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Cassandra support for Spring Data
/*
* Copyright 2013-2022 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.cassandra.core.mapping;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.ObjectUtils;
/**
* Mapping information for an individual entity class.
*
* @author Matthew T. Adams
* @author John Blum
*/
public class EntityMapping {
/**
* The {@link PropertyMapping}s for each persistent property, keyed on property name.
*/
private Map propertyMappings = Collections.emptyMap();
/**
* The name of the entity's class.
*/
private @Nullable String entityClassName;
/**
* Whether to force the table name to be quoted.
*
* @deprecated since 3.0. The table name gets converted into {@link com.datastax.oss.driver.api.core.CqlIdentifier}
* hence it no longer requires an indication whether the name should be quoted.
*/
private @Deprecated String forceQuote = "false";
/**
* The name of the table to which the entity is mapped.
*/
private String tableName = "";
public EntityMapping(String entityClassName, String tableName) {
this(entityClassName, tableName, Boolean.FALSE.toString());
}
public EntityMapping(String entityClassName, String tableName, String forceQuote) {
setEntityClassName(entityClassName);
setTableName(tableName);
setForceQuote(forceQuote);
}
@Nullable
public String getEntityClassName() {
return this.entityClassName;
}
public void setEntityClassName(String entityClassName) {
Assert.hasText(entityClassName, "Entity class name must not be null or empty");
this.entityClassName = entityClassName;
}
/**
* @return
* @deprecated since 3.0. The type name gets converted into {@link com.datastax.oss.driver.api.core.CqlIdentifier}
* hence it no longer requires an indication whether the name should be quoted.
*/
@Deprecated
public String getForceQuote() {
return this.forceQuote;
}
@Deprecated
public void setForceQuote(String forceQuote) {
Assert.notNull(forceQuote, "Force quote must not be null or empty");
this.forceQuote = forceQuote;
}
public Map getPropertyMappings() {
return Collections.unmodifiableMap(this.propertyMappings);
}
public void setPropertyMappings(@Nullable Map propertyMappings) {
this.propertyMappings = propertyMappings != null ? new HashMap<>(propertyMappings) : Collections.emptyMap();
}
public String getTableName() {
return this.tableName;
}
public void setTableName(String tableName) {
Assert.notNull(tableName, "Table name must not be null or empty");
this.tableName = tableName;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof EntityMapping)) {
return false;
}
EntityMapping that = (EntityMapping) obj;
return ObjectUtils.nullSafeEquals(this.getEntityClassName(), that.getEntityClassName())
&& ObjectUtils.nullSafeEquals(this.getForceQuote(), that.getForceQuote())
&& ObjectUtils.nullSafeEquals(this.getTableName(), that.getTableName());
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
int hashValue = 17;
hashValue = 37 * hashValue + ObjectUtils.nullSafeHashCode(this.getEntityClassName());
hashValue = 37 * hashValue + ObjectUtils.nullSafeHashCode(this.getForceQuote());
hashValue = 37 * hashValue + ObjectUtils.nullSafeHashCode(this.getTableName());
return hashValue;
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return String.format(
"{ @type = %1$s, entityClassName = %2$s, tableName = %3$s, forceQuote = %4$s, propertyMappings = %5$s }",
getClass().getName(), getEntityClassName(), getTableName(), getForceQuote(), toString(getPropertyMappings()));
}
private String toString(Map map) {
StringBuilder builder = new StringBuilder("[");
int count = 0;
for (Map.Entry entry : map.entrySet()) {
builder.append(++count > 1 ? ", " : "");
builder.append(String.format("%1$s = %2$s", entry.getKey(), entry.getValue()));
}
return builder.toString();
}
}