Part 3.1 done

src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java

+package io.zipcoder.tc_spring_poll_application.controller;
+
+import io.zipcoder.tc_spring_poll_application.domain.Poll;
+import io.zipcoder.tc_spring_poll_application.repositories.PollRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+
+import java.net.URI;
+
+@RestController
+public class PollController {
+    PollRepository pollRepository;
+
+    @Autowired
+    public PollController(PollRepository pollRepository) {
+        this.pollRepository = pollRepository;
+    }
+
+    @RequestMapping(value="/polls", method= RequestMethod.GET)
+    public ResponseEntity<Iterable<Poll>> getAllPolls() {
+        Iterable<Poll> allPolls = pollRepository.findAll();
+        return new ResponseEntity<>(allPolls, HttpStatus.OK);
+    }
+
+    @RequestMapping(method = RequestMethod.POST)
+    public ResponseEntity<?> createPoll(@RequestBody Poll poll) {
+        URI newPollUri = ServletUriComponentsBuilder
+                .fromCurrentRequest()
+                .path("/{id}")
+                .buildAndExpand(poll.getId())
+                .toUri();
+
+        HttpHeaders headers = new HttpHeaders();
+        headers.setLocation(newPollUri);
+        poll = pollRepository.save(poll);
+        return new ResponseEntity<>(headers, HttpStatus.CREATED);
+    }
+
+    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.GET)
+    public ResponseEntity<?> getPoll(@PathVariable Long pollId) {
+        Poll p = pollRepository.findOne(pollId);
+        return new ResponseEntity<> (p, HttpStatus.OK);
+    }
+
+    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.PUT)
+    public ResponseEntity<?> updatePoll(@RequestBody Poll poll, @PathVariable Long pollId) {
+        // Save the entity
+        Poll p = pollRepository.save(poll);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.DELETE)
+    public ResponseEntity<?> deletePoll(@PathVariable Long pollId) {
+        pollRepository.delete(pollId);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+}

src/main/java/io/zipcoder/tc_spring_poll_application/controller/VoteController.java

+package io.zipcoder.tc_spring_poll_application.controller;
+
+import io.zipcoder.tc_spring_poll_application.domain.Vote;
+import io.zipcoder.tc_spring_poll_application.repositories.VoteRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+
+@RestController
+public class VoteController {
+    private VoteRepository voteRepository;
+
+    @Autowired
+    public VoteController(VoteRepository voteRepository) {
+        this.voteRepository = voteRepository;
+    }
+
+    @RequestMapping(value = "/polls/{pollId}/votes", method = RequestMethod.POST)
+    public ResponseEntity<?> createVote(@PathVariable Long pollId, @RequestBody Vote
+            vote) {
+        vote = voteRepository.save(vote);
+        // Set the headers for the newly created resource
+        HttpHeaders responseHeaders = new HttpHeaders();
+        responseHeaders.setLocation(ServletUriComponentsBuilder.
+                fromCurrentRequest().path("/{id}").buildAndExpand(vote.getId()).toUri());
+        return new ResponseEntity<>(null, responseHeaders, HttpStatus.CREATED);
+    }
+
+}

src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java

+package io.zipcoder.tc_spring_poll_application.domain;
+
+import javax.persistence.*;
+
+@Entity
+public class Option {
+
+    @Id
+    @GeneratedValue
+    @Column(name = "OPTION_ID")
+    Long id;
+
+    @Column(name = "OPTION_VALUE")
+    String value;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+}

src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java

+package io.zipcoder.tc_spring_poll_application.domain;
+
+import javax.persistence.*;
+import java.util.Set;
+
+@Entity
+public class Poll {
+
+    @Id
+    @GeneratedValue
+    @Column(name = "POLL_ID")
+    Long id;
+
+    @Column(name = "QUESTION")
+    String question;
+
+    @OneToMany(cascade = CascadeType.ALL)
+    @JoinColumn(name = "POLL_ID")
+    @OrderBy
+    Set<Option> options;
+
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getQuestion() {
+        return question;
+    }
+
+    public void setQuestion(String question) {
+        this.question = question;
+    }
+
+    public Set<Option> getOptions() {
+        return options;
+    }
+
+    public void setOptions(Set<Option> options) {
+        this.options = options;
+    }
+}

src/main/java/io/zipcoder/tc_spring_poll_application/domain/Vote.java

+package io.zipcoder.tc_spring_poll_application.domain;
+
+import javax.persistence.*;
+
+@Entity
+public class Vote {
+    @Id
+    @GeneratedValue
+    @Column(name = "VOTE_ID")
+    Long id;
+
+    @ManyToOne
+    @JoinColumn(name = "OPTION_ID")
+    Option option;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public Option getOption() {
+        return option;
+    }
+
+    public void setOption(Option option) {
+        this.option = option;
+    }
+}

src/main/java/io/zipcoder/tc_spring_poll_application/repositories/OptionRepository.java

+package io.zipcoder.tc_spring_poll_application.repositories;
+
+import io.zipcoder.tc_spring_poll_application.domain.Option;
+import org.springframework.data.repository.CrudRepository;
+
+public interface OptionRepository extends CrudRepository<Option, Long> {
+
+}

src/main/java/io/zipcoder/tc_spring_poll_application/repositories/PollRepository.java

+package io.zipcoder.tc_spring_poll_application.repositories;
+
+import io.zipcoder.tc_spring_poll_application.domain.Poll;
+import org.springframework.data.repository.CrudRepository;
+
+public interface PollRepository extends CrudRepository<Poll, Long> {
+
+}

src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java

+package io.zipcoder.tc_spring_poll_application.repositories;
+
+import io.zipcoder.tc_spring_poll_application.domain.Vote;
+import org.springframework.data.repository.CrudRepository;
+
+public interface VoteRepository extends CrudRepository<Vote, Long> {
+
+
+}