io.ebeaninternal.server.persist.dml.UpdatePlan Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ebean Show documentation

composite of common runtime dependencies for all platforms

There is a newer version: 15.10.0

package io.ebeaninternal.server.persist.dml;

import io.ebean.bean.EntityBean;
import io.ebeaninternal.api.ConcurrencyMode;
import io.ebeaninternal.api.SpiUpdatePlan;
import io.ebeaninternal.server.persist.dmlbind.Bindable;

import java.sql.SQLException;

/**
 * Plan for executing bean updates for a given set of changed properties.
 */
class UpdatePlan implements SpiUpdatePlan {

  private final String key;

  private final ConcurrencyMode mode;

  private final String sql;

  private final Bindable set;

  private final long timeCreated;

  private final boolean emptySetClause;

  private long timeLastUsed;

  /**
   * Create a non cached UpdatePlan.
   */
  UpdatePlan(ConcurrencyMode mode, String sql, Bindable set) {
    this(null, mode, sql, set);
  }

  /**
   * Create a UpdatePlan with a given key.
   */
  UpdatePlan(String key, ConcurrencyMode mode, String sql, Bindable set) {
    this.emptySetClause = (sql == null);
    this.key = key;
    this.mode = mode;
    this.sql = sql;
    this.set = set;
    this.timeCreated = System.currentTimeMillis();
  }

  @Override
  public boolean isEmptySetClause() {
    return emptySetClause;
  }

  /**
   * Run the prepared statement binding for the 'update set' properties.
   */
  @Override
  public void bindSet(DmlHandler bind, EntityBean bean) throws SQLException {
    set.dmlBind(bind, bean);
    // atomic on 64 bit jvm
    this.timeLastUsed = System.currentTimeMillis();
  }

  /**
   * Return the time this plan was created.
   */
  @Override
  public long getTimeCreated() {
    return timeCreated;
  }

  /**
   * Return the time this plan was last used.
   */
  @Override
  public long getTimeLastUsed() {
    return timeLastUsed;
  }

  /**
   * Return the key.
   */
  @Override
  public String getKey() {
    return key;
  }

  /**
   * Return the concurrency mode for this plan.
   */
  @Override
  public ConcurrencyMode getMode() {
    return mode;
  }

  /**
   * Return the DML statement.
   */
  @Override
  public String getSql() {
    return sql;
  }

  /**
   * Return the Bindable properties for the update set.
   */
  @Override
  public Bindable getSet() {
    return set;
  }

}