com.avaje.ebeaninternal.server.deploy.TableJoinColumn Maven / Gradle / Ivy
package com.avaje.ebeaninternal.server.deploy;
import com.avaje.ebeaninternal.server.core.InternString;
import com.avaje.ebeaninternal.server.deploy.meta.DeployTableJoinColumn;
/**
* A join pair of local and foreign properties.
*/
public class TableJoinColumn {
/**
* The local database column name.
*/
private final String localDbColumn;
/**
* The foreign database column name.
*/
private final String foreignDbColumn;
private final boolean insertable;
private final boolean updateable;
/**
* Hash for including in a query plan
*/
private final int queryHash;
/**
* Create the pair.
*/
public TableJoinColumn(DeployTableJoinColumn deploy) {
this.localDbColumn = InternString.intern(deploy.getLocalDbColumn());
this.foreignDbColumn = InternString.intern(deploy.getForeignDbColumn());
this.insertable = deploy.isInsertable();
this.updateable = deploy.isUpdateable();
this.queryHash = hash();
}
int hash() {
int result = localDbColumn != null ? localDbColumn.hashCode() : 0;
result = 31 * result + (foreignDbColumn != null ? foreignDbColumn.hashCode() : 0);
result = 31 * result + (insertable ? 1 : 0);
result = 31 * result + (updateable ? 1 : 0);
return result;
}
@Override
public int hashCode() {
return queryHash;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
TableJoinColumn that = (TableJoinColumn) o;
if (insertable != that.insertable) return false;
if (updateable != that.updateable) return false;
if (!localDbColumn.equals(that.localDbColumn)) return false;
return foreignDbColumn.equals(that.foreignDbColumn);
}
public String toString() {
return localDbColumn + " = " + foreignDbColumn;
}
/**
* Return a hash for including in a query plan.
*/
public int queryHash() {
return queryHash;
}
/**
* Return the foreign database column name.
*/
public String getForeignDbColumn() {
return foreignDbColumn;
}
/**
* Return the local database column name.
*/
public String getLocalDbColumn() {
return localDbColumn;
}
/**
* Return true if this column should be insertable.
*/
public boolean isInsertable() {
return insertable;
}
/**
* Return true if this column should be updateable.
*/
public boolean isUpdateable() {
return updateable;
}
}