com.builtamont.cassandra.migration.internal.info.MigrationInfoContext.kt Maven / Gradle / Ivy
/**
* File : MigrationInfoContext.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.info
import com.builtamont.cassandra.migration.api.MigrationVersion
/**
* The current context of the migrations.
*/
class MigrationInfoContext {
/**
* Whether out of order migrations are allowed.
*/
var outOfOrder: Boolean = false
/**
* Whether pending or future migrations are allowed.
*/
var pendingOrFuture: Boolean = false
/**
* The migration target.
*/
var target: MigrationVersion? = null
/**
* The SCHEMA migration version that was applied.
*/
var schema: MigrationVersion? = null
/**
* The BASELINE migration version that was applied.
*/
var baseline: MigrationVersion? = null
/**
* The last resolved migration.
*/
var lastResolved = MigrationVersion.EMPTY
/**
* The last applied migration.
*/
var lastApplied = MigrationVersion.EMPTY
/**
* @return The computed context instance hash value.
*/
override fun hashCode(): Int {
var result = if (outOfOrder) 1 else 0
result = 31 * result + if (pendingOrFuture) 1 else 0
result = 31 * result + (target?.hashCode() ?: 0)
result = 31 * result + (schema?.hashCode() ?: 0)
result = 31 * result + (baseline?.hashCode() ?: 0)
result = 31 * result + lastResolved.hashCode()
result = 31 * result + lastApplied.hashCode()
return result
}
/**
* @return {@code true} if this context instance is the same as the given object.
*/
@SuppressWarnings("SimplifiableIfStatement")
override fun equals(other: Any?): Boolean {
/**
* @return {@code true} if this context 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 schema property is not the same as the given object schema property.
*/
fun isNotSameSchema(that: MigrationInfoContext): Boolean {
return if (schema != null) schema != that.schema else that.schema != null
}
/**
* @return {@code true} if this context instance baseline property is not the same as the given object baseline property.
*/
fun isNotSameBaseline(that: MigrationInfoContext): Boolean {
return if (baseline != null) baseline != that.baseline else that.baseline != null
}
val that = other as MigrationInfoContext? ?: return false
return when {
this === other -> true
isNotSame() -> false
outOfOrder != that.outOfOrder -> false
pendingOrFuture != that.pendingOrFuture -> false
isNotSameSchema(that) -> false
isNotSameBaseline(that) -> false
lastApplied != that.lastApplied -> false
lastResolved != that.lastResolved -> false
else -> target == that.target
}
}
}