org.mybatis.dynamic.sql.util.FragmentAndParameters Maven / Gradle / Ivy
/**
* Copyright 2016-2018 the original author or authors.
*
* 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.mybatis.dynamic.sql.util;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
public class FragmentAndParameters {
private String fragment;
private Map parameters;
private FragmentAndParameters(Builder builder) {
fragment = Objects.requireNonNull(builder.fragment);
parameters = Objects.requireNonNull(builder.parameters);
}
public String fragment() {
return fragment;
}
public Map parameters() {
return parameters;
}
public FragmentAndParameters prependFragment(String s) {
return FragmentAndParameters.withFragment(s + " " + fragment) //$NON-NLS-1$
.withParameters(parameters)
.build();
}
public static Builder withFragment(String fragment) {
return new Builder().withFragment(fragment);
}
public static class Builder {
private String fragment;
private Map parameters = new HashMap<>();
public Builder withFragment(String fragment) {
this.fragment = fragment;
return this;
}
public Builder withParameter(String key, Object value) {
parameters.put(key, value);
return this;
}
public Builder withParameters(Map parameters) {
this.parameters.putAll(parameters);
return this;
}
public FragmentAndParameters build() {
return new FragmentAndParameters(this);
}
public Optional buildOptional() {
return Optional.of(build());
}
}
}