I keep getting a ConstraintViolationException. I think it has something to do with using an @ElementCollection, but I am not sure. Perhaps someone could look at the stack error, and the two classes in question and shed some light on the problem. Thanks!
Quote:
19:33:03,235 DEBUG ~ /* insert models.Trade */ insert into Trade (comments, destinationTeamCash, receiver_id, sender_id, sendingTeamCash, id) values (?, ?, ?, ?, ?, ?)
19:33:03,236 DEBUG ~ /* insert collection row models.Trade.receivingTeamPlayers */ insert into Trade_Player (Trade_id, receivingTeamPlayers_id) values (?, ?)
19:33:03,253 WARN ~ SQL Error: 0, SQLState: 23502
19:33:03,253 ERROR ~ Batch entry 0 /* insert collection row models.Trade.receivingTeamPlayers */ insert into Trade_Player (Trade_id, receivingTeamPlayers_id) values ('1903', '1902') was aborted. Call getNextException to see the cause.
19:33:03,253 WARN ~ SQL Error: 0, SQLState: 23502
19:33:03,253 ERROR ~ ERROR: null value in column "sendingteamplayers_id" violates not-null constraint
19:33:03,254 ERROR ~ Could not synchronize database state with session
org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:96)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:275)
at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:114)
at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:109)
at org.hibernate.jdbc.AbstractBatcher.prepareBatchStatement(AbstractBatcher.java:244)
at org.hibernate.persister.collection.AbstractCollectionPersister.recreate(AbstractCollectionPersister.java:1180)
at org.hibernate.action.CollectionRecreateAction.execute(CollectionRecreateAction.java:58)
at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:267)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:259)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:182)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:324)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1206)
at org.hibernate.ejb.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:791)
at play.db.jpa.JPABase._save(JPABase.java:47)
at play.db.jpa.GenericModel.save(GenericModel.java:172)
at models.Trade.addTrade(Trade.java:41)
at TradeTest.createTrade(TradeTest.java:88)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:24)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
at org.junit.runner.JUnitCore.run(JUnitCore.java:136)
at org.junit.runner.JUnitCore.run(JUnitCore.java:117)
at play.test.TestEngine.run(TestEngine.java:130)
at controllers.TestRunner.run(TestRunner.java:66)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at play.mvc.ActionInvoker.invokeControllerMethod(ActionInvoker.java:408)
at play.mvc.ActionInvoker.invokeControllerMethod(ActionInvoker.java:403)
at play.mvc.ActionInvoker.invoke(ActionInvoker.java:176)
at play.server.PlayHandler$NettyInvocation.execute(PlayHandler.java:169)
at play.Invoker$Invocation.run(Invoker.java:187)
at play.server.PlayHandler$NettyInvocation.run(PlayHandler.java:149)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.sql.BatchUpdateException: Batch entry 0 /* insert collection row models.Trade.receivingTeamPlayers */ insert into Trade_Player (Trade_id, receivingTeamPlayers_id) values ('1903', '1902') was aborted. Call getNextException to see the cause.
at org.postgresql.jdbc2.AbstractJdbc2Statement$BatchResultHandler.handleError(AbstractJdbc2Statement.java:2598)
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1836)
at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:407)
at org.postgresql.jdbc2.AbstractJdbc2Statement.executeBatch(AbstractJdbc2Statement.java:2737)
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeBatch(NewProxyPreparedStatement.java:1723)
at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268)
... 64 more
Code:
package models;
import java.util.*;
import javax.persistence.*;
import play.db.jpa.Model;
@Entity
@Table(
name = "Team"
)
public class Team extends Model {
@Column(nullable=false)
public String location, name;
public Integer conference, division;
@OneToMany(mappedBy="team")
public Set<Player> roster;
@OneToMany(mappedBy="sender")
public Set<Trade> sentTrades;
@OneToMany(mappedBy="receiver")
public Set<Trade> receivedTrades;
@ManyToOne
public League league;
@OneToOne
public TradeBlock tradeBlock;
@ManyToOne
public UserAccount owner;
public Date inception;
public Team(String location, String name) {
this.location = location;
this.name = name;
this.roster = new HashSet<Player>();
this.tradeBlock = new TradeBlock(this).save();
this.sentTrades = new HashSet<Trade>();
this.receivedTrades = new HashSet<Trade>();
this.inception = new Date();
}
}
Code:
package models;
import java.util.*;
import java.math.BigInteger;
import javax.persistence.*;
import play.db.jpa.Model;
@Entity
public class Trade extends Model {
@ManyToOne
Team sender;
@ManyToOne
Team receiver;
@ElementCollection
Set<Player> sendingTeamPlayers, receivingTeamPlayers;
BigInteger sendingTeamCash, destinationTeamCash;
String comments;
public Trade(Team sender
, Set<Player> sendingTeamPlayers
, Team receiver
, Set<Player> receivingTeamPlayers) {
this.sender = sender;
this.sendingTeamPlayers = sendingTeamPlayers;
this.receiver = receiver;
this.receivingTeamPlayers = receivingTeamPlayers;
}
public static void addTrade(Long senderId
, Set<Player> sendersPlayers
, Long receiverId
, Set<Player> receiversPlayers) {
Team sender = Team.findById(senderId);
Team receiver = Team.findById(receiverId);
new Trade(sender, sendersPlayers, receiver, receiversPlayers).save();
Trade trade = Trade.find("bySenderIdAndReceiverId", sender.id, receiver.id).first();
sender.sentTrades.add(trade);
receiver.receivedTrades.add(trade);
sender.save();
receiver.save();
}
}
Here is the Test that I am using to run the code:
Code:
import java.util.*;
import org.junit.*;
import play.test.*;
import models.*;
public class TradeTest extends UnitTest {
@Before
public void setup() {
Fixtures.deleteAll();
}
@Test
public void createTrade() {
new Team("Boston", "Rebels").save();
new Team("Easton", "Shovelmen").save();
new Player("Winthrop", "Fredwards").save();
new Player("Oscar", "Bravugan").save();
Team team1 = Team.find("byName", "Rebels").first();
assertNotNull(team1);
assertEquals(team1.name, "Rebels");
Team team2 = Team.find("byName", "Shovelmen").first();
assertNotNull(team2);
assertEquals(team2.name, "Shovelmen");
Player player1 =
Player.find("byForenameAndSurname", "Winthrop", "Fredwards").first();
assertNotNull(player1);
assertEquals(player1.forename, "Winthrop");
assertEquals(player1.surname, "Fredwards");
Player player2 =
Player.find("byForenameAndSurname", "Oscar", "Bravugan").first();
assertNotNull(player2);
assertEquals(player2.forename, "Oscar");
assertEquals(player2.surname, "Bravugan");
team1.roster.add(player1);
team2.roster.add(player2);
player1.team = team1;
player2.team = team2;
team1.save();
team2.save();
player1.save();
player2.save();
team1 = Team.find("byName", "Rebels").first();
player1 =
Player.find("byForenameAndSurname", "Winthrop", "Fredwards").first();
team2 = Team.find("byName", "Shovelmen").first();
player2 =
Player.find("byForenameAndSurname", "Oscar", "Bravugan").first();
assertNotNull(player1.id);
assertNotNull(player2.id);
assertNotNull(team1.roster);
assertEquals(team1.roster.size(), 1);
assertTrue(team1.roster.contains(player1));
assertNotNull(team2.roster);
assertEquals(team2.roster.size(), 1);
assertTrue(team2.roster.contains(player2));
assertNotNull(player1.team);
assertEquals(player1.team, team1);
assertNotNull(player2.team);
assertEquals(player2.team, team2);
Set<Player> stp = new HashSet<Player>();
stp.add(player1);
assertEquals(stp.size(), 1);
Set<Player> rtp = new HashSet<Player>();
rtp.add(player2);
assertEquals(rtp.size(), 1);
Trade.addTrade(team1.id, stp, team2.id, rtp);
}
}
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