src/main/java/ru/ulstu/fc/core/BaseEntity.java

@@ -0,0 +1,86 @@
+package ru.ulstu.fc.core;
+
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.MappedSuperclass;
+import javax.persistence.Version;
+import java.io.Serializable;
+
+@MappedSuperclass
+public abstract class BaseEntity implements Serializable, Comparable<BaseEntity> {
+    @Id
+    @GeneratedValue(strategy = GenerationType.TABLE)
+    private Integer id;
+
+    @Version
+    private Integer version;
+
+    public BaseEntity() {
+    }
+
+    public BaseEntity(Integer id, Integer version) {
+        this.id = id;
+        this.version = version;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public Integer getVersion() {
+        return version;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!getClass().isAssignableFrom(obj.getClass())) {
+            return false;
+        }
+        BaseEntity other = (BaseEntity) obj;
+        if (id == null) {
+            if (other.getId() != null) {
+                return false;
+            }
+        } else if (!id.equals(other.getId())) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + (id == null ? 0 : id.hashCode());
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "{" +
+                "id=" + id +
+                ", version=" + version +
+                '}';
+    }
+
+    @Override
+    public int compareTo(BaseEntity o) {
+        return id != null ? id.compareTo(o.getId()) : -1;
+    }
+
+    public void reset() {
+        this.id = null;
+        this.version = null;
+    }
+}

src/main/java/ru/ulstu/fc/rule/model/Rule.java

@@ -0,0 +1,18 @@
+package ru.ulstu.fc.rule.model;
+
+import ru.ulstu.fc.core.BaseEntity;
+
+import javax.persistence.Entity;
+
+@Entity
+public class Rule extends BaseEntity {
+    private String value;
+
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+}

src/main/java/ru/ulstu/fc/rule/model/Term.java

@@ -0,0 +1,36 @@
+package ru.ulstu.fc.rule.model;
+
+import ru.ulstu.fc.core.BaseEntity;
+
+import javax.persistence.Entity;
+
+@Entity
+public class Term extends BaseEntity {
+    private String name;
+    private double min;
+    private double max;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public double getMin() {
+        return min;
+    }
+
+    public void setMin(double min) {
+        this.min = min;
+    }
+
+    public double getMax() {
+        return max;
+    }
+
+    public void setMax(double max) {
+        this.max = max;
+    }
+}

src/main/java/ru/ulstu/fc/rule/model/Variable.java

@@ -0,0 +1,30 @@
+package ru.ulstu.fc.rule.model;
+
+import ru.ulstu.fc.core.BaseEntity;
+
+import javax.persistence.Entity;
+import javax.persistence.OneToMany;
+import java.util.List;
+
+@Entity
+public class Variable extends BaseEntity {
+    private String name;
+    @OneToMany
+    private List<Term> terms;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<Term> getTerms() {
+        return terms;
+    }
+
+    public void setTerms(List<Term> terms) {
+        this.terms = terms;
+    }
+}

src/main/resources/application.properties

@@ -10,6 +10,7 @@ extractor.custom-projects-dir=
 server.error.include-stacktrace=always
 server.error.include-exception=true
 server.error.include-message=always
+# go to  http://localhost:8080/h2-console
 spring.datasource.url=jdbc:h2:file:./data/db
 spring.datasource.driverClassName=org.h2.Driver
 spring.datasource.username=sa