/*
* Copyright 2014 Red Hat, Inc. and/or its affiliates.
*
* 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 org.dashbuilder.dataset;
import org.dashbuilder.dataset.engine.group.IntervalBuilder;
import org.dashbuilder.dataset.engine.group.IntervalBuilderDynamicLabel;
import org.dashbuilder.dataset.engine.group.IntervalBuilderFixedDate;
import org.dashbuilder.dataset.engine.group.IntervalBuilderLocator;
import org.dashbuilder.dataset.group.GroupStrategy;
public class IntervalBuilderLocatorImpl implements IntervalBuilderLocator {
IntervalBuilderDynamicLabel intervalBuilderDynamicLabel;
IntervalBuilderDynamicDate intervalBuilderDynamicDate;
IntervalBuilderFixedDate intervalBuilderFixedDate;
public IntervalBuilderLocatorImpl() {
}
public IntervalBuilderLocatorImpl(IntervalBuilderDynamicLabel intervalBuilderDynamicLabel,
IntervalBuilderDynamicDate intervalBuilderDynamicDate,
IntervalBuilderFixedDate intervalBuilderFixedDate) {
this.intervalBuilderDynamicLabel = intervalBuilderDynamicLabel;
this.intervalBuilderDynamicDate = intervalBuilderDynamicDate;
this.intervalBuilderFixedDate = intervalBuilderFixedDate;
}
public IntervalBuilder lookup(ColumnType columnType, GroupStrategy strategy) {
if (ColumnType.LABEL.equals(columnType)) {
if (GroupStrategy.FIXED.equals(strategy)) return intervalBuilderDynamicLabel;
if (GroupStrategy.DYNAMIC.equals(strategy)) return intervalBuilderDynamicLabel;
}
if (ColumnType.DATE.equals(columnType)) {
if (GroupStrategy.FIXED.equals(strategy)) return intervalBuilderFixedDate;
if (GroupStrategy.DYNAMIC.equals(strategy)) return intervalBuilderDynamicDate;
return intervalBuilderDynamicDate;
}
if (ColumnType.NUMBER.equals(columnType)) {
return intervalBuilderDynamicLabel;
}
if (ColumnType.TEXT.equals(columnType)) {
throw new IllegalArgumentException("TEXT columns do not support grouping.");
}
return null;
}
}