83 lines
2.6 KiB
Java
83 lines
2.6 KiB
Java
/**
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* Copyright (C) 2007 - 2016 52°North Initiative for Geospatial Open Source
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* Software GmbH
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.n52.wps.algorithm.descriptor;
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import com.google.common.base.Preconditions;
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import java.math.BigInteger;
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import org.n52.wps.io.data.IData;
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/**
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*
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* @author tkunicki
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*/
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public abstract class InputDescriptor<T extends Class<? extends IData>> extends BoundDescriptor<T> {
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private final BigInteger minOccurs;
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private final BigInteger maxOccurs;
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protected InputDescriptor(Builder<? extends Builder<?,T>, T> builder) {
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super(builder);
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this.minOccurs = builder.minOccurs;
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this.maxOccurs = builder.maxOccurs;
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Preconditions.checkState(maxOccurs.longValue() >= minOccurs.longValue(), "maxOccurs must be >= minOccurs");
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}
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public BigInteger getMinOccurs() {
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return minOccurs;
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}
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public BigInteger getMaxOccurs() {
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return maxOccurs;
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}
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public static abstract class Builder<B extends Builder<B,T>, T extends Class<? extends IData>> extends BoundDescriptor.Builder<B,T>{
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private BigInteger minOccurs = BigInteger.ONE;
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private BigInteger maxOccurs = BigInteger.ONE;
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protected Builder(String identifier, T binding) {
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super(identifier, binding);
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}
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public B minOccurs(int minOccurs) {
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return minOccurs(BigInteger.valueOf(minOccurs));
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}
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public B minOccurs(BigInteger minOccurs) {
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Preconditions.checkArgument(minOccurs.longValue() >= 0, "minOccurs must be >= 0");
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this.minOccurs = minOccurs;
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return self();
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}
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public B maxOccurs(int maxOccurs) {
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return maxOccurs(BigInteger.valueOf(maxOccurs));
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}
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public B maxOccurs(BigInteger maxOccurs) {
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Preconditions.checkArgument(maxOccurs.longValue() > 0, "maxOccurs must be > 0");
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this.maxOccurs = maxOccurs;
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return self();
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}
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public <E extends Enum<E>> B maxOccurs(Class<E> enumType) {
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return maxOccurs(enumType.getEnumConstants().length);
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}
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public abstract InputDescriptor<T> build();
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}
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}
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