org.kualigan.tools.ant.tasks.DatabaseUpdateTask.txt Maven / Gradle / Ivy

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Custom Liquibase Ant tasks for fast database migration

There is a newer version: 2.0.2

package com.rsmart.kuali.tools.ant.tasks;

import com.rsmart.kuali.tools.liquibase.Liquibase;

import liquibase.CompositeFileOpener;
import liquibase.FileOpener;
import liquibase.FileSystemFileOpener;
import liquibase.UIFactory;
import liquibase.integration.ant.AntFileOpener;
import liquibase.database.Database;
import org.apache.tools.ant.BuildException;

import java.io.Writer;

import java.util.Map;

/**
 * Ant task for migrating a database forward.
 */
public class DatabaseUpdateTask extends BaseLiquibaseTask {
    private boolean dropFirst = false;

    public boolean isDropFirst() {
        return dropFirst;
    }

    public void setDropFirst(boolean dropFirst) {
        this.dropFirst = dropFirst;
    }

    protected Liquibase createLiquibase() throws Exception {
        FileOpener antFO = new AntFileOpener(getProject(), classpath);
        FileOpener fsFO = new FileSystemFileOpener();

        Database database = createDatabaseObject(getDriver(), getUrl(), getUsername(), getPassword(), getDefaultSchemaName(),getDatabaseClass());
        
        String changeLogFile = null;
        if (getChangeLogFile() != null) {
            changeLogFile = getChangeLogFile().trim();
        }
        Liquibase liquibase = new Liquibase(changeLogFile, new CompositeFileOpener(antFO, fsFO), database);
        liquibase.setCurrentDateTimeFunction(getCurrentDateTimeFunction());
        for (Map.Entry entry : getChangeLogProperties().entrySet()) {
            liquibase.setChangeLogParameterValue(entry.getKey(), entry.getValue());
        }

        return liquibase;
    }

    public void execute() throws BuildException {
        if (!shouldRun()) {
            return;
        }

        Liquibase liquibase = null;
        try {
            liquibase = createLiquibase();

            if (isPromptOnNonLocalDatabase()
                    && !liquibase.isSafeToRunMigration()
                    && UIFactory.getInstance().getFacade().promptForNonLocalDatabase(liquibase.getDatabase())) {
                throw new BuildException("Chose not to run against non-production database");
            }

            if (isDropFirst()) {
                liquibase.dropAll();
            }

            Writer writer = createOutputWriter();
            if (writer == null) {
                liquibase.update(getContexts());
            } else {
                liquibase.update(getContexts(), writer);
                writer.flush();
                writer.close();
            }

        } catch (Exception e) {
            throw new BuildException(e);
        } finally {
            closeDatabase(liquibase);
        }
    }
}