/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. The ASF licenses this file to You
* 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.usergrid.persistence.collection.serialization.impl;
import java.util.UUID;
import org.apache.usergrid.persistence.collection.serialization.UniqueValue;
import org.apache.usergrid.persistence.model.entity.Id;
import org.apache.usergrid.persistence.model.field.Field;
import com.google.common.base.Preconditions;
/**
* Represents a Unique Value of a field within a collection.
*/
public class UniqueValueImpl implements UniqueValue {
private final Field field;
private final Id entityId;
private final UUID entityVersion;
public UniqueValueImpl(final Field field, Id entityId, final UUID version ) {
Preconditions.checkNotNull( field, "field is required" );
Preconditions.checkNotNull( version, "version is required" );
Preconditions.checkNotNull( entityId, "entityId is required" );
this.field = field;
this.entityVersion = version;
this.entityId = entityId;
}
@Override
public Field getField() {
return field;
}
@Override
public UUID getEntityVersion() {
return entityVersion;
}
@Override
public Id getEntityId() {
return entityId;
}
@Override
public boolean equals( final Object o ) {
if ( this == o ) {
return true;
}
if ( o == null || getClass() != o.getClass() ) {
return false;
}
final UniqueValueImpl that = ( UniqueValueImpl ) o;
if ( !getField().equals( that.getField()) ) {
return false;
}
if ( !getEntityVersion().equals( that.getEntityVersion() ) ) {
return false;
}
if ( !getEntityId().equals( that.getEntityId() ) ) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = 31 * getField().hashCode();
result = 31 * result + getEntityVersion().hashCode();
result = 31 * result + getEntityId().hashCode();
return result;
}
@Override
public String toString() {
return "UniqueValueImpl{" +
", field =" + field +
", entityVersion=" + entityVersion +
", entityId =" + entityId +
'}';
}
}