Java tutorial
package org.protempa.proposition.value; /* * #%L * Protempa Framework * %% * Copyright (C) 2012 - 2015 Emory University * %% * 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. * #L% */ import java.math.BigDecimal; import java.util.Objects; import org.apache.commons.lang3.builder.ToStringBuilder; /** * * @author Andrew Post */ public class NumberValueBuilder implements NumericalValueBuilder { private BigDecimal val; public NumberValueBuilder() { } public NumberValueBuilder(NumberValue numberValue) { this.val = numberValue.getBigDecimal(); } public BigDecimal getVal() { return val; } public void setVal(BigDecimal val) { this.val = val; } @Override public NumberValue build() { return new NumberValue(val); } @Override public int hashCode() { int hash = 7; hash = 97 * hash + Objects.hashCode(this.val); return hash; } @Override public boolean equals(Object obj) { if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final NumberValueBuilder other = (NumberValueBuilder) obj; if (!Objects.equals(this.val, other.val)) { return false; } return true; } @Override public String toString() { return ToStringBuilder.reflectionToString(this); } }