org.jooq.impl.CreateIndexImpl Maven / Gradle / Ivy
/**
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* 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.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.impl;
import static java.util.Arrays.asList;
import static org.jooq.Clause.CREATE_INDEX;
// ...
// ...
// ...
import static org.jooq.SQLDialect.DERBY;
import static org.jooq.SQLDialect.FIREBIRD;
// ...
// ...
// ...
import static org.jooq.impl.DSL.name;
import static org.jooq.impl.DSL.table;
import static org.jooq.impl.Keywords.K_CREATE;
import static org.jooq.impl.Keywords.K_IF_NOT_EXISTS;
import static org.jooq.impl.Keywords.K_INDEX;
import static org.jooq.impl.Keywords.K_ON;
import static org.jooq.impl.Keywords.K_UNIQUE;
import static org.jooq.impl.Keywords.K_WHERE;
import static org.jooq.impl.Tools.EMPTY_SORTFIELD;
import java.util.Collection;
import org.jooq.Clause;
import org.jooq.Condition;
import org.jooq.Configuration;
import org.jooq.Context;
import org.jooq.CreateIndexStep;
import org.jooq.CreateIndexWhereStep;
import org.jooq.Field;
import org.jooq.Index;
import org.jooq.Name;
import org.jooq.OrderField;
import org.jooq.QueryPart;
import org.jooq.SQL;
import org.jooq.SortField;
import org.jooq.Table;
/**
* @author Lukas Eder
*/
final class CreateIndexImpl extends AbstractQuery implements
// Cascading interface implementations for CREATE INDEX behaviour
CreateIndexStep,
CreateIndexWhereStep {
/**
* Generated UID
*/
private static final long serialVersionUID = 8904572826501186329L;
private static final Clause[] CLAUSES = { CREATE_INDEX };
private final Index index;
private final boolean unique;
private final boolean ifNotExists;
private Table table;
private Field[] fields;
private SortField[] sortFields;
private Condition where;
CreateIndexImpl(Configuration configuration, Index index, boolean unique, boolean ifNotExists) {
super(configuration);
this.index = index;
this.unique = unique;
this.ifNotExists = ifNotExists;
this.table = index.getTable();
this.sortFields = index.getFields().toArray(EMPTY_SORTFIELD);
this.where = index.getWhere();
}
// ------------------------------------------------------------------------
// XXX: DSL API
// ------------------------------------------------------------------------
@Override
public final CreateIndexImpl on(Table t, OrderField... f) {
this.table = t;
this.sortFields = Tools.sortFields(f);
return this;
}
@Override
public final CreateIndexImpl on(Name tableName, Name... fieldNames) {
return on(table(tableName), Tools.fieldsByName(fieldNames));
}
@Override
public final CreateIndexImpl on(String tableName, String... fieldNames) {
return on(table(name(tableName)), Tools.fieldsByName(fieldNames));
}
@Override
public final CreateIndexImpl where(Condition... conditions) {
where = DSL.and(conditions);
return this;
}
@Override
public final CreateIndexImpl where(Collection conditions) {
where = DSL.and(conditions);
return this;
}
@Override
public final CreateIndexImpl where(Field field) {
return where(DSL.condition(field));
}
@Override
public final CreateIndexImpl where(SQL sql) {
return where(DSL.condition(sql));
}
@Override
public final CreateIndexImpl where(String sql) {
return where(DSL.condition(sql));
}
@Override
public final CreateIndexImpl where(String sql, Object... bindings) {
return where(DSL.condition(sql, bindings));
}
@Override
public final CreateIndexImpl where(String sql, QueryPart... parts) {
return where(DSL.condition(sql, parts));
}
// ------------------------------------------------------------------------
// XXX: QueryPart API
// ------------------------------------------------------------------------
private final boolean supportsIfNotExists(Context ctx) {
return !asList(DERBY, FIREBIRD).contains(ctx.family());
}
@Override
public final void accept(Context ctx) {
if (ifNotExists && !supportsIfNotExists(ctx)) {
Tools.beginTryCatch(ctx, DDLStatementType.CREATE_INDEX);
accept0(ctx);
Tools.endTryCatch(ctx, DDLStatementType.CREATE_INDEX);
}
else {
accept0(ctx);
}
}
private final void accept0(Context ctx) {
ctx.visit(K_CREATE);
if (unique)
ctx.sql(' ')
.visit(K_UNIQUE);
ctx.sql(' ')
.visit(K_INDEX)
.sql(' ');
if (ifNotExists && supportsIfNotExists(ctx))
ctx.visit(K_IF_NOT_EXISTS)
.sql(' ');
ctx.visit(index)
.sql(' ')
.visit(K_ON)
.sql(' ')
.visit(table)
.sql('(')
.qualify(false)
.visit(fields != null ? new QueryPartList(fields) : new QueryPartList(sortFields))
.qualify(true)
.sql(')');
if (where != null)
ctx.sql(' ')
.visit(K_WHERE)
.sql(' ')
.qualify(false)
.visit(where)
.qualify(true);
}
@Override
public final Clause[] clauses(Context ctx) {
return CLAUSES;
}
}