jp.tricreo.schemagenerator.domain.model.impl.SqlActionImpl.java Source code

Introduction

Here is the source code for jp.tricreo.schemagenerator.domain.model.impl.SqlActionImpl.java

Source

/*
 * Copyright 2010 TRICREO, Inc. (http://tricreo.jp/)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package jp.tricreo.schemagenerator.domain.model.impl;

import java.sql.SQLException;
import java.sql.Statement;

import jp.tricreo.schemagenerator.domain.model.Action;
import jp.tricreo.schemagenerator.domain.model.ActionContext;
import jp.tricreo.schemagenerator.exception.SQLRuntimeException;
import jp.tricreo.schemagenerator.infrastructure.utils.CloseableUtil;

import org.apache.commons.lang.Validate;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;

/**
 * SQL?
 * 
 * <p>?Immutable????</p>
 * 
 * @author junichi
 */
public final class SqlActionImpl implements Action<SqlActionImpl> {

    private final String sql;

    /**
     * ??
     * 
     * @param sql ?SQL
     */
    public SqlActionImpl(String sql) {
        Validate.notNull(sql);
        this.sql = sql;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        SqlActionImpl other = (SqlActionImpl) obj;
        return sameValueAs(other);
    }

    @Override
    public void execute(ActionContext actionContext) {
        Validate.notNull(actionContext);
        Statement statement = null;
        try {
            statement = actionContext.getConnection().createStatement();
            if (statement.executeUpdate(sql) > 0) {
                actionContext.getLogger().debug("sql = " + sql);
            }
        } catch (SQLException e) {
            throw new SQLRuntimeException(e);
        } finally {
            CloseableUtil.close(statement);
        }
    }

    /**
     * SQL??
     * 
     * @return SQL
     */
    public String getSql() {
        return sql;
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder().append(sql).toHashCode();
    }

    @Override
    public boolean sameValueAs(SqlActionImpl other) {
        return new EqualsBuilder().append(sql, other.sql).isEquals();
    }

    @Override
    public String toString() {
        return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
    }

}