diff options
Diffstat (limited to 'container-compiler-plugin/src/main/java/io/trygvis/persistence/generators')
3 files changed, 239 insertions, 0 deletions
diff --git a/container-compiler-plugin/src/main/java/io/trygvis/persistence/generators/EntityManagerFactoryGenerator.java b/container-compiler-plugin/src/main/java/io/trygvis/persistence/generators/EntityManagerFactoryGenerator.java new file mode 100644 index 0000000..82e69e3 --- /dev/null +++ b/container-compiler-plugin/src/main/java/io/trygvis/persistence/generators/EntityManagerFactoryGenerator.java @@ -0,0 +1,69 @@ +package io.trygvis.persistence.generators; + +import io.trygvis.container.compiler.SqlUnitModel; +import io.trygvis.container.compiler.model.ClassG; +import io.trygvis.container.compiler.model.Constructor; +import io.trygvis.container.compiler.model.FieldRef; +import io.trygvis.container.compiler.model.Imports; +import io.trygvis.container.compiler.model.MethodRef; +import io.trygvis.container.compiler.model.Parameters; +import io.trygvis.container.compiler.model.TypeRef; +import io.trygvis.persistence.EntityMirror; +import io.trygvis.persistence.sql.SqlEntityManagerFactory; +import io.trygvis.persistence.sql.SqlEntityMeta; +import io.trygvis.persistence.sql.SqlUnit; + +import javax.persistence.EntityManager; +import javax.sql.DataSource; +import java.io.IOException; +import java.sql.Connection; +import java.util.ArrayList; +import java.util.List; + +import static io.trygvis.container.compiler.Utils.toClassName; +import static java.lang.reflect.Modifier.*; +import static org.apache.commons.lang.StringUtils.join; + +public class EntityManagerFactoryGenerator { + public static ClassG generateEntityManagerFactory(SqlUnitModel unit) throws IOException { + String prefix = unit.getPackageName() + "." + toClassName(unit.getName()); + TypeRef emfType = new TypeRef(prefix + "EntityManagerFactory"); + + ClassG g = new ClassG(PUBLIC, emfType). + extendsType(SqlEntityManagerFactory.class); + + List<String> s = new ArrayList<>(); + for (EntityMirror entity : unit.getEntities().values()) { + s.add(entity.daoType.plainName + ".desc"); + } + TypeRef sqlEntityMetaArrayType = new TypeRef(SqlEntityMeta[].class); + FieldRef entities = g.addField(PUBLIC | STATIC, sqlEntityMetaArrayType, "entities"). + value("new " + sqlEntityMetaArrayType + "{" + join(s, ", ") + "}"); + + g.add(constructor(entities, g.imports)); + g.add(createEntityManager(unit, g.imports)); + return g; + } + + private static Constructor constructor(FieldRef entities, Imports imports) { + TypeRef dataSourceType = imports.add(DataSource.class); + TypeRef sqlUnitType = imports.add(SqlUnit.class); + Parameters p = new Parameters(); + Parameters.ParameterRef ds = p.addParameter(dataSourceType, "ds"); + ArrayList<String> body = new ArrayList<>(); + body.add("super(new " + sqlUnitType.plainName + "(" + entities.name + "), " + ds.name + ");"); + return new Constructor(p, body); + } + + private static MethodRef createEntityManager(SqlUnitModel unit, Imports imports) { + String prefix = unit.getPackageName() + "." + toClassName(unit.getName()); + TypeRef entityManagerType = imports.add(EntityManager.class); + TypeRef connectionType = imports.add(Connection.class); + TypeRef emType = imports.add(new TypeRef(prefix + "EntityManager")); + + Parameters p = new Parameters(); + Parameters.ParameterRef c = p.addParameter(connectionType, "c"); + return new MethodRef(PROTECTED, entityManagerType, "createEntityManager", p, + "return new " + emType + "(this, " + c.name + ");"); + } +} diff --git a/container-compiler-plugin/src/main/java/io/trygvis/persistence/generators/EntityManagerGenerator.java b/container-compiler-plugin/src/main/java/io/trygvis/persistence/generators/EntityManagerGenerator.java new file mode 100644 index 0000000..f524b1a --- /dev/null +++ b/container-compiler-plugin/src/main/java/io/trygvis/persistence/generators/EntityManagerGenerator.java @@ -0,0 +1,129 @@ +package io.trygvis.persistence.generators; + +import io.trygvis.container.compiler.SqlUnitModel; +import io.trygvis.container.compiler.model.ClassG; +import io.trygvis.container.compiler.model.Constructor; +import io.trygvis.container.compiler.model.FieldRef; +import io.trygvis.container.compiler.model.Imports; +import io.trygvis.container.compiler.model.MethodRef; +import io.trygvis.container.compiler.model.Parameters; +import io.trygvis.container.compiler.model.TypeRef; +import io.trygvis.persistence.EntityMirror; +import io.trygvis.persistence.sql.SqlDao; +import io.trygvis.persistence.sql.SqlEntityManager; +import io.trygvis.persistence.sql.SqlEntityManagerFactory; + +import java.io.IOException; +import java.sql.Connection; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import static io.trygvis.container.compiler.Utils.toClassName; +import static io.trygvis.container.compiler.Utils.toFieldName; +import static io.trygvis.container.compiler.model.Parameters.ParameterRef; +import static java.lang.reflect.Modifier.PUBLIC; + +public class EntityManagerGenerator { + public static ClassG generateEntityManager(SqlUnitModel unit) throws IOException { + String prefix = unit.getPackageName() + "." + toClassName(unit.getName()); + TypeRef emType = new TypeRef(prefix + "EntityManager"); + + ClassG g = new ClassG(PUBLIC, emType). + extendsType(SqlEntityManager.class); + + Map<EntityMirror, FieldRef> daoFields = new HashMap<>(); + for (EntityMirror entity : unit.getEntities().values()) { + daoFields.put(entity, g.addField(entity.daoType, toFieldName(entity.type.className))); + } + + g.add(constructor(unit, g.imports, daoFields)); + g.add(getSqlDao(unit, g.imports, daoFields)); + + return g; + } + + private static Constructor constructor(SqlUnitModel unit, Imports imports, Map<EntityMirror, FieldRef> daoFields) { + Parameters p = new Parameters(); + ParameterRef semf = p.addParameter(imports.add(SqlEntityManagerFactory.class), "emf"); + ParameterRef c = p.addParameter(imports.add(Connection.class), "c"); + List<String> body = new ArrayList<>(); + body.add("super(" + semf.name + ", " + c.name + ");"); + + for (EntityMirror entity : unit.getEntities().values()) { + FieldRef f = daoFields.get(entity); + body.add("this." + f.name + " = new " + entity.daoType.plainName + "(" + c.name + ");"); + } + return new Constructor(p, body); + } + + public static MethodRef getSqlDao(SqlUnitModel unit, Imports imports, Map<EntityMirror, FieldRef> daoFields) { + TypeRef sqlDatoType = imports.add(new TypeRef(SqlDao.class)).args("Id", "T"); + Parameters p = new Parameters(); + TypeRef klassType = new TypeRef(Class.class).args("T"); + ParameterRef klass = p.addParameter(klassType, "klass"); + List<String> body = new ArrayList<>(); + for (EntityMirror entity : unit.getEntities().values()) { + body.add("if (klass == " + entity.type.plainName + ".class) {"); + body.add(" @SuppressWarnings(\"unchecked\")"); + body.add(" SqlDao<Id, T> dao = (SqlDao<Id, T>) " + daoFields.get(entity).name + ";"); + body.add(" return (SqlDao<Id, T>) dao;"); + body.add("}"); + } + body.add("throw new RuntimeException(\"Type is not a part of this persistence unit: \" + klass);"); + return new MethodRef(PUBLIC, sqlDatoType, "getDao", p, body).typeArgs("Id", "T"); + } + + /* + public static ClassG sem(EntityMirror entity) { + ClassG g = new ClassG(PUBLIC, new TypeRef(entity.type.className + "SEM")); + g.implementsType(g.imports.add(new TypeRef(SqlDao.class)).args(entity.idType, entity.type)); + return g. + add(semFind(entity, g.imports)). + add(semPersist(entity, g.imports)). + add(semMerge(entity, g.imports)). + add(semRemove(entity, g.imports)); + } + + public static MethodRef semFind(EntityMirror entity, Imports imports) { + TypeRef type = imports.add(entity.type); + TypeRef sqlException = imports.add(SQLException.class); + Parameters p = new Parameters(); + ParameterRef primaryKey = p.addParameter(new TypeRef(Object.class), "primaryKey"); + List<String> body = new ArrayList<>(); + body.add("throw new " + sqlException.plainName + "(\"Not implemented\");"); + return new MethodRef(PUBLIC, type, "find", p, tryCatchSqlException(imports, body)); + } + + public static MethodRef semPersist(EntityMirror entity, Imports imports) { + TypeRef type = imports.add(entity.type); + TypeRef dao = imports.add(entity.daoType); + Parameters p = new Parameters(); + ParameterRef e = p.addParameter(type, "entity"); + List<String> body = new ArrayList<>(); + body.add(dao.plainName + ".insertInto(currentConnection(), " + e.name + ");"); + return new MethodRef(PUBLIC, VOID, "persist", p, tryCatchSqlException(imports, body)); + } + + public static MethodRef semMerge(EntityMirror entity, Imports imports) { + TypeRef type = imports.add(entity.type); + TypeRef sqlException = imports.add(SQLException.class); + Parameters p = new Parameters(); + ParameterRef e = p.addParameter(type, "entity"); + List<String> body = new ArrayList<>(); + body.add("throw new " + sqlException.plainName + "(\"Not implemented\");"); + return new MethodRef(PUBLIC, type, "merge", p, tryCatchSqlException(imports, body)); + } + + public static MethodRef semRemove(EntityMirror entity, Imports imports) { + TypeRef type = imports.add(entity.type); + TypeRef sqlException = imports.add(SQLException.class); + Parameters p = new Parameters(); + ParameterRef e = p.addParameter(type, "entity"); + List<String> body = new ArrayList<>(); + body.add("throw new " + sqlException.plainName + "(\"Not implemented\");"); + return new MethodRef(PUBLIC, VOID, "remove", p, tryCatchSqlException(imports, body)); + } + */ +} diff --git a/container-compiler-plugin/src/main/java/io/trygvis/persistence/generators/SequencesGenerator.java b/container-compiler-plugin/src/main/java/io/trygvis/persistence/generators/SequencesGenerator.java new file mode 100644 index 0000000..07823af --- /dev/null +++ b/container-compiler-plugin/src/main/java/io/trygvis/persistence/generators/SequencesGenerator.java @@ -0,0 +1,41 @@ +package io.trygvis.persistence.generators; + +import io.trygvis.container.compiler.SqlUnitModel; +import io.trygvis.container.compiler.model.ClassG; +import io.trygvis.container.compiler.model.FieldRef; +import io.trygvis.container.compiler.model.TypeRef; +import io.trygvis.persistence.SequenceMirror; + +import java.util.ArrayList; +import java.util.List; + +import static io.trygvis.container.compiler.Utils.toJavaString; +import static java.lang.reflect.Modifier.PUBLIC; +import static org.apache.commons.lang.StringUtils.capitalize; +import static org.apache.commons.lang.StringUtils.join; + +public class SequencesGenerator { + public static ClassG generateSequences(SqlUnitModel unit) { + TypeRef sequences = new TypeRef(unit.getPackageName() + ".Sequences"); + ClassG g = new ClassG(PUBLIC, sequences); + List<String> creates = new ArrayList<>(); + List<String> drops = new ArrayList<>(); + for (SequenceMirror sequence : unit.getSequences().values()) { + TypeRef stringType = g.imports.add(String.class); + String value = "CREATE SEQUENCE " + sequence.sequenceName + ";"; + FieldRef f = g.addPublicStaticFinalField(stringType, "create" + capitalize(sequence.name)). + value(toJavaString(value)); + creates.add(f.name); + + f = g.addPublicStaticFinalField(stringType, "drop" + capitalize(sequence.name)). + value(toJavaString("DROP SEQUENCE " + sequence.sequenceName) + ";"); + drops.add(f.name); + + } + g.addPublicStaticFinalField(new TypeRef(String[].class), "createSequences"). + value("new String[]{" + join(creates, ", ") + "}"); + g.addPublicStaticFinalField(new TypeRef(String[].class), "dropSequences"). + value("new String[]{" + join(drops, ", ") + "}"); + return g; + } +} |