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/**
* Copyright 2010-2015 Axel Fontaine
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.contrastsecurity.cassandra.migration.info;
import com.contrastsecurity.cassandra.migration.config.MigrationType;
import java.util.Date;
/**
* A migration applied to the database (maps to a row in the metadata table).
*/
public class AppliedMigration implements Comparable {
/**
* The position of this version amongst all others. (For easy order by sorting)
*/
private int versionRank;
/**
* The order in which this migration was applied amongst all others. (For out of order detection)
*/
private int installedRank;
/**
* The target version of this migration.
*/
private MigrationVersion version;
/**
* The description of the migration.
*/
private String description;
/**
* The type of migration (CQL, JAVA_DRIVER, ...)
*/
private MigrationType type;
/**
* The name of the script to execute for this migration, relative to its classpath location.
*/
private String script;
/**
* The checksum of the migration. (Optional)
*/
private Integer checksum;
/**
* The timestamp when this migration was installed.
*/
private Date installedOn;
/**
* The user that installed this migration.
*/
private String installedBy;
/**
* The execution time (in millis) of this migration.
*/
private int executionTime;
/**
* Flag indicating whether the migration was successful or not.
*/
private boolean success;
/**
* Creates a new applied migration. Only called from the RowMapper.
*
* @param versionRank The position of this version amongst all others. (For easy order by sorting)
* @param installedRank The order in which this migration was applied amongst all others. (For out of order detection)
* @param version The target version of this migration.
* @param description The description of the migration.
* @param type The type of migration (INIT, CQL, ...)
* @param script The name of the script to execute for this migration, relative to its classpath location.
* @param checksum The checksum of the migration. (Optional)
* @param installedOn The timestamp when this migration was installed.
* @param installedBy The user that installed this migration.
* @param executionTime The execution time (in millis) of this migration.
* @param success Flag indicating whether the migration was successful or not.
*/
public AppliedMigration(int versionRank, int installedRank, MigrationVersion version, String description, MigrationType type,
String script, Integer checksum, Date installedOn,
String installedBy, int executionTime, boolean success) {
this.versionRank = versionRank;
this.installedRank = installedRank;
this.version = version;
this.description = description;
this.type = type;
this.script = script;
this.checksum = checksum;
this.installedOn = installedOn;
this.installedBy = installedBy;
this.executionTime = executionTime;
this.success = success;
}
/**
* Creates a new applied migration.
*
* @param version The target version of this migration.
* @param description The description of the migration.
* @param type The type of migration (INIT, CQL, ...)
* @param script The name of the script to execute for this migration, relative to its classpath location.
* @param checksum The checksum of the migration. (Optional)
* @param installedBy The user that installed this migration.
* @param executionTime The execution time (in millis) of this migration.
* @param success Flag indicating whether the migration was successful or not.
*/
public AppliedMigration(MigrationVersion version, String description, MigrationType type, String script,
Integer checksum, String installedBy, int executionTime, boolean success) {
this.version = version;
this.description = abbreviateDescription(description);
this.type = type;
this.script = abbreviateScript(script);
this.checksum = checksum;
this.installedBy = installedBy;
this.executionTime = executionTime;
this.success = success;
}
/**
* Abbreviates this description to a length that will fit in the database.
*
* @param description The description to process.
* @return The abbreviated version.
*/
private String abbreviateDescription(String description) {
if (description == null) {
return null;
}
if (description.length() <= 200) {
return description;
}
return description.substring(0, 197) + "...";
}
/**
* Abbreviates this script to a length that will fit in the database.
*
* @param script The script to process.
* @return The abbreviated version.
*/
private String abbreviateScript(String script) {
if (script == null) {
return null;
}
if (script.length() <= 1000) {
return script;
}
return "..." + script.substring(3, 1000);
}
/**
* @return The position of this version amongst all others. (For easy order by sorting)
*/
public int getVersionRank() {
return versionRank;
}
/**
* @return The order in which this migration was applied amongst all others. (For out of order detection)
*/
public int getInstalledRank() {
return installedRank;
}
/**
* @return The target version of this migration.
*/
public MigrationVersion getVersion() {
return version;
}
/**
* @return The description of the migration.
*/
public String getDescription() {
return description;
}
/**
* @return The type of migration (INIT, CQL, ...)
*/
public MigrationType getType() {
return type;
}
/**
* @return The name of the script to execute for this migration, relative to its classpath location.
*/
public String getScript() {
return script;
}
/**
* @return The checksum of the migration. (Optional)
*/
public Integer getChecksum() {
return checksum;
}
/**
* @return The timestamp when this migration was installed.
*/
public Date getInstalledOn() {
return installedOn;
}
/**
* @return The user that installed this migration.
*/
public String getInstalledBy() {
return installedBy;
}
/**
* @return The execution time (in millis) of this migration.
*/
public int getExecutionTime() {
return executionTime;
}
/**
* @return Flag indicating whether the migration was successful or not.
*/
public boolean isSuccess() {
return success;
}
@SuppressWarnings("SimplifiableIfStatement")
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
AppliedMigration that = (AppliedMigration) o;
if (executionTime != that.executionTime) return false;
if (installedRank != that.installedRank) return false;
if (success != that.success) return false;
if (versionRank != that.versionRank) return false;
if (checksum != null ? !checksum.equals(that.checksum) : that.checksum != null) return false;
if (!description.equals(that.description)) return false;
if (installedBy != null ? !installedBy.equals(that.installedBy) : that.installedBy != null) return false;
if (installedOn != null ? !installedOn.equals(that.installedOn) : that.installedOn != null) return false;
if (!script.equals(that.script)) return false;
if (type != that.type) return false;
return version.equals(that.version);
}
@Override
public int hashCode() {
int result = versionRank;
result = 31 * result + installedRank;
result = 31 * result + version.hashCode();
result = 31 * result + description.hashCode();
result = 31 * result + type.hashCode();
result = 31 * result + script.hashCode();
result = 31 * result + (checksum != null ? checksum.hashCode() : 0);
result = 31 * result + (installedOn != null ? installedOn.hashCode() : 0);
result = 31 * result + (installedBy != null ? installedBy.hashCode() : 0);
result = 31 * result + executionTime;
result = 31 * result + (success ? 1 : 0);
return result;
}
@SuppressWarnings("NullableProblems")
public int compareTo(AppliedMigration o) {
return version.compareTo(o.version);
}
}
