com.speedment.runtime.connector.sqlite.internal.SqliteDbmsType Maven / Gradle / Ivy

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A Speedment bundle that shades all dependencies into one jar. This is useful when deploying an application on a server.
There is a newer version: 3.1.18
/**
 *
 * Copyright (c) 2006-2019, Speedment, Inc. All Rights Reserved.
 *
 * 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 com.speedment.runtime.connector.sqlite.internal;

import com.speedment.common.injector.annotation.ExecuteBefore;
import com.speedment.common.injector.annotation.Inject;
import com.speedment.common.injector.annotation.WithState;
import com.speedment.runtime.core.component.DbmsHandlerComponent;
import com.speedment.runtime.core.db.*;
import com.speedment.runtime.core.db.metadata.TypeInfoMetaData;

import java.util.List;
import java.util.Optional;
import java.util.Set;

import static com.speedment.common.injector.State.CREATED;
import static com.speedment.common.injector.State.INITIALIZED;
import static java.util.Collections.emptySet;

/**
 * Implementation of {@link DbmsType} for the SQLite database type.
 *
 * @author Emil Forslund
 * @since  3.1.10
 */
public final class SqliteDbmsType implements DbmsType {

    public final static String SQLITE = "SQLite";

    private @Inject DriverComponent drivers;
    private @Inject SqliteMetadataHandler metadataHandler;
    private @Inject SqliteOperationHandler operationHandler;

    @ExecuteBefore(INITIALIZED)
    void install(@WithState(CREATED) DbmsHandlerComponent component) {
        component.install(this);
    }

    @Override
    public boolean hasSchemaNames() {
        return false;
    }

    @Override
    public boolean hasDatabaseNames() {
        return false;
    }

    @Override
    public boolean hasDatabaseUsers() {
        return false;
    }

    @Override
    public String getName() {
        return SQLITE;
    }

    @Override
    public String getDriverManagerName() {
        return "SQLite JDBC Driver";
    }

    @Override
    public ConnectionType getConnectionType() {
        return ConnectionType.DBMS_AS_FILE;
    }

    @Override
    public int getDefaultPort() {
        return 0; // In SQLite, you connect to a file directly.
    }

    @Override
    public String getSchemaTableDelimiter() {
        return "";
    }

    @Override
    public String getDbmsNameMeaning() {
        return "The name of the file where data is persisted.";
    }

    @Override
    public Optional getDefaultDbmsName() {
        return Optional.empty();
    }

    @Override
    public boolean isSupported() {
        return drivers.driver(getDriverName()).isPresent();
    }

    @Override
    public String getDriverName() {
        return "org.sqlite.JDBC";
    }

    @Override
    public DatabaseNamingConvention getDatabaseNamingConvention() {
        return new SqliteNamingConvention();
    }

    @Override
    public DbmsMetadataHandler getMetadataHandler() {
        return metadataHandler;
    }

    @Override
    public DbmsOperationHandler getOperationHandler() {
        return operationHandler;
    }

    @Override
    public DbmsColumnHandler getColumnHandler() {
        return new SqliteColumnHandler();
    }

    @Override
    public String getResultSetTableSchema() {
        throw new UnsupportedOperationException(
            "SQLite does not have concept of 'schemas', so this method " +
            "should not be invoked."
        );
    }

    @Override
    public ConnectionUrlGenerator getConnectionUrlGenerator() {
        return new SqliteConnectionUrlGenerator();
    }

    @Override
    public FieldPredicateView getFieldPredicateView() {
        return new SqliteFieldPredicateView();
    }

    @Override
    public Set getDataTypes() {
        return emptySet();
    }

    @Override
    public String getInitialQuery() {
        return "SELECT 1";
    }

    @Override
    public SkipLimitSupport getSkipLimitSupport() {
        return SkipLimitSupport.STANDARD;
    }

    @Override
    public String applySkipLimit(String originalSql, List