Exercise 6

.gitignore

@@ -1,2 +1,6 @@
-/HibernateHelloWorld/target/
-/CompositeExercise/target/
+HibernateHelloWorld/target/
+CompositeExercise/target/
+DemoOneToOne/target/
+DemoOneToMany/target/
+JPAExercise/target/
+HibernateAuctions/target/

DemoOneToMany/pom.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.mycompany</groupId>
+    <artifactId>DemoOneToMany</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+    <dependencies>
+        <!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-core -->
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-core</artifactId>
+            <version>5.4.2.Final</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.postgresql/postgresql -->
+        <dependency>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
+            <version>42.2.5</version>
+        </dependency>
+        <!-- https://search.maven.org/remotecontent?filepath=org/apache/commons/commons-lang3/3.9/commons-lang3-3.9.jar -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.9</version>
+        </dependency>
+    </dependencies>
+</project>

DemoOneToMany/src/main/java/com/mycompany/demoonetomany/Entity/Attachment.java

@@ -0,0 +1,114 @@
+
+package com.mycompany.demoonetomany.Entity;
+
+import java.sql.Timestamp;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
+
+/**
+ *
+ * @author naagarjunaa
+ */
+@Entity
+public class Attachment {
+     @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(updatable = false, nullable = false)
+    private int a_id;
+    private String fileName;
+    private String fileSize;
+    private Timestamp Created;
+    private byte AttachmentBytes;
+    @ManyToOne()
+    @JoinColumn(name = "proposal_docid")
+    private Proposal proposal;
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "pesonnel_p_id")
+    private Personnel personnel;
+
+    public Attachment() {
+    }
+
+    public Attachment(String fileName, String fileSize, Timestamp Created, byte AttachmentBytes) {
+        this.fileName = fileName;
+        this.fileSize = fileSize;
+        this.Created = Created;
+        this.AttachmentBytes = AttachmentBytes;
+    }
+
+    public Attachment(int a_id, String fileName, String fileSize, Timestamp Created, byte AttachmentBytes) {
+        this.a_id = a_id;
+        this.fileName = fileName;
+        this.fileSize = fileSize;
+        this.Created = Created;
+        this.AttachmentBytes = AttachmentBytes;
+    }
+
+    public Proposal getProposal() {
+        return proposal;
+    }
+
+    public void setProposal(Proposal proposal) {
+        this.proposal = proposal;
+    }
+
+    public Personnel getPersonnel() {
+        return personnel;
+    }
+
+    public void setPersonnel(Personnel personnel) {
+        this.personnel = personnel;
+    }
+
+    public int getA_id() {
+        return a_id;
+    }
+
+    public void setA_id(int a_id) {
+        this.a_id = a_id;
+    }
+
+    public String getFileName() {
+        return fileName;
+    }
+
+    public void setFileName(String fileName) {
+        this.fileName = fileName;
+    }
+
+    public String getFileSize() {
+        return fileSize;
+    }
+
+    public void setFileSize(String fileSize) {
+        this.fileSize = fileSize;
+    }
+
+    public Timestamp getCreated() {
+        return Created;
+    }
+
+    public void setCreated(Timestamp Created) {
+        this.Created = Created;
+    }
+
+    public byte getAttachmentBytes() {
+        return AttachmentBytes;
+    }
+
+    public void setAttachmentBytes(byte AttachmentBytes) {
+        this.AttachmentBytes = AttachmentBytes;
+    }
+    @Override
+    public String toString() {
+        return ReflectionToStringBuilder.toString(this);
+    }
+
+}

DemoOneToMany/src/main/java/com/mycompany/demoonetomany/Entity/Personnel.java

@@ -0,0 +1,113 @@
+
+package com.mycompany.demoonetomany.Entity;
+
+import java.util.List;
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
+
+/**
+ *
+ * @author naagarjunaa
+ */
+@Entity
+public class Personnel {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(updatable = false, nullable = false)
+    private int p_id;
+    @Column(length = 60)
+    private String name;
+    private String QualificationLevel;
+    private String phone;
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "proposal_docid")
+    private Proposal proposal;
+    @OneToMany(mappedBy = "personnel",orphanRemoval = true,cascade = CascadeType.ALL)
+    private List<Attachment> attachment;
+
+    public Personnel() {
+    }
+
+    public Personnel(String name, String QualificationLevel, String phone) {
+        this.name = name;
+        this.QualificationLevel = QualificationLevel;
+        this.phone = phone;
+    }
+
+    public Personnel(int p_id, String name, String QualificationLevel, String phone) {
+        this.p_id = p_id;
+        this.name = name;
+        this.QualificationLevel = QualificationLevel;
+        this.phone = phone;
+    }
+
+    public Proposal getProposal() {
+        return proposal;
+    }
+
+    public void setProposal(Proposal proposal) {
+        this.proposal = proposal;
+    }
+
+    public List<Attachment> getAttachment() {
+        return attachment;
+    }
+
+    public void setAttachment(List<Attachment> attachment) {
+        this.attachment = attachment;
+    }
+
+    public int getP_id() {
+        return p_id;
+    }
+
+    public void setP_id(int p_id) {
+        this.p_id = p_id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getQualificationLevel() {
+        return QualificationLevel;
+    }
+
+    public void setQualificationLevel(String QualificationLevel) {
+        this.QualificationLevel = QualificationLevel;
+    }
+
+    public String getPhone() {
+        return phone;
+    }
+
+    public void setPhone(String phone) {
+        this.phone = phone;
+    }
+
+//    public void add(Proposal propl){
+//    if (proposal == null){
+//    proposal = new ArrayList<>();
+//    }
+//}
+@Override
+    public String toString() {
+        return ReflectionToStringBuilder.toString(this);
+    }
+
+
+}

DemoOneToMany/src/main/java/com/mycompany/demoonetomany/Entity/Proposal.java

@@ -0,0 +1,95 @@
+
+package com.mycompany.demoonetomany.Entity;
+
+import java.util.List;
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
+
+/**
+ *
+ * @author naagarjunaa
+ */
+@Entity
+public class Proposal {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(updatable = false, nullable = false)
+    private long DocID;
+    @Column(length = 100)
+    private String Title;
+    @Column(length = 1000)
+    private String Comment;
+
+    @OneToMany(mappedBy = "proposal",orphanRemoval = true, cascade = CascadeType.ALL)//,cascade = CascadeType.ALL
+    private List<Personnel> personnel;
+
+    @OneToMany(mappedBy = "proposal",orphanRemoval = true, cascade = CascadeType.ALL)
+    private List<Attachment> attachments;
+
+    public Proposal() {
+    }
+
+    public Proposal(String Title, String Comment) {
+        this.Title = Title;
+        this.Comment = Comment;
+    }
+
+    public Proposal(long DocID, String Title, String Comment) {
+        this.DocID = DocID;
+        this.Title = Title;
+        this.Comment = Comment;
+    }
+
+    public long getDocID() {
+        return DocID;
+    }
+
+    public void setDocID(long DocID) {
+        this.DocID = DocID;
+    }
+
+    public String getTitle() {
+        return Title;
+    }
+
+    public void setTitle(String Title) {
+        this.Title = Title;
+    }
+
+    public String getComment() {
+        return Comment;
+    }
+
+    public void setComment(String Comment) {
+        this.Comment = Comment;
+    }
+
+    public List<Personnel> getPersonnel() {
+        return personnel;
+    }
+
+    public void setPersonnel(List<Personnel> personnel) {
+        this.personnel = personnel;
+    }
+
+    public List<Attachment> getAttachments() {
+        return attachments;
+    }
+
+    public void setAttachments(List<Attachment> attachments) {
+        this.attachments = attachments;
+    }
+
+    @Override
+    public String toString() {
+        return ReflectionToStringBuilder.toString(this);
+    }
+
+}