com.avaje.ebeaninternal.api.HashQueryPlan Maven / Gradle / Ivy
package com.avaje.ebeaninternal.api;
/**
* A hash for a query plan.
*/
public class HashQueryPlan {
private final String rawSql;
private final int planHash;
private final int bindCount;
public HashQueryPlan(String rawSql, int planHash, int bindCount) {
this.rawSql = rawSql;
this.planHash = planHash;
this.bindCount = bindCount;
}
public String toString() {
return planHash+":"+bindCount+(rawSql != null ? ":r" : "");
}
/**
* Return as a partial key. For rawSql hash the sql is part of the key and as such
* needs to be included in order to have a complete key. Typically the MD5 of the sql
* can be used as a shot form proxy for the actual sql.
*/
public String getPartialKey() {
return planHash+"_"+bindCount;
}
public int hashCode() {
int hc = planHash;
hc = hc * 31 + bindCount;
hc = hc * 31 + (rawSql == null ? 0 : rawSql.hashCode());
return hc;
}
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof HashQueryPlan)) {
return false;
}
HashQueryPlan e = (HashQueryPlan) obj;
//noinspection StringEquality
return e.planHash == planHash
&& e.bindCount == bindCount
&& ((e.rawSql == rawSql) || (e.rawSql != null && e.rawSql.equals(rawSql)));
}
}