org.springframework.data.gemfire.config.schema.SchemaObjectDefinition Maven / Gradle / Ivy
/*
* Copyright 2017-2020 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
*
* https://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.springframework.data.gemfire.config.schema;
import static org.springframework.data.gemfire.util.RuntimeExceptionFactory.newIllegalArgumentException;
import java.io.Serializable;
import java.util.Optional;
import org.apache.geode.cache.Region;
import org.apache.geode.cache.query.Index;
import org.springframework.core.Ordered;
import org.springframework.data.gemfire.config.admin.GemfireAdminOperations;
import org.springframework.util.StringUtils;
/**
* {@link SchemaObjectDefinition} is an Abstract Data Type (ADT) encapsulating the definition of a single Apache Geode
* or Pivotal GemFire schema object (e.g. {@link Region} or {@link Index}).
*
* @author John Blum
* @see java.io.Serializable
* @see org.springframework.core.Ordered
* @see org.springframework.data.gemfire.config.schema.SchemaObjectDefiner
* @see org.springframework.data.gemfire.config.schema.SchemaObjectType
* @since 2.0.0
*/
public abstract class SchemaObjectDefinition implements Serializable, Ordered {
private final String name;
/**
* Constructs a new instance of {@link SchemaObjectDefinition} initialized with the specified {@link String name}.
*
* @param name {@link String name} given to the Pivotal GemFire/Apache Geode schema object; must not be {@literal null}.
* @throws IllegalArgumentException if name is not specified.
*/
public SchemaObjectDefinition(String name) {
this.name = Optional.ofNullable(name).filter(StringUtils::hasText)
.orElseThrow(() -> newIllegalArgumentException("Name [%s] is required", name));
}
/**
* Returns the {@link String name} assigned to the schema object.
*
* @return the {@link String name} assigned to the schema object; name is never {@literal null}.
*/
public String getName() {
return this.name;
}
/**
* Returns the {@link SchemaObjectType type} of schema object defined by this {@link SchemaObjectDefinition}.
*
* @return the {@link SchemaObjectType type} of schema object defined by this {@link SchemaObjectDefinition}.
* @see org.springframework.data.gemfire.config.schema.SchemaObjectType
*/
public abstract SchemaObjectType getType();
/**
* Creates an actual schema object from this {@link SchemaObjectDefinition}.
*
* @param gemfireAdminOperations {@link GemfireAdminOperations} used to create an actual schema object from this
* {@link SchemaObjectDefinition}.
* @see org.springframework.data.gemfire.config.admin.GemfireAdminOperations
*/
public void create(GemfireAdminOperations gemfireAdminOperations) {
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof SchemaObjectDefinition)) {
return false;
}
SchemaObjectDefinition that = (SchemaObjectDefinition) obj;
return this.getName().equals(that.getName())
&& this.getType().equals(that.getType());
}
@Override
public int hashCode() {
int hashValue = 17;
hashValue = 37 * hashValue + this.getName().hashCode();
hashValue = 37 * hashValue + this.getType().hashCode();
return hashValue;
}
@Override
public String toString() {
return String.format("%1$s[%2$s]", getType(), getName());
}
}