src/main/java/ru/ulstu/extractor/model/TimeSeries.java

@@ -0,0 +1,39 @@
+package ru.ulstu.extractor.model;
+
+import org.hibernate.annotations.Fetch;
+import org.hibernate.annotations.FetchMode;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+public class TimeSeries extends BaseEntity {
+    private String name;
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinColumn(name = "time_series_id")
+    @Fetch(FetchMode.SUBSELECT)
+    private List<TimeSeriesValue> values = new ArrayList<>();
+
+
+    public TimeSeries(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<TimeSeriesValue> getValues() {
+        return values;
+    }
+
+    public void setValues(List<TimeSeriesValue> values) {
+        this.values = values;
+    }
+
+}

src/main/java/ru/ulstu/extractor/model/TimeSeriesValue.java

@@ -0,0 +1,43 @@
+package ru.ulstu.extractor.model;
+
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.ManyToOne;
+import java.util.Date;
+
+@Entity
+public class TimeSeriesValue extends BaseEntity {
+    private Date date;
+    private Integer value;
+    @ManyToOne(fetch = FetchType.LAZY)
+    private TimeSeries timeSeries;
+
+    public TimeSeriesValue(Date date, Integer value) {
+        this.date = date;
+        this.value = value;
+    }
+
+    public Date getDate() {
+        return date;
+    }
+
+    public Integer getValue() {
+        return value;
+    }
+
+    public void setDate(Date date) {
+        this.date = date;
+    }
+
+    public void setValue(Integer value) {
+        this.value = value;
+    }
+
+    public TimeSeries getTimeSeriesType() {
+        return timeSeries;
+    }
+
+    public void setTimeSeriesType(TimeSeries timeSeries) {
+        this.timeSeries = timeSeries;
+    }
+}

src/main/resources/db/changelog-20220422_120000-schema.xml

@@ -0,0 +1,44 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
+    <changeSet author="orion" id="20220422-120000-1">
+        <createTable tableName="time_series">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="name" type="varchar(255)">
+                <constraints nullable="false"/>
+            </column>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_time_series" tableName="time_series"/>
+
+        <createTable tableName="time_series_value">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="time_series_id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="date" type="timestamp">
+                <constraints nullable="false"/>
+            </column>
+            <column name="value" type="integer">
+                <constraints nullable="false"/>
+            </column>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_time_series_value" tableName="time_series_value"/>
+        <addForeignKeyConstraint baseTableName="time_series_value" baseColumnNames="time_series_id"
+                                 constraintName="fk_time_series"
+                                 referencedTableName="time_series"
+                                 referencedColumnNames="id"/>
+    </changeSet>
+    <changeSet author="orion" id="20220422-120000-2">
+        <addColumn tableName="time_series">
+            <column name="version" type="integer"/>
+        </addColumn>
+        <addColumn tableName="time_series_value">
+            <column name="version" type="integer"/>
+        </addColumn>
+    </changeSet>
+</databaseChangeLog>

src/main/resources/db/changelog-master.xml

@@ -12,4 +12,5 @@
     <include file="db/changelog-20210326_170000-schema.xml"/>
     <include file="db/changelog-20210329_120000-schema.xml"/>
     <include file="db/changelog-20210412_100000-schema.xml"/>
+    <include file="db/changelog-20220422_120000-schema.xml"/>
 </databaseChangeLog>