org.nd4j.linalg.indexing.conditions.ConditionBuilder Maven / Gradle / Ivy
/*
* ******************************************************************************
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* * This program and the accompanying materials are made available under the
* * terms of the Apache License, Version 2.0 which is available at
* * https://www.apache.org/licenses/LICENSE-2.0.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * 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.
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* * SPDX-License-Identifier: Apache-2.0
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*/
package org.nd4j.linalg.indexing.conditions;
import org.nd4j.common.util.ArrayUtil;
public class ConditionBuilder {
private Condition soFar;
public ConditionBuilder or(Condition... conditions) {
if (soFar == null)
soFar = new Or(conditions);
else {
soFar = new Or(ArrayUtil.combine(conditions, new Condition[] {soFar}));
}
return this;
}
public ConditionBuilder and(Condition... conditions) {
if (soFar == null)
soFar = new And(conditions);
else {
soFar = new And(ArrayUtil.combine(conditions, new Condition[] {soFar}));
}
return this;
}
public ConditionBuilder eq(Condition... conditions) {
if (soFar == null)
soFar = new ConditionEquals(conditions);
else {
soFar = new ConditionEquals(ArrayUtil.combine(conditions, new Condition[] {soFar}));
}
return this;
}
public ConditionBuilder not() {
if (soFar == null)
throw new IllegalStateException("No condition to take the opposite of");
soFar = new Not(soFar);
return this;
}
public Condition build() {
return soFar;
}
}