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Liquibase is a tool for managing and executing database changes.
package liquibase.database.core;
import liquibase.CatalogAndSchema;
import liquibase.Liquibase;
import liquibase.change.Change;
import liquibase.changelog.*;
import liquibase.database.*;
import liquibase.exception.DatabaseException;
import liquibase.exception.DatabaseHistoryException;
import liquibase.exception.ValidationErrors;
import liquibase.lockservice.DatabaseChangeLogLock;
import liquibase.sql.visitor.SqlVisitor;
import liquibase.statement.DatabaseFunction;
import liquibase.statement.SqlStatement;
import liquibase.structure.DatabaseObject;
import liquibase.structure.core.Schema;
import java.io.Writer;
import java.math.BigInteger;
import java.sql.Connection;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Collection;
import java.util.Date;
import java.util.List;
/**
* A DBMS that effectively does nothing, but it is useful for tests where everything should work in the same way
* for all databases.
*/
// Most of the methods here are empty because this is, after all, a Database that is supposed not to do much.
@SuppressWarnings("squid:S1186")
public class MockDatabase implements Database, InternalDatabase {
private static final int FETCH_SIZE = 1000;
private boolean outputDefaultSchema;
private boolean outputDefaultCatalog;
private boolean supportsCatalogs = true;
private boolean supportsSchemas = true;
private boolean supportsSequences = true;
private String defaultCatalogName;
private String defaultSchemaName;
private boolean caseSensitive;
private DatabaseConnection connection = new MockDatabaseConnection();
private String currentDateTimeFunction = "DATETIME()";
@Override
public Integer getDefaultScaleForNativeDataType(String nativeDataType) {
// Nothing special to do for the mock database.
return null;
}
@Override
public int getPriority() {
return PRIORITY_DEFAULT;
}
public Schema getSchema() {
return null;
}
public String getName() {
return "Mock Database";
}
@Override
public CatalogAndSchema getDefaultSchema() {
return new CatalogAndSchema("default", "default");
}
@Override
public Integer getDefaultPort() {
return null;
}
public DatabaseObject[] getContainingObjects() {
return null;
}
public boolean equals(final DatabaseObject otherObject, final Database accordingTo) {
return otherObject.getName().equalsIgnoreCase(this.getName());
}
@Override
public void setCanCacheLiquibaseTableInfo(final boolean canCacheLiquibaseTableInfo) {
//
}
@Override
public boolean requiresUsername() {
return false;
}
@Override
public boolean requiresPassword() {
return false;
}
@Override
public boolean isCorrectDatabaseImplementation(final DatabaseConnection conn) {
return false;
}
@Override
public String getDefaultDriver(final String url) {
return null;
}
@Override
public DatabaseConnection getConnection() {
return connection;
}
@Override
public void setConnection(final DatabaseConnection conn) {
this.connection = conn;
}
public void setConnection(final Connection conn) {
}
@Override
public boolean getAutoCommitMode() {
return false;
}
@Override
public boolean isAutoCommit() {
return false;
}
@Override
public void setAutoCommit(final boolean b) {
}
@Override
public boolean isCaseSensitive() {
return caseSensitive;
}
public void setCaseSensitive(boolean caseSensitive) {
this.caseSensitive = caseSensitive;
}
@Override
public boolean supportsDDLInTransaction() {
return false;
}
@Override
public String getDatabaseProductName() {
return null;
}
@Override
public String getDatabaseProductVersion() {
return null;
}
@Override
public int getDatabaseMajorVersion() {
return 0;
}
@Override
public int getDatabaseMinorVersion() {
return 0;
}
@Override
public String getShortName() {
return "mock";
}
public String getDriverName() {
return null;
}
public String getConnectionURL() {
return null;
}
public String getConnectionUsername() {
return null;
}
@Override
public String getDefaultCatalogName() {
return defaultCatalogName;
}
@Override
public void setDefaultCatalogName(final String catalogName) {
this.defaultCatalogName = catalogName;
}
@Override
public String getDefaultSchemaName() {
return defaultSchemaName;
}
@Override
public void setDefaultSchemaName(final String schemaName) {
this.defaultSchemaName = schemaName;
}
@Override
public boolean supportsInitiallyDeferrableColumns() {
return false;
}
@Override
public boolean supportsSequences() {
return supportsSequences;
}
public void setSupportsSequences(boolean supportsSequences) {
this.supportsSequences = supportsSequences;
}
@Override
public boolean supportsDropTableCascadeConstraints() {
return false;
}
@Override
public boolean supportsAutoIncrement() {
return true;
}
@Override
public String getDateLiteral(final String isoDate) {
return isoDate;
}
@Override
public String getDateLiteral(final java.sql.Date date) {
return date.toString();
}
@Override
public String getTimeLiteral(final Time time) {
return time.toString();
}
@Override
public String getDateTimeLiteral(final Timestamp timeStamp) {
return timeStamp.toString();
}
@Override
public String getCurrentDateTimeFunction() {
return currentDateTimeFunction;
}
@Override
public void setCurrentDateTimeFunction(final String function) {
this.currentDateTimeFunction = function;
}
@Override
public String getLineComment() {
return "--";
}
@Override
public String getAutoIncrementClause(final BigInteger startWith, final BigInteger incrementBy, final String generationType, final Boolean defaultOnNull) {
if (startWith != null) {
return " " + startWith;
}
else {
return " " + incrementBy;
}
}
public SqlStatement getCommitSQL() {
return null;
}
/**
* @see liquibase.database.Database#getDatabaseChangeLogTableName()
*/
@Override
public String getDatabaseChangeLogTableName() {
return "DATABASECHANGELOG";
}
/**
* Does nothing
*
* @see liquibase.database.Database#setDatabaseChangeLogTableName(java.lang.String)
*/
@Override
public void setDatabaseChangeLogTableName(final String tableName) {
}
/**
* @see liquibase.database.Database#getDatabaseChangeLogLockTableName()
*/
@Override
public String getDatabaseChangeLogLockTableName() {
return "DATABASECHANGELOGLOCK";
}
/**
* Does nothing
*
* @see liquibase.database.Database#setDatabaseChangeLogLockTableName(java.lang.String)
*/
@Override
public void setDatabaseChangeLogLockTableName(final String tableName) {
}
@Override
public String getConcatSql(final String... values) {
return null;
}
public boolean acquireLock(final Liquibase liquibase) {
return false;
}
public void releaseLock() {
}
public DatabaseChangeLogLock[] listLocks() {
return new DatabaseChangeLogLock[0];
}
@Override
public void dropDatabaseObjects(final CatalogAndSchema schema) {
}
@Override
public void tag(final String tagString) {
}
@Override
public boolean doesTagExist(final String tag) {
return false;
}
@Override
public boolean isSystemObject(final DatabaseObject example) {
return false;
}
@Override
public boolean isLiquibaseObject(final DatabaseObject object) {
return false;
}
@Override
public boolean supportsTablespaces() {
return false;
}
@Override
public String getViewDefinition(final CatalogAndSchema schema, final String name) {
return null;
}
public String getDatabaseProductName(final DatabaseConnection conn) {
return "Mock Database";
}
@Override
public String getDateLiteral(final Date defaultDateValue) {
return defaultDateValue.toString();
}
@Override
public String escapeTableName(final String catalogName, final String schemaName, final String tableName) {
if (schemaName == null) {
return tableName;
} else {
return schemaName+"."+tableName;
}
}
@Override
public String escapeIndexName(final String catalogName, final String schemaName, final String indexName) {
return escapeTableName(catalogName, schemaName, indexName);
}
@Override
public String escapeColumnName(final String catalogName, final String schemaName, final String tableName,
final String columnName) {
return columnName;
}
@Override
public String escapeColumnName(String catalogName, String schemaName, String tableName, String columnName,
boolean quoteNamesThatMayBeFunctions) {
return columnName;
}
@Override
public String escapeColumnNameList(final String columnNames) {
return columnNames;
}
@Override
public String escapeSequenceName(final String catalogName, final String schemaName, final String sequenceName) {
if (sequenceName == null) {
return sequenceName;
} else {
return schemaName+"."+sequenceName;
}
}
public String convertRequestedSchemaToSchema(final String requestedSchema) {
return requestedSchema;
}
public String convertRequestedSchemaToCatalog(final String requestedSchema) {
return null;
}
@Override
public boolean supportsSchemas() {
return supportsSchemas;
}
public void setSupportsSchemas(boolean supportsSchemas) {
this.supportsSchemas = supportsSchemas;
}
@Override
public boolean supportsCatalogs() {
return supportsCatalogs;
}
@Override
public CatalogAndSchema.CatalogAndSchemaCase getSchemaAndCatalogCase() {
return CatalogAndSchema.CatalogAndSchemaCase.UPPER_CASE;
}
public void setSupportsCatalogs(boolean supportsCatalogs) {
this.supportsCatalogs = supportsCatalogs;
}
public boolean supportsCatalogInObjectName() {
return true;
}
@Override
public String generatePrimaryKeyName(final String tableName) {
return "PK_"+tableName;
}
@Override
public String escapeViewName(final String catalogName, final String schemaName, final String viewName) {
return escapeTableName(catalogName, schemaName, viewName);
}
public boolean acquireLock() {
return false;
}
@Override
public ChangeSet.RunStatus getRunStatus(final ChangeSet changeSet) throws DatabaseException, DatabaseHistoryException {
return null;
}
@Override
public RanChangeSet getRanChangeSet(final ChangeSet changeSet) throws DatabaseException, DatabaseHistoryException {
return ChangeLogHistoryServiceFactory.getInstance().getChangeLogService(this).getRanChangeSet(changeSet);
}
@Override
public void markChangeSetExecStatus(final ChangeSet changeSet, final ChangeSet.ExecType execType) throws DatabaseException {
ChangeLogHistoryServiceFactory.getInstance().getChangeLogService(this).setExecType(changeSet, execType);
}
@Override
public List getRanChangeSetList() throws DatabaseException {
return ChangeLogHistoryServiceFactory.getInstance().getChangeLogService(this).getRanChangeSets();
}
@Override
public Date getRanDate(final ChangeSet changeSet) throws DatabaseException, DatabaseHistoryException {
return getRanChangeSet(changeSet).getDateExecuted();
}
@Override
public void removeRanStatus(final ChangeSet changeSet) throws DatabaseException {
ChangeLogHistoryServiceFactory.getInstance().getChangeLogService(this).removeFromHistory(changeSet);
}
@Override
public void commit() {
}
@Override
public void rollback() {
}
public SqlStatement getSelectChangeLogLockSQL() {
return null;
}
@Override
public String escapeStringForDatabase(final String string) {
return string;
}
@Override
public void close() {
}
@Override
public boolean supportsRestrictForeignKeys() {
return true;
}
@Override
public String escapeConstraintName(final String constraintName) {
return constraintName;
}
@Override
public boolean isSafeToRunUpdate() {
return true;
}
@Override
public String escapeObjectName(final String objectName, final Class objectType) {
return objectName;
}
@Override
public String escapeObjectName(final String catalogName, final String schemaName, final String objectName,
final Class objectType) {
return catalogName +"."+schemaName+"."+objectName;
}
@Override
public void executeStatements(final Change change, final DatabaseChangeLog changeLog,
final List sqlVisitors) {
}
@Override
public void execute(final SqlStatement[] statements, final List sqlVisitors) {
}
@Override
public void saveStatements(final Change change, final List sqlVisitors, final Writer writer) {
}
@Override
public void executeRollbackStatements(final Change change, final List sqlVisitors) {
}
@Override
public void executeRollbackStatements(final SqlStatement[] statements, final List sqlVisitors) {
}
@Override
public void saveRollbackStatement(final Change change, final List sqlVisitors, final Writer writer) {
}
@Override
public String getLiquibaseCatalogName() {
return null;
}
@Override
public void setLiquibaseCatalogName(final String catalogName) {
}
@Override
public String getLiquibaseSchemaName(){
return null;
}
@Override
public void setLiquibaseSchemaName(final String schemaName) {
}
@Override
public String getLiquibaseTablespaceName() {
return null;
}
@Override
public void setLiquibaseTablespaceName(final String tablespaceName) {
}
@Override
public Date parseDate(final String dateAsString) {
return new Date();
}
@Override
public List getDateFunctions() {
return null;
}
@Override
public void resetInternalState() {
}
@Override
public boolean supportsForeignKeyDisable() {
return false;
}
@Override
public boolean disableForeignKeyChecks() {
return false;
}
@Override
public void enableForeignKeyChecks() {
}
public void updateChecksum(final ChangeSet changeSet) {
}
@Override
public boolean isReservedWord(final String string) {
return false;
}
@Override
public CatalogAndSchema correctSchema(final CatalogAndSchema schema) {
return schema.standardize(this);
}
@Override
/**
* Returns name all lower case except for the last letter capital for easier detection of corrected names.
*/
public String correctObjectName(final String name, final Class objectType) {
if (name == null) {
return null;
}
String finalName = name.toLowerCase();
finalName = finalName.substring(0, finalName.length()-1)
+ finalName.substring(finalName.length()-1, finalName.length()).toUpperCase();
return finalName;
}
public String correctObjectName(final String name, final Class objectType,
final boolean quoteCorrectedName) {
return correctObjectName(name, objectType);
}
@Override
public Integer getFetchSize() {
return FETCH_SIZE;
}
@Override
public boolean isFunction(final String string) {
return string.endsWith("()");
}
@Override
public int getDataTypeMaxParameters(final String dataTypeName) {
return 2;
}
public CatalogAndSchema getSchemaFromJdbcInfo(final String rawCatalogName, final String rawSchemaName) {
return new CatalogAndSchema(rawCatalogName, rawSchemaName);
}
public String getJdbcCatalogName(final CatalogAndSchema schema) {
return schema.getCatalogName();
}
public String getJdbcSchemaName(final CatalogAndSchema schema) {
return schema.getSchemaName();
}
public String getJdbcCatalogName(final Schema schema) {
return schema.getCatalogName();
}
public String getJdbcSchemaName(final Schema schema) {
return schema.getName();
}
@Override
public boolean dataTypeIsNotModifiable(final String typeName) {
return true;
}
@Override
public String generateDatabaseFunctionValue(final DatabaseFunction databaseFunction) {
return null;
}
@Override
public ObjectQuotingStrategy getObjectQuotingStrategy() {
return ObjectQuotingStrategy.LEGACY;
}
@Override
public void setObjectQuotingStrategy(final ObjectQuotingStrategy quotingStrategy) {
}
@Override
public boolean supportsCatalogInObjectName(final Class type) {
return true;
}
@Override
public boolean createsIndexesForForeignKeys() {
return false;
}
@Override
public boolean getOutputDefaultSchema() {
return outputDefaultSchema;
}
@Override
public void setOutputDefaultSchema(final boolean outputDefaultSchema) {
this.outputDefaultSchema = outputDefaultSchema;
}
@Override
public boolean getOutputDefaultCatalog() {
return outputDefaultCatalog;
}
@Override
public void setOutputDefaultCatalog(final boolean outputDefaultCatalog) {
this.outputDefaultCatalog = outputDefaultCatalog;
}
@Override
public boolean isDefaultSchema(final String catalog, final String schema) {
return false;
}
@Override
public boolean isDefaultCatalog(final String catalog) {
return false;
}
@Override
public boolean supportsPrimaryKeyNames() {
return true;
}
@Override
public String getSystemSchema() {
return "information_schema";
}
@Override
public void addReservedWords(Collection words) {
}
@Override
public String toString() {
return "Mock database";
}
@Override
public String escapeDataTypeName(String dataTypeName) {
return dataTypeName;
}
@Override
public String unescapeDataTypeName(String dataTypeName) {
return dataTypeName;
}
@Override
public String unescapeDataTypeString(String dataTypeString) {
return dataTypeString;
}
@Override
public ValidationErrors validate() {
return new ValidationErrors();
}
@Override
public boolean supportsNotNullConstraintNames() {
return false;
}
@Override
public boolean supportsBatchUpdates() {
return false;
}
@Override
public int getMaxFractionalDigitsForTimestamp() {
return 9;
}
@Override
public int getDefaultFractionalDigitsForTimestamp() {
return 6;
}
@Override
public boolean requiresExplicitNullForColumns() {
return false;
}
}