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/**
* File : AppliedMigration.kt
* License :
* Original - Copyright (c) 2010 - 2016 Boxfuse GmbH
* Derivative - Copyright (c) 2016 Citadel Technology Solutions Pte Ltd
*
* 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.builtamont.cassandra.migration.internal.metadatatable
import com.builtamont.cassandra.migration.api.MigrationType
import com.builtamont.cassandra.migration.api.MigrationVersion
import java.util.*
/**
* A migration applied to the database (maps to a row in the metadata table).
*/
class AppliedMigration : Comparable {
/**
* The position of this version amongst all others. (For easy order by sorting)
*/
var versionRank: Int? = null
private set
/**
* The order in which this migration was applied amongst all others. (For out of order detection)
*/
var installedRank: Int? = null
private set
/**
* The target version of this migration.
*/
var version: MigrationVersion? = null
private set
/**
* The description of the migration.
*/
var description: String? = null
private set
/**
* The type of migration (CQL, JAVA_DRIVER, ...)
*/
var type: MigrationType? = null
private set
/**
* The name of the script to execute for this migration, relative to its classpath location.
*/
var script: String? = null
private set
/**
* The checksum of the migration. (Optional)
*/
var checksum: Int? = null
private set
/**
* The timestamp when this migration was installed.
*/
var installedOn: Date? = null
private set
/**
* The user that installed this migration.
*/
var installedBy: String? = null
private set
/**
* The execution time (in millis) of this migration.
*/
var executionTime: Int = 0
private set
/**
* Flag indicating whether the migration was successful or not.
*/
var isSuccess: Boolean = false
private set
/**
* 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.
*/
constructor(
versionRank: Int,
installedRank: Int,
version: MigrationVersion,
description: String,
type: MigrationType,
script: String,
checksum: Int?,
installedOn: Date,
installedBy: String,
executionTime: Int,
success: Boolean
) {
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.isSuccess = 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.
*/
constructor(
version: MigrationVersion,
description: String,
type: MigrationType,
script: String?,
checksum: Int?,
installedBy: String,
executionTime: Int,
success: Boolean
) {
this.version = version
this.description = abbreviateDescription(description)
this.type = type
this.script = abbreviateScript(script)
this.checksum = checksum
this.installedBy = installedBy
this.executionTime = executionTime
this.isSuccess = success
}
/**
* Abbreviates this description to a length that will fit in the database.
*
* @param description The description to process.
* @return The abbreviated version.
*/
private fun abbreviateDescription(description: String?): String? {
return when {
description == null -> null
description.length <= 200 -> description
else -> 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 fun abbreviateScript(script: String?): String? {
return when {
script == null -> null
script.length <= 1000 -> script
else -> "..." + script.substring(3, 1000)
}
}
/**
* @return The computed applied instance hash value.
*/
override fun hashCode(): Int {
var result = versionRank ?: 0
result = 31 * result + (installedRank ?: 0)
result = 31 * result + version!!.hashCode()
result = 31 * result + description!!.hashCode()
result = 31 * result + type!!.hashCode()
result = 31 * result + script!!.hashCode()
result = 31 * result + (checksum?.hashCode() ?: 0)
result = 31 * result + (installedOn?.hashCode() ?: 0)
result = 31 * result + (installedBy?.hashCode() ?: 0)
result = 31 * result + executionTime
result = 31 * result + if (isSuccess) 1 else 0
return result
}
/**
* @return {@code true} if this applied instance is the same as the given object.
*/
@SuppressWarnings("SimplifiableIfStatement")
override fun equals(other: Any?): Boolean {
/**
* @return {@code true} if this applied instance is not the same as the given object.
*/
fun isNotSame(): Boolean {
return other == null || javaClass != other.javaClass
}
/**
* @return {@code true} if this context instance checksum property is not the same as the given object checksum property.
*/
fun isNotSameChecksum(that: AppliedMigration): Boolean {
return if (checksum != null) checksum != that.checksum else that.checksum != null
}
/**
* @return {@code true} if this context instance installed by property is not the same as the given object installed by property.
*/
fun isNotSameInstalledBy(that: AppliedMigration): Boolean {
return if (installedBy != null) installedBy != that.installedBy else that.installedBy != null
}
/**
* @return {@code true} if this context instance installed on property is not the same as the given object resolved installed on property.
*/
fun isNotSameInstalledOn(that: AppliedMigration): Boolean {
return if (installedOn != null) installedOn != that.installedOn else that.installedOn != null
}
val that = other as AppliedMigration? ?: return false
return when {
this === other -> true
isNotSame() -> false
executionTime != that.executionTime -> false
installedRank != that.installedRank -> false
versionRank != that.versionRank -> false
isSuccess != that.isSuccess -> false
isNotSameChecksum(that) -> false
description != that.description -> false
isNotSameInstalledBy(that) -> false
isNotSameInstalledOn(that) -> false
script != that.script -> false
type !== that.type -> false
else -> version == that.version
}
}
/**
* @return {@code true} if this applied instance is comparable to the given object.
*/
@SuppressWarnings("NullableProblems")
override fun compareTo(other: AppliedMigration): Int {
return version!!.compareTo(other.version)
}
}
