io.ebeaninternal.server.deploy.AssocOneHelpRefExported Maven / Gradle / Ivy

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ebean core module

There is a newer version: 15.8.0

package io.ebeaninternal.server.deploy;

import io.ebeaninternal.server.query.SqlJoinType;

/**
 * Helper for BeanPropertyAssocOne for OneToOne exported reference - not so common.
 */
final class AssocOneHelpRefExported extends AssocOneHelp {

  private final boolean softDelete;
  private final String softDeletePredicate;

  AssocOneHelpRefExported(BeanPropertyAssocOne property) {
    super(property);
    this.softDelete = property.targetDescriptor.isSoftDelete();
    this.softDeletePredicate = (softDelete) ? property.targetDescriptor.softDeletePredicate("") : null;
  }

  /**
   * Append columns for foreign key columns.
   */
  @Override
  void appendSelect(DbSqlContext ctx, boolean subQuery) {
    // set appropriate tableAlias for the exported id columns
    String relativePrefix = ctx.relativePrefix(property.name());
    ctx.pushTableAlias(relativePrefix);
    property.targetIdBinder.appendSelect(ctx, subQuery);
    ctx.popTableAlias();
  }

  @Override
  void appendFrom(DbSqlContext ctx, SqlJoinType joinType) {
    String relativePrefix = ctx.relativePrefix(property.name());
    if (softDelete && !ctx.isIncludeSoftDelete()) {
      property.tableJoin.addJoin(joinType, relativePrefix, ctx, softDeletePredicate);
    } else {
      property.tableJoin.addJoin(joinType, relativePrefix, ctx);
    }
  }
}