com.contrastsecurity.cassandra.migration.resolver.cql.CqlMigrationExecutor Maven / Gradle / Ivy
package com.contrastsecurity.cassandra.migration.resolver.cql;
import com.contrastsecurity.cassandra.migration.resolver.MigrationExecutor;
import com.contrastsecurity.cassandra.migration.script.CqlScript;
import com.contrastsecurity.cassandra.migration.utils.scanner.Resource;
import com.datastax.driver.core.Session;
/**
* Database migration based on a cql file.
*/
public class CqlMigrationExecutor implements MigrationExecutor {
/**
* The Resource pointing to the cql script.
* The complete cql script is not held as a member field here because this would use the total size of all
* cql migrations files in heap space during db migration.
*/
private final Resource cqlScriptResource;
/**
* The encoding of the cql script.
*/
private final String encoding;
/**
* Creates a new cql script migration based on this cql script.
*
* @param cqlScriptResource The resource containing the cql script.
* @param encoding The encoding of this Cql migration.
*/
public CqlMigrationExecutor(Resource cqlScriptResource, String encoding) {
this.cqlScriptResource = cqlScriptResource;
this.encoding = encoding;
}
@Override
public void execute(Session session) {
CqlScript cqlScript = new CqlScript(cqlScriptResource, encoding);
cqlScript.execute(session);
}
}