result = 31 * result + (f5 != null ? f5.hashCode() : 0);
result = 31 * result + (f6 != null ? f6.hashCode() : 0);
result = 31 * result + (f7 != null ? f7.hashCode() : 0);
result = 31 * result + (f8 != null ? f8.hashCode() : 0);
result = 31 * result + (f9 != null ? f9.hashCode() : 0);
result = 31 * result + (f10 != null ? f10.hashCode() : 0);
result = 31 * result + (f11 != null ? f11.hashCode() : 0);
result = 31 * result + (f12 != null ? f12.hashCode() : 0);
result = 31 * result + (f13 != null ? f13.hashCode() : 0);
result = 31 * result + (f14 != null ? f14.hashCode() : 0);
result = 31 * result + (f15 != null ? f15.hashCode() : 0);
result = 31 * result + (f16 != null ? f16.hashCode() : 0);
result = 31 * result + (f17 != null ? f17.hashCode() : 0);
return result;
}
@Override
public int hashCode() {
return val1.hashCode() ^ val2.hashCode();
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return (first != null ? first.hashCode() : 0) * (second != null ? second.hashCode() : 0);
}
@Override
public String toString() {
return e1.toString() + "#" + e2.toString();
}
/**
* Deep equality for tuples by calling equals() on the tuple members
*
* @param o the object checked for equality
* @return true if this is equal to o.
*/
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof Tuple18)) {
return false;
}
@SuppressWarnings("rawtypes")
Tuple18 tuple = (Tuple18) o;
if (f0 != null ? !f0.equals(tuple.f0) : tuple.f0 != null) {
return false;
}
if (f1 != null ? !f1.equals(tuple.f1) : tuple.f1 != null) {
return false;
}
if (f2 != null ? !f2.equals(tuple.f2) : tuple.f2 != null) {
return false;
}
if (f3 != null ? !f3.equals(tuple.f3) : tuple.f3 != null) {
return false;
}
if (f4 != null ? !f4.equals(tuple.f4) : tuple.f4 != null) {
return false;
}
if (f5 != null ? !f5.equals(tuple.f5) : tuple.f5 != null) {
return false;
}
if (f6 != null ? !f6.equals(tuple.f6) : tuple.f6 != null) {
return false;
}
if (f7 != null ? !f7.equals(tuple.f7) : tuple.f7 != null) {
return false;
}
if (f8 != null ? !f8.equals(tuple.f8) : tuple.f8 != null) {
return false;
}
if (f9 != null ? !f9.equals(tuple.f9) : tuple.f9 != null) {
return false;
}
if (f10 != null ? !f10.equals(tuple.f10) : tuple.f10 != null) {
return false;
}
if (f11 != null ? !f11.equals(tuple.f11) : tuple.f11 != null) {
return false;
}
if (f12 != null ? !f12.equals(tuple.f12) : tuple.f12 != null) {
return false;
}
if (f13 != null ? !f13.equals(tuple.f13) : tuple.f13 != null) {
return false;
}
if (f14 != null ? !f14.equals(tuple.f14) : tuple.f14 != null) {
return false;
}
if (f15 != null ? !f15.equals(tuple.f15) : tuple.f15 != null) {
return false;
}
if (f16 != null ? !f16.equals(tuple.f16) : tuple.f16 != null) {
return false;
}
if (f17 != null ? !f17.equals(tuple.f17) : tuple.f17 != null) {
return false;
}
return true;
}
@Override
public int hashCode() {
return (first == null ? 0 : first.hashCode()) ^ (second == null ? 0 : second.hashCode());
}
