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https://issues.apache.org/jira/browse/TINKERPOP-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen Mallette updated TINKERPOP-3170:
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Component/s: process
> Majority of steps violate hashcode/equals contracts
> ---------------------------------------------------
>
> Key: TINKERPOP-3170
> URL: https://issues.apache.org/jira/browse/TINKERPOP-3170
> Project: TinkerPop
> Issue Type: Bug
> Components: process
> Affects Versions: 3.7.3
> Reporter: Andrea Child
> Priority: Major
>
> AbstractStep.java is the parent class for all steps which has the following
> `equals` method implementation which relies on the hashCode value to
> determine equality:
> {code:java}
> @Override
> public boolean equals(final Object other) {
> return other != null && other.getClass().equals(this.getClass()) &&
> this.hashCode() == other.hashCode();
> } {code}
> This is a violation of the hashCode and equals contracts because unequal
> objects may have the same hashCode. This reliance on hashCode comparison for
> equality can lead to unexpected behaviour and bugs which are difficult to
> troubleshoot. Almost all steps use this logic as I can only see 2 which
> override the equals method from the abstract parent.
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