package liquibase.precondition.core;
import liquibase.exception.ValidationErrors;
import liquibase.exception.Warnings;
import liquibase.precondition.AbstractPrecondition;
import liquibase.precondition.Precondition;
import liquibase.database.Database;
import liquibase.changelog.DatabaseChangeLog;
import liquibase.changelog.ChangeSet;
import liquibase.changelog.ChangeLogParameters;
import liquibase.exception.PreconditionFailedException;
import liquibase.exception.PreconditionErrorException;
public class ChangeLogPropertyDefinedPrecondition extends AbstractPrecondition {
private String property;
private String value;
@Override
public String getSerializedObjectNamespace() {
return STANDARD_CHANGELOG_NAMESPACE;
}
@Override
public String getName() {
return "changeLogPropertyDefined";
}
public String getProperty() {
return property;
}
public void setProperty(String property) {
this.property = property;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
@Override
public Warnings warn(Database database) {
return new Warnings();
}
@Override
public ValidationErrors validate(Database database) {
return new ValidationErrors();
}
@Override
public void check(Database database, DatabaseChangeLog changeLog, ChangeSet changeSet) throws PreconditionFailedException, PreconditionErrorException {
ChangeLogParameters changeLogParameters = changeLog.getChangeLogParameters();
if (changeLogParameters == null) {
throw new PreconditionFailedException("No Changelog properties were set", changeLog, this);
}
Object propertyValue = changeLogParameters.getValue(property);
if (propertyValue == null) {
throw new PreconditionFailedException("Changelog property '"+ property +"' was not set", changeLog, this);
}
if (value != null && !propertyValue.toString().equals(value)) {
throw new PreconditionFailedException("Expected changelog property '"+ property +"' to have a value of '"+value+"'. Got '"+propertyValue+"'", changeLog, this);
}
}
}